Common wisdom holds that the best time to repot bonsai is in early spring. This is good advice, but it’s not very specific. If I were to refine the statement, I’d suggest that a good time to repot bonsai is when they begin to wake from dormancy. The idea is that different species respond to […]
Repotting
Repotting young chojubai in summer
This past spring, as the deciduous bonsai in my garden began to leaf out, I noticed several dwarf flowering quince began to die back. Over the next two months, about half of these chojubai died. I found no evidence of insects or fungus, and a nearby lab couldn’t identify the culprit either. Our best guess […]
Where do roots like to grow? A look inside the pot
For as important as roots are to healthy bonsai, we don’t often get a good look at how they grow in the pot. Few containers offer a view at what’s going on inside and we often disturb the roots with sickles or chop sticks when removing trees from their containers. I got a particularly good […]
Preventing air pockets under the trunk – repotting satsuki azalea
Air pockets in the rootball, we are often told, lead to dead roots which can cause further dieback on roots or branches. It stands to reason – roots exposed to the air will not fare well on varieties like satsuki. The most common place to find air pockets is below heavy roots or under the […]
Repotting bare-root satsuki azaleas
For most varieties of bonsai, there are many approaches to repotting. Soil mixes, timing, and the number and selection of roots to be cut can vary widely depending on who is doing the work. When it comes to azaleas, this isn’t the case. Satsuki bonsai care – at least the basics – is fairly conventionalized. […]