Committing a Crime in the name of Bonsai Art.

I was confronted with this Mugo Pine and had no idea what to do with it. The two bar branches at the bottom is ugly and the two arms going up from there does not lean itself to any of the Bonsai styles that I know of.

After many days, weeks and months of staring at it from different angles, I one day was working on a small Japanese White Pine that is planted in a crescent shaped pot and a new idea came to me. To do this, many Bonsai “rules” must be broken and the tree put at risk due to a lot of material being removed. This is a calculated risk. More about that later. Here is the culprit in all its former glory.

What to do with it?

The decision was made to remove the one thick branch on the one side and create a two inch long Jin out of it.

The Jin on the right.

Then the other branch was stripped and Jinned as well.

One short Jin and one long Jin.

This longer Jin is now wired up and bent in the shape of a crescent, the same as what a crescent shaped pot would look like.

Now the only branch that is left is shaped to represent an informal upright style Bonsai tree with a loop in what is now the trunk to get the height correct.

The end product for now.

Aftercare and the future: the tree will now be placed in a sheltered spot and remain there for at least a year. Fertilisation, watering, checking on the wire and weeding is the most excitement this tree will see for a long time. When the time is right, the wire will be removed and the Jin will be further developed. That will just be some detail work, inclusive of using fine carving tools, torching it and lime sulphur treatment. The tree will also go into a Bonsai pot once the growth is strong.

I mentioned taking calculated risks earlier. It really comes down to mitigating the risks by thinking through each risk and finding a way to minimise the risk. These include not potting anytime soon which means no root work at this time, sealing all the wounds and keeping the tree out of wind and harsh sunlight. Extensive wiring took place and this is mitigated by placing guy wires in places to support the harder wiring as to take some of the load off. Guy wires are attached to the wire on the branches / Jin and not on the branches itself. Now, let’s pray.

The shorter Jin that will undergo further development.

Guy Wires for Old Bonsai Maples

Someone recently asked about the use of guy wires in Bonsai. I find that guy wires are particularly useful when used on older Maple trees.

The branches are very brittle and not flexible at all (the older ones). The tree in the photos is a prime examples of this. Two branches were lost over the last few years trying to set the branches with wire directly applied to the branches. The first photo below has a little stump just under the wire (middle) where one of these branches, which just happened to be critical in filling the back of the tree, broke while bending.

I apply a guy wire if I need to pull a branch down or sideways on these brittle branches. A screw is placed at the bottom of the trunk, preferably under soil level or as close as possible to it. The hole left once removed will close quickly.

The important thing is to set or twist the wire over time. The tree in the photos had two turns per day over five days to get the branch where it is suppose to be.

It is important to use some sort of protection on Maple branches as a naked wire will cut in. There is an article at http://www.bonsaiplace.net that has more details on the use of guy wires.

Wire on, wire off.

It is always exciting for me to apply wire to a tree and I feel the same excitement unwiring a tree. Applying wire is part of the creative process. You wire and you place the branches in place and when done, you can stand back and admire the design. Removing the wire for me brings the same excitement in that once the wire is off, two emotions are detected. One is happiness that you managed to remove the wire in time with no nasty wire bite marks on the branches. The second emotion is about the same as seeing an infant take the first steps on his or her own or seeing your puppy successfully toilet trained. Your tree is now on its own, with no help from wires to keep its shape. It is resembling something more advanced from the time that you applied the wire. It is another step towards maturity as a Bonsai tree.

Wire off.

How do you do this job? Some people cut the wire in short bits and others uncoil it from the branches. I do both. Usually thicker wire gets cut and thinner wire gets uncoiled from the branches. It also depends on the size of the tree for me in that I prefer to use my fingers on smaller trees as my wire cutter is quite bulky, but perfect to use on the thicker wire where the chances of damaging bark is greater. Using the cutter is just easier, especially on Copper wire. Aluminium is softer and much more pliable which makes for safer removal of the wire. And that brings us to a very important point. Safety and the health of the tree always comes first. If you cannot remove the wire safely by hand and the uncoiling method, the appropriate tool should be used. Never compromise on the health of a tree.

I also usually start with all the thinner wire first. In other words, the reverse order of which the wire was applied in. My technique is to set the thicker branches first, therefor using thicker wire and from there use thinner wire as the branches taper out to the thinnest ones. Starting with the thinner ones also means working from the outside in and avoiding the odd wire that naughtily crossed a thicker wire in its pursuit to support the tree. Yes, it does include some planning on order of work and technique to be used. I also usually start at the bottom of the tree and work my way up, one branch at a time. That will minimise the chance of missing a wire somewhere and then discovering it a few weeks later, by then causing damage to the branch where it was missed.

