I would like to try the ‘Shari’ technique, for the first time.
However, I would like some advice, as I do not want to harm my trees.
The bark at base of the trunk of this cypress has naturally peeled away. I was thinking about the area from the base to the little knot and possibly carving into the trunk a bit.
Is the a suitable subject and area to try it on?
Should I wait a few weeks after repotting?
What would be the steps?
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Your tree is weak ( limited foliage in poor condition) , potted in what appears to be primarily organic soil ( not freely draining), and has been wired.
Creating a shari at this time will certainly weaken the tree further. The repot appears to have been some of the outside edges reduced and possibly the bottom with the core of compacted soil left remaining. Then organic soil placed around the edges. Not sure if roots were cut off or teased out and soil worked in.
The best course of action at this time would be to see how well the tree recovers over the next year! It is best to work on healthy trees!
If you wish to create shari. The first step would be to determine if there are any naturally dead areas in the cambium already that could be enhanced.
Secondly, determine which areas are feeding key branches and be sure not to interfere with those lifelines.
Thirdly, understand which key roots are sustaining certain areas of the tree and ensure that those areas are not interfered with.
Fourthly, begin with narrow cuts and develop slowly over time so the tree has time to adjust.
And just as importantly, do not create shari until you have determined how it will fit into the overall design of the tree! Not near as effective if it is all on the side or back. In other words I think you have lots of time to plan and execute shari further on in the development of this juniper.