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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