Do you re-use uncoiled wire? I do, especially for students to practice their wiring technique. To do this, it is best to get all the bends out of the wire first. I use a smooth steel pipe that is fixed on both ends and then all you have to do is take the ends of the wire around the pipe in each hand and pull it across the pipe a couple of times and it is as straight as new wire again.

Unwiring is part of the process. Do it mindfully and your tree will reward you not just with its aesthetic appeal, but also with good health and a feel good emotion of accomplishing something worthwhile.

Feel free to comment on how you approach this task and any tips that will make the job easier.

Structural Work on Bonsai

Winter provides good opportunities to do structural work on deciduous Bonsai trees. Sap flow is low, no leaves means you can see what you are doing and wiring can set branches before Spring growth starts.

The tree in all its Winter glory.

This Cherry tree was collected about a year ago and was just a trunk, in this case a triple trunk at collection. The original tree was about four metres high and in a forrest which means it was quite lanky with no branches towards the bottom. One year later and it has put on a lot of new growth and the fine root development is spectacular.

It has three quite large scars on the end of each trunk and then also a very big one on a chopped root. The middle trunk is dead and has been at collection already. This trunk was rotten and easy to just break to shorten it. As the root scar was going to be large, it was decided to have that at the back.

The large root had to be removed.

Once the front was established, extra branches were removed and a few at the top were shortened. All branches crossing the main trunks or too low down on the trunks were removed. The same happened where two new branches grew from the same place or they were just too close to each other. A few branches were in a 50/50 situation and these were left for now to be decided on later. Always start by removing large parts first. In this case it was mainly the root which was removed with a reciprocal saw and then the larger bit on the die grinder was used to set the first grooves by also creating some taper. This was then followed up by ever decreasing sizes of bits and once everything was carved, a wire brush and then a nylon brush was used to clean and polish the carvings. By polish I mean brushing vigorously to remove fine threads and fibres left over from the carving. I usually use a blow torch to help with this action, but in this case it was decided to not use the torch.

Once this phase was completed, the carving started. This was a three hour operation using different sized carving bits with both a Dremel 4000 as well as a trusty old die grinder.

The last step was now to apply wire and set the branches. A few more branches were removed and it was also decided to plant the tree on an angle leaning forward a bit more once Spring sets in. This will be a naturalistic looking tree with a large and rounded top with the shorter trunk carrying the lower branches on the left hand side. There are still a couple of branches that will probably be removed, but that will come later depending on further development. An example of this are the two branches that looks as if they are coming of the front of the main trunk about a third from the top.

Now it will rest and as soon as the buds swell a fertilisation program will start and a sharp eye be kept on the wire as it will cut in quickly as the tree grows. Watch this space for updates.

Branches wired and set.
Video of tree after after carving.

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Update on Gardenia Bonsai

Gardenia flower

On 28 February 2021, I posted a blog article named “Off the back of a truck”. https://bonsaiplace.net/2021/02/28/off-the-back-of-a-truck/

In that article I speculated about the specie of plant and my guess was correct as it is indeed a Gardenia. It flowered not too long ago, only one flower, but between that and the glassy leaves, the identification is now locked in.

The photos below are of the plant when I found it on the back of a truck on its way to be dumped as well as a photo when it was potted up on that day.

This is now just more than fifteen months later and the photo below shows the growth since the first planting and as mentioned, there was also a flower during the last summer.

The tree has been fertilised regularly, mainly with a liquid seaweed type of fertiliser, but other than that, mainly left alone with a regular watering regime. It is now time to do a bit of thinning of the branches, light wiring where necessary and inspection and a bit of work on the pruning cuts.

There are two things to consider now. The one is to change the angle as shown in the picture below and to even tilt it even more in the direction shown.

The second one is to remove the thinner, lower branch on the right. That might even be done sooner rather than later.

In summary. This is the start and where we are today.

Now it goes back to the bench and another year of watering, fertiliser and providing optimum growing conditions for this tree to thrive.

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From Garden Plant to Bonsai

I am always on the lookout for new material and prefer to work with material that has accumulated some age and character through being garden plants or from nature during the first phase of their lives. Sometimes they come for free and sometimes you have to pay. These two Azalea plants were advertised for free and just needed to be dug out. That took two minutes as these are shallow rooted plants.

Freshly dug Azaleas and the first step is to remove all dead branches and then also to remove most of the garden soil. It is better to remove all old soil, but in some cases it is ok to leave some of the garden soil depending on the season. You do not always have a choice when the plants become available and then you have to make informed decisions about how far you can go, especially when it comes to root work.

