More spring cleaning

While the materials in the last spring cleaning post weren’t show-stoppers, the techniques are certainly important to developing show-stopping bonsai. Another detail of spring cleaning is taking care of wounds and scars from old cuts. Staying vigilant on pruning scars helps them heal over nicely until they become undetectable. Here are a couple photos from cleaning up old cuts on a zelkova, and on a young shari on an ume.

This zelkova has been a bonsai for about 30 years. Most of the history of the tree under my care is documented here. Soon it will have its own post here as well. These pruning scars are on the back of the trunk, but at some point, it could become the front of the tree if the wounds close over well. They were created years before I acquired the tree in 2006, so they’ve been healing slowly for more than 8 years. For scale, they’re close to quarter sized.



Next is the callus forming along the newly-created shari on an Ume. The carving was done 13 months ago, and as a fast-growing species, the cambium is rolling over the deadwood quickly, and pushing up a ridge of bark above the callus. To improve the illusion of age, it is important to keep the callus rolling smoothly and to have no transition in bark along the shari.

Before the callus was smoothed over on the left side:

After smoothing over the bark on the left side:

How’s the ume doing? Pretty well:


2 thoughts on “More spring cleaning

  1. Nice work! I’ll be real interested Brian in seeing the Elm’s wounds in say a yr or two to see how effective it is…and I love the dog tennis balls. I have them all over my backyard too 😉

  2. Pingback: Zelkova follow up | Nebari Bonsai

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