A number of you wrote with questions about the techniques Kazuo Onuma uses to create his mini-bonsai last week. Here are some answers! Chojubai Onuma grows chojubai by starting young cuttings in round, plastic containers. After several years, he removes the containers and lets the soil – red lava in this case – fall away […]
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Onuma’s mini-sized bonsai
After spending two days in the Tokyo area to see the Kokufu exhibit, I took a day trip to Shizuoka to visit Kazuo Onuma. Onuma is a grower who specializes in mini-sized bonsai. He’s been working with trees for twenty-five years and has been serious about it for the last fifteen. The effort has paid […]
Pruning to support development goals on crabapple pre-bonsai
When pre-bonsai are in the trunk-thickening phase, the work is simple – prune to avoid unwanted swelling and wire new shoots where you want movement. I’ve been doing this work on a batch of crabapples I started from seed for several years now. Young crabapple Trunk detail To encourage new buds along the trunk, I […]
Developing grafted cork-bark pines
Two years ago I received a note from Pete in Virginia about his work grafting dwarf and cork-bark black pines. He was curious if his grafting was appropriate for bonsai so he sent me some samples to evaluate. I’ve enjoyed working with these trees and would like to share some notes about each. They are […]
Refining a young root over rock black pine
I’ve been working on a root over rock black pine for the past two years. The tree was created by Eric Schrader (phutu.com) and is thirteen years old. Root over rock black pine The basic branches are set, but need refinement, and the new apex needs to thicken. To improve the branch structure, I thinned […]