These two were potted up and we also managed to get seven smaller plants off the larger clump. Needless to say, these two are clump style and will be grown and refined over the next few years as such.

Aftercare is the most important aspect when it comes to doing work on plants out of the optimum season. Watering is a big part of this and after I have watered the plants in, I always water with a nutrient rich tonic and fertiliser and prefer liquid ones. My go to preference is Swift Grow due to the fact that it is organic, contains all needed nutrients and very important for me, the right probiotics to get the roots off to a great start.

The Movie

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Bonsai: Summer Maintenance

With no national shows in Spring and very little club activity due to Covid-related restrictions this year, it gave the opportunity to allow trees to just grow, recover and gain some vigour. Or is it just laziness or procrastination that allowed for some of my trees to get out of hand, especially in the weed growing department. With a bit more time on my hands due to the summer break, it is time to get some control back.

Before on left and after basic maintenance work on the right. This is a Privet (Ligustrum).

My normal way of working is to start at the bottom and this case was no different. I ignored the weeds for now and first took all the dead little twigs out. In the process of doing this, I discovered a solo paper wasp nest and had to remove the culprit and the start of the nest first.

Wasp nest.

Next job was to take all unwanted growth out. This included spent flowers, crossing branches, branches going against the flow, branches and twigs growing up or down. This created a more natural pad shape and with the trunk now more open, it was decided to turn the tree very slightly to the right. That means repotting and in the middle of summer, not such a great idea. This tree species is treated as a weed in New Zealand due to its indestructible nature, spread all over the place and pushing native species out. In other words, it is quite hardy.

The tree was taken out of the pot, some old soil was raked out, but no roots were cut. This took care of the weed problem as well. Back in the pot with some fresh soil and also the slight twist. It is now well-watered and in the shade for a few days before it goes back on the bench.

Weeds: As Bonsai grow in relatively small pots and the soil medium is quite porous, you do not want weeds in your soil competing for the same food source. It is better to keep an eye on this and remove weeds as soon as they appear. Not only will you have more nutrients available for the tree, but by removing weeds while small, you also do not disturb the tree roots when you have to remove larger weeds.

In summary for summer maintenance:

  • Remove all dead and sick leaves, twigs and branches.
  • Seal all big cuts.
  • Remove pests.
  • Clip to shape and where necessary apply light wiring.
  • Remove all weeds from the soil and pot.
  • Only work on the root ball if it is not invasive work and you have the ability to provide exemplary aftercare. Do not cut roots at this time of year.
  • Water and keep in a sheltered position.
  • Apply liquid fertiliser or tonic and then follow up with a slow release granular fertiliser. I use Seasol and then a well-balanced fertiliser as Summer progresses into Autumn. I also use Rhizotonic when available.
  • Fro Northern hemisphere readers, please take note that these trees live in the Southern Hemisphere (New Zealand).

Bonsai Culture, Styles and Isms.

Let’s drop the cat in the middle of the pigeons by saying that most art forms have specific styles or movements that are easily recognisable through look, technique or application. This article is just one of many having a good go at describing different painting styles (https://indonesiadesign.com/story/major-art-painting-styles). These include styles like Realism, Impressionism, Expressionism and many others. The artist themselves can in a lot of cases be identified by just looking at their work. Bonsai does not have that and there the cat goes.

How does this relate to Bonsai? Most Bonsai artists will be able to explain the difference between Bonsai and Penjing (see Zhao Qingquan’s work) and then there is also the nuggets of wisdom wanting to explain Niwaki as an art form, and we will rather stay away from saying too much about Topiary (just joking). Then there is also Kenji Kobayashi describing Keshiki Bonsai and many other attempts at identifying styles.

A book of great value is that of Charles Ceronio, Bonsai styles of the world (2015) in which he describes the structural styles of Bonsai design. What I am getting to here is to see if we can identify styles like it is done with paintings as mentioned in the first paragraph. There are attempts made by some artists to add to this knowledge and an example of this could be Walter Pall talking about the Naturalistic style. Is that even a thing? Taking a hedge trimmer to a Bonsai and giving it a name is probably not the best of attempts to give a style a name.

Pierneef style recognisable as from Africa.

It is quite clear that there are many easily recognisable trees or even collections of trees that can be attributed to specific Bonsai artists. Goshin would be a good example of this. I can also think of some of Masahiko Kimura’s trees as easily identifiable. Is that true for many of the current big or trendy names that we currently have in Bonsai? Can you pick a Bjorholm, a Noelanders, a Neil, a Pall out of a line up of trees?

