After removing a large branch, you might find that the callus doesn’t form evenly around the wound. The best way to fix this is to reopen the wound. Here’s an example of a wound created one year ago after removing a large branch on a black pine. Old wound on Japanese black pine The top […]
Bonsai Development
Bonsai Development posts form the heart of Bonsai Tonight. Learn about varieties like Black Pine, Shimpaku and Japanese Maple, techniques like Decandling and Grafting and Air Layering, and bonsai features like Deadwood.
Bonsai Development Series #13: Balancing vigor
The basic approach to developing material for bonsai is to first create the trunk and then focus on the branches. In between these two stages, it’s common to split the focus between the trunk and the branches. When focusing on the branches, the idea is to slow the tree down to produce fine growth. When […]
Working soil into the roots below the trunk – repotting field-grown satsuki
Satsuki bonsai are commonly bare-rooted when they are dug from the field. These trees can have lots of fine roots under the trunk that can make repotting difficult. Bare root satsuki azalea ‘Hanabin’ Lots of roots under the trunk Simply setting the tree into a mound of soil can lead to air pockets in which […]
Reducing primary branches on coast live oak
Last spring I brought home a few coast live oaks. I repotted them in early May and found that they responded well to the work (see “Repotting out of season“). Here’s what one of the trees looked like last week. Coast live oak I did, however, notice that most of the new growth was on […]
Refining cork oak – step two
I’m starting this series on cork oak with the second step – reducing branches that are too long or too straight. The first step is repotting the tree into bonsai soil and generating healthy roots. Last year I repotted this oak in a training pot after nearly bare-rooting it. The field soil supported few roots […]