Tiny wasps are responsible for the pumpkin-shaped galls that develop on the leaves of oak trees.
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Wiring tip: how to prevent branches from splitting away from the trunk
A subtle adjustment to wire position can prevent broken branches.
Finding the right hormone levels for making seedling-cuttings
Varying the exposure to rooting hormone can make a big difference when making pine seedling-cuttings.
Insights from using a chemical injector to acidify the water for one year
An update about the past year’s experience using vinegar to acidify the water.
Diagnosing spots and twig dieback on a Japanese plum
Somewhere in the mid-1950s, my grandfather, Leo Dupuich, acquired a number of bonsai from a local landscaper and bonsai enthusiast named Jim Miyasaki. When my teenage father saw the trees, one stuck out to him – a Japanese plum. My dad cared for the tree for