Then there is also a debate going around on specific regional styles. Is their a European style or an American style? What we do see is that artists use native trees from specific areas and do a wonderful job with those trees, but at the end of the day, these trees still relate back to the basic design styles of Bonsai and not necessarily an artist or a region or a philosophical style. The one exception will be that of Literati. Is that the only design style that can be linked to a time period or a movement?

Where to with this argument? Probably nowhere and does it really matter. We have the basic design styles in Bonsai and many derivatives from that, we have individual expression in each tree and if that is recognisable as the work from a specific artist, great. Do we need to link it to the “isms” that we find in other art forms? So far it has been restricted for Bonsai or maybe it is just case of it not being necessary for the Bonsai world. Or is it? Is this the missing bit for Bonsai to be recognised as a true art form? Maybe we can just enjoy Bonsai for what it is and not overcomplicate matters by trying to find its place in mainstream art forms. It could be that it is so far removed from other art forms that the vocabulary needed to describe it is very different. Maybe the vocabulary must still be worked out?

Whatever it is, it is art, a living art. It is an art form that humans use to express themselves within what nature provides to do so. It could be that it is too free to put in a box and put “ism” at the end of the name of the box.

Carving on Bonsai: Sculpture

A previous blog post addressed sculpture as an art form and how it relates to Bonsai (https://bonsaiplace.net/2021/03/28/bonsai-as-sculpture-an-art-form/). This blog post will take an more practical approach by making use of photos to describe the process.

The start.

Carving is usually done to create or enhance jin, uro (holes), shari (stripped bark) or getting rid of areas where large branches were removed. In this case a large branch, about one inch thickness, had to be removed and it was decided to leave a 15cm piece of it and sculpt a jin (deadwood) out of it.

I use a die grinder with a carving bit to remove material fast and to roughly shape the dead straight branch by making grooves in curves and alternating the depth of the grooves. Once this is done I burn the jin to get rid of wood fibres and then repeat the process with the trusted Dremel and a smaller carving bit.

As mentioned, burning the jin with a butane torch gets rid of the loose fibres, but it also helps to get rid of sharp edges and tool marks. After a heavy torching, the jin is brushed with a copper brush and then with a nylon brush. Sand paper can be used to smooth areas that needs it, but I find that the brushing works well on its own.

To preserve the newly carved jin, I wash the whole tree off and then let it dry and rest for a few days. Lime sulphur or a wood hardener can then be applied. For a darker finish, mix some ash (burnt paper) in water and paint on. Some of the grooves can also be painted by making use of black ink. All fluids should be diluted. Lime sulphur is usually diluted with water 50/50%.

Safety aspects:

  • Wear safety glasses during the carving phase.
  • Use gloves when using the power tools.
  • When using the torch, protect the rest of the tree from the flame by using aluminium foil or a wet cloth around foliage and nearby parts.

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Pohutukawa as Bonsai

In November 2015, the very early days of this blog site, I wrote about Metrosideros excelsa or Pohutukawa as Bonsai and included a few photos of these magnificent trees in nature. This tree is also known as the New Zealand Christmas tree. The link to that blog post is here.

https://bonsaiplace.net/2015/11/29/pohutukawa-as-bonsai/

For this blog post I will style a Pohutukawa as a Bonsai. As can be seen from the photos in the linked post, these trees very naturally present as multi trunks with great root structures and the very prominent aerial roots. it is this root structure and especially the aerial roots that make these trees ideal for root over rock designs. This tree will not be a full root over rock, but a rock will be placed next to it with roots growing over the rock.

This plant was grown from a cutting for a few years and these photos clearly show that these trees are basal dominant. It basically means that it will keep on growing new shoots from the base compared to tree which are apical dominant where the new growth is at the top of the tree.

Close up of the multiple shoots growing from the base as well as visible aerial roots.

As can be seen from the photos above, the first step is to search for roots and in this case roots in the soil and not the aerial roots. I find it better to remove the top edge of the plastic bag and sometimes remove the bag or pot completely. The presence and position of roots, especially radial roots will help to determine the orientation of the tree. In other words, the front of the tree and the first ideas of what the design could look like. In this case quite prominent roots were found and spread around the tree which means we can now look at the above ground structure as the placement of the roots allow us to look at multiple design options.

The next step is to remove all unwanted growth. To stay more or less true to the natural growth pattern Pohutukawa, the decision was made to design a multi trunk tree with three trunks. Really only two, but the thickest trunk has a fork which visually looks like two trunks. All three trunks have different diameters which makes it visibly more pleasing. All inward growing branches are removed and decisions are made about the three trunks. This includes things like direction, placement and length. As the three main trunks did not grow naturally in the directions needed and the centre trunk needed to be compacted, wire was applied.

