For years, I’ve spotted unhealthy shoots on black and red pines and wondered about the cause. Unhealthy foliage on black pine The main symptoms are discoloration – primarily yellow foliage – and deformed needles. The problem affects young trees and old trees alike. On more refined trees, I see short, twisty, needles like in the […]
Black Pine
Bonsai Development Series #17: Thin foliage to preserve interior shoots
Generating new shoots on Japanese black pines is easy. If a healthy tree is pruned, you can expect lots of new growth. Over time, however, crowded shoots can prevent light from reaching the tree’s interior. When this happens, the interior shoots we rely on for future primary branches can die off. The best way to […]
Why are my pines yellow?
I’m used to the pines in my garden looking a certain way. They usually yellow a little in fall and green up again in spring – only this spring, many remained yellow. I figured part of that was a result of fertilizing late this year. But even after fertilizing for a couple of months, many […]
Bonsai Development Series #16: Developing the trunk with multiple sacrifice branches
A sacrifice branch is any branch that assists in the development of a tree, but will not be part of the final design. Sacrifice branches are most commonly used to thicken the trunk. When the trunk reaches the desired size, the branch is removed. Some bonsai are developed with one sacrifice branch at a time. […]
The benefits of reducing sacrifice branches incrementally
One of the top goals of developing black pine bonsai is to encourage balanced growth. Because pines are apically dominant, they naturally produce strong growth near the apex and at the tips of branches. We expect to see smaller shoots on the lower branches and in the tree’s interior. Refined pine bonsai can produce shoots […]