A lot of branches and foliage were removed. some of these will be propagated as cuttings.

Wire was applied to bend the branches and also change the direction of the branches.
The pot is prepared.

The final product with a rock added to add visual weight on the right hand side and also allow a backdrop or prop for some of the aerial roots to grow over.

It is important that Bonsai trees are three dimensional. The best way to check that is to view the tree from above. Visual depth adds to the aesthetics and overall view of the tree.

As for all trees, the aftercare is now of the utmost importance. As the pot is not that shallow, not many roots were removed, but the tree will still be kept in a protected spot, out of the wind and cold temperatures. Watering is now also important as well as sun exposure. Just damp, not wet and limited afternoon sun is what is now needed for the further development of this tree.

Horticultural Processes and Bonsai: Transpiration

Have you ever wondered how water travels from the soil into the roots and then up the stem to the leaves? Well, here we go. The process is called transpiration and starts in the roots through a process called osmosis. This is the movement of water across a membrane from an area of higher pressure to an area of lower pressure.

Now I am going to confuse you completely. I already said that it starts in the roots, but the condition for the process to happen actually starts in the leaves. As the water accumulates in the leaves, the internal volume of the leaves now have a higher pressure internally compared to the atmospheric air. That means that the water leaves the leaves through a structure called a stoma. There are hundreds of these on the leaves and they can open and close depending on the plant’s water needs and the climate on the outside. Almost like little valves.

Transpiration

Osmosis

Now we have the picture on both ends of the tree. The water flows in through the roots due to water pressure in the soil, it moves up a bit in the tubes (xylem) as these are very thin and act like thin straws. Have you ever noticed how when you place a straw in water how the water level in the thinner straw is higher than the level in the water. That is called capillary pressure.

What now happens is all of these work together. The water is pushed into the roots, the narrowness of the tubes give it a bit of a head start and then the pull from the leaves draws it further up the stem or trunk and the flow happens. This can happen as fast or as slow as the conditions dictate. If everything is perfect, a continuous flow will happen, but as soon as something changes, the tree will adapt. Let’s say there is not enough water in the soil for the osmosis to take place. In other words the pressure is not high enough for the water to enter the roots through the different membranes, well, water will not be taken up and the tree will dry out.

At the other end things can go horribly wrong as well. Let’s say it is a very hot day and a dry warm wind is blowing. That means the pressure on the outside of the leaf is very low and if there is any water inside the leaf, this steep difference will cause water to evaporate or transpire through the stomata and if this happens rapidly and the cells lose their turgidity (pressure), it will wilt and lose structure. If this happens for too long, it is possible that the plant will dry out and leave this earth for Bonsai tree heaven.

Before we get to the practical things to do and look out for, it is important to remember that water travelling through a plant will contain minerals and other chemicals that it absorbs from the soil. It therefore plays a very important role in the distribution of these minerals throughout the tree.

The practical things:

  • Watering is a very important part of keeping Bonsai and comes down to a balancing act to ensure that optimal conditions exist for the processes as described above to take place.
  • Make sure that your trees are placed in an environment that suits the watering needs of the tree. Plants with thin leaves that can dry out easily i.e., Maples and should be kept out of harsh sun and dry windy conditions.
  • Trees with smaller leaves or even needles (Pines) can withstand this a bit more as they have less stomata and a thick waxy cuticle that covers the leaf or needle to minimise the area exposed to sun and wind and therefore slow transpiration down.
  • Get to know the water requirements of your trees and if possible group trees with similar water requirements together.
  • Check the drainage of your trees regularly. This starts with ensuring that the potting medium / soil is correct for the type of plant. Plants that thrive in drier conditions will have to be planted in a coarser and free draining medium.
  • When watering, water from the top over the whole tree as it washes dirt off the leaves to enhance transpiration as well as photosynthesis. It also cools the plant down so not to lose too much water.
  • If the soil is too wet, root rot can occur. This is not necessarily due to something going wrong with transpiration, but more a case of the roots not being able to breathe. Yes, they have to breathe as roots consists of living cells and through the process of respiration, need to take in oxygen. More on this in the next article in this series. It is also a perfect living condition for fungus that causes root rot.
  • Other techniques to ensure the soil does not get too wet is to tilt the pot during long periods of rain for water to run off. You can also push a rod through the drainage holes through to the top to create a channel for water to run through. These are drastic measures only to be used in circumstances where you need to get rid of water quickly.
  • Soil can dry out very quickly in a small Bonsai pot. When you get to a situation where the soil is so dry that water on top just runs off the surface, break the surface up a bit and dunk the whole pot in a container of water. Wait until all air bubbles disappear and place it back on the bench.
  • Another thing to look out for is when the roots grow so fast that it basically replaces the soil in the pot and all you have in the pot is a ball of roots. It is difficult for the plant to absorb water under these circumstances. Prevention is better than the cure. Repot with fresh soil when necessary and treat your trees as if they are pets.
  • When pruning, cover the cuts with cut paste or something similar as you create a wound and in the context of this article, a leak. Plug the plumbing to support the flow of water through the tree.

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Bonsai – Good comes from bad.

One thing that is for certain when it comes to Bonsai as an art form is that it is never static due to horticultural and climatic influences. Then we have to throw pests, disease and the odd mishap into the equation as well. This little Thuja did meet up with a bug or two one night and the Thuja came of second best. Yes, whatever it was, ringbarked one of the branches and the first sign was that one branch changed colour. Obviously unhappy and on its way to Bonsai afterlife. What to do?

Change direction and from an informal upright change character to start the next phase of its life as a wannabe literati tree. The on its way to death branch comes off and becomes a jin.

Next step is to wire the trunk to the top, give it a bit of a change of direction and reduce the foliage as with the potting comes a reduction in root mass.

The tree is healthy otherwise and with good aftercare will grow into its new life and again stand tall as a proud Bonsai somewhere in the future.

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Garden trees to Bonsai

Let’s get one thing out of the way first. The term Yamadori refers to a tree lifted from the wild where it has spent many years, showing good age with features that will make a great Bonsai. When a tree is lifted from a garden or from any other place for that matter it is not a Yamadori, not even an Urban Yamadori as some people refer to it. Yamadori in my mind is for one thing and one thing only.

I have recently seen a photo of a very nice Magnolia Bonsai tree and wanted to try my hand at one. As luck would have it, a garden tree that was to be removed was advertised in my area and I jumped at the opportunity.

What we have here is a garden plant that has been grown as an ornamental plant in a garden bed. It is a Michelia figo or a Port wine Magnolia. It had to be removed as the owners were in the process of remodelling this garden area.

The original “plant”.

Great was my surprise when I parted some of the branches and discovered that it is actually three trees. It is important to make sure that there are no irrigation or other hidden water or electricity services going close to or underneath the digging area. The first job is to reduce the branches and foliage to get closer to the trunk and this will also help with survival as the branch and leaf mass needs to balance the root mass. Through the digging process and also the potting process, the root mass will also be reduced. And then the digging starts.

Branch and leaf mass reduced.

This was an easy dig as there are no tap roots and especially the two in the back were in quite dry loamy soil and they came out with just a spade length pushed into the soil about thirty centimetres from the trunk and circled around each plant.

The Three Musketeers.

It is important to leave the site in a tidy state and in this case I also removed the green waste for the owners. Each tree received a good spray of medicine water. Medicine water for me is just a weak solution of a marine-based or algae-based tonic across all parts of the tree. Now it is homeward bound.

The best advice is to have the planting containers ready before you go, but probably not so practical as you never know how big the root ball will be. in this case I used plastic planting pots, deeper than what a Bonsai pot will be, but this is to allow space for finer root development.

Good drainage is essential.

The first thing I do is to work through the roots. Remove all of the old garden soil and in this case some fat earthworks as well. Next is to remove very thick roots and reducing the depth of the root ball. Leave enough finer roots to feed the tree. I also apply rooting hormone powder to the cut roots and sprinkle a bit over all roots. Depending on the species, but more importantly, the state of the roots, I also apply sphagnum moss to the cut roots at this stage. In this case I did not as there were enough roots and they were healthy.

Next up is to find a possible front of the tree by finding the widest part of the nebari and lining this up with the best flow that the branch structure allows. This is also the time to now reduce or shorten the branches to fit this vision of what the future tree could like like in five to seven years. At this stage I do not remove all branches to limit the tree to just one or two styles or designs. In all three cases it is possible to highly likely that the main trunks will be shortened over time. as the pots are round there is no need to worry too much at this stage about the front of the tree for planting purposes. Just focus on what might be needed for future development.

Now for the planting. Good drainage is essential. The soil that I use for this type of planting is a 1:1 ratio of pumice and compost. These are broadleaf trees and will grow relatively unchecked over the next year or two. They will all be heavily fertilised as soon as new growth comes out. The compost base helps with this and the pumice provides the necessary drainage.

The soil is heaped up in a dome shape inside the containers, the tree is pushed down and wiggled into the soil, tied in with wire and then filled up to the top level. I use my fingers and then a rounded dowel to work the soil in-between the roots. All that is left now is to water the trees and to let them rest until spring when the feeding will start.

Updates will follow as these trees develop. I usually tend to keep one if I have multiples from the same type and sell the others. That just means that updates at times is on just one or two of the trees as the others might be making someone else very happy.

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Bonsai Branch selection 101

Have you noticed how most answers to Bonsai related questions starts with “It depends”. The main reason for this is that we are working with a living organism and it is very rare for generalisations to be applied across all trees. The list below are guidelines to use, especially when styling a new or starter Bonsai tree and applies very much to the more classical Bonsai styles. There will always be exceptions, but here goes.

Branches within the lower one third of the tree. These branches should generally be removed as it helps to show the trunk line. It will expose the nebari and allow a clear view of the bottom part of the trunk where hopefully is some great interest. This can be either well-developed bark, interesting roots or some type of movement lower down in the trunk. There is an exception (I told you so!) and that is when you deliberately wants to leave these branches as sacrifice branches to help with thickening the lower trunk.

Branches pointing directly at you. The main reason here again is to allow the main trunk line to be visible. The exception is in the top third of the trunk / tree, especially if these branches are part of the apex of the tree.

How about this Jin? Should it be removed? Maybe just a slight turn at the next repot and it is not pointing at you anymore.

Bar branches. These branches are ones that originate at the same level as other branches. If they are directly opposite each other, it is known as bar branches. Another issue with too many branches originating at more or less the same point is that a lot of sap will floe through that area which leads to an unsightly thickening in that area and could also be the reason for reverse taper. This is a thickening at that point with a narrower trunk below that point. Remove as many of these as you can, especially found in pines where the branches for a whorl, preferably leaving one as part of an alternately opposite branch scheme. Select the one that fits the rest of your design more naturally.

Look at the bottom two branches. Not on the same branch, but still opposite each other, forming a bar branch.

Parallel branches, usually originating close to each other, but directly above each other. This is more for aesthetics than growth patterns. The classical design of a branch to one side, then the next one up on the other side and then maybe a back branch and to be repeated as you move up the trunk, is the ideal and not always possible, but at least a good guideline to keep in mind.

Two parallel branches. What to do?

Branches growing from almost the same point. This relates very much to the last two guidelines, but in this case refers to branches not necessarily growing parallel above each other or from the sight height, but just close enough for it to be unsightly. There is always the possibility that this will also lead to a situation where that area can thicken disproportionately compared to where other branches grow from to the increased sap flow.

Quite a few growing from the same point or level.

Unusually vigorously growing branches. These branches take energy away from other branches and can cast a shadow across other branches due to its faster growth. It is also possible for these branches to thicken disproportionally to other branches and interfere with normal taper or the notion that branches lower down the trunk should be thicker than branches higher up the trunk. These branches should be shortened or removed.

Secondary branches growing from primary branches where the growth is in the wrong direction. This could be branches growing straight up or straight down, branches growing outside of the main design contours or even in the opposite direction of the flow of the tree or just that part of the tree or branch.

The leader. Older trees show a more rounded apex and this can be achieved by removing the leader, substituting it with a new leader or wiring it in such a way that it shows a more rounded form. This also helps with reducing apical dominance in trees and redistribute the energy in a tree.

As mentioned earlier, very few trees allow the opportunity to apply all of these guidelines, but it is still a good idea to keep these in mind as you work through the tree, selecting which branches to keep and which to remove. This is a video of the branch selection of a Camelia clump lifted from a garden. https://youtu.be/MeCBk-_ofEw

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Bonsai as Sculpture: An Art Form

Sculpture is defined as Three-dimensional art made by one of four basic processes: carving, modelling, casting, constructing, by http://www.tate.org.uk. A good friend and fellow Bonsai Artist, Greg Tuthill (http://gregtuthill.com/), is a sculpture artist who uses metal as his preferred material and, as mentioned, a very good Bonsai artist as well. That made me think about Bonsai not only as an art form, but specifically as Sculpture.

One of Greg’s sculptures.

Let’s unpack the four basic processes as listed in the definition above.

Constructing – Modelling – Carving – Casting

Constructing: For me constructing is producing or making something out of raw material. Here we can argue that the raw material is represented by the starter Bonsai plant, the cutting, the Yamadori or nursery material. From this point you have to make decisions about direction, flow, what to keep and what to discard. You cut, you wire, you shape and you bend what you have in front of you into a design or shape that resembles your idea and vision of what a Bonsai tree should look like. At all times the material that you are working with will dictate how far you can go and what is possible, You construct and therefore Bonsai ticks the box for this element of sculpture.

From Pinterest

Modelling: Modelling is shaping something based on a model and in Bonsai we have plenty of examples of this. The basic Bonsai forms of formal upright, informal upright, cascade, slanting and a whole lot more provides the models that we work from. This is used as background knowledge and applied to the material that you have in front of you to create something that might show elements of the model, but is unique in its own character. The act of wiring is also part of modelling.

Informal upright style model and a real tree.

Carving: This we see in Bonsai when we sculpt deadwood, Jin, Uro and Shari. For this we use various techniques and equipment just as a Sculptor would do.

Casting: I am not aware of a lot of casting going on in direct relation to the tree, but no Bonsai is complete without its frame which is represented by the pot. Various methods are used to produce or create Bonsai pots and casting is definitely one of these techniques. It is necessary to have a suitable container or pot to complete the full picture of what a Bonsai represents.

There is one major difference and that Sculpture is normally seen as something done with wood, clay, stone or other non-living materials. Bonsai is definitely done with living trees and can therefore by seen as a living art form. Is Bonsai a form of sculpture? In my opinion, yes, it is.


Yes, we are Sculptors as well as Bonsai Artists.

Lockdown Bonsai work.

We were supposed to have aBonsai Society meeting today, which would have been the first one in a long time. Last night at 9pm, a change in alert levels was announced which means that where we live, social distancing is in place and as the venue is quite small, not the best for safety in the current Covid climate. That was called off.

I had this tree that I wanted to work on at the meeting. Basically just a clean up job and then lots of wiring to set the foliage pads. It is a Pine tree and in the twin-trunk style. Here is the before photo.

Before the wiring commenced.

And here is the tree after the pads were set.

Cleaning, Jin work, wiring and branches set. Pity some of the three-dimensionality disappears in these photos. Maybe I just need to get my photography sorted.

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Critiquing of Bonsai Trees

In Robert Steven’s book, Mission of Transformation (2009), he mentions in the Foreword that Critique has become a favorite tool of his as an effective way of teaching and learning. It is my experience that most clubs or Bonsai gatherings will include some or other Critique session, especially at large scale exhibitions or shows. It is customary for the head Judge or a visiting Demonstrator to undertake this task.

I have been witness to many of these and have also done my fair share of these Critique sessions. One of the most important aspects of these sessions is exactly what Robert points out in his book and that it should be an opportunity to learn. It is therefore very important that it is done in a constructive way to enable not only the owner of the tree, but all the spectators to walk away with more than just the negative aspects of the tree under discussion.

I like to start these sessions by asking the owner to tell the story of the tree. This gives you a good understanding of the history of the tree and by asking questions, dive into the aspects that really matter. Once this part is done, I like to first point out all the positives. Find something, even if there is very little to go with. There will always be a positive. As the focus is for this to be a teaching and a learning experience, lead the discussion by questioning. Use open-ended questions and allow as many people in the group as possible to answer and become part of the conversation. It becomes very boring if it is only the Commentator delivering the commentary. There is a danger here in that you at times have a very vocal participant who gets so excited that they tend to dominate the conversation. As you are leading the Critique, be aware of this possibility and gently bring the conversation back to focus on the tree and the whole group.

A good place to start is the overall picture or story that the tree on display tells. Look at the whole scene. After that, I prefer to start at the bottom and work my way up. Lead a discussion on the pot, then the surface soil and covering. After this it is the turn of the Nebari and then the trunk. From here, discuss the style and the appropriateness of that for the specific tree. The next part will be the branches and the foliage before the critique almost reaches its end with the apex. Once all aspects have been discussed, it is really important to summarise and come full circle to the positives and then end off with one or two actions for future development of the tree.

It is a time consuming exercise and in the case of a display with many trees, I prefer to only go with the three top trees and then also one or two Shohin displays. This way each discussion is more in depth and the value add is much more than just a walk through the exhibition and barely spending a minute or two with each tree. What I would like to see is that when it comes to multi-day shows, that the Critique is extended and broken up over more sessions across all days. This can be thematic i.e. each session focusses on only one style of tree (design) or split the trees in Evergreens and Deciduous trees or as mentioned above, do the Shohin separately. The main things is that there must be something new to learn for every participant and the owner needs to walk away with a feeling of accomplishment and also a few pointers on next steps for the tree.

This is the Robert Steven book referred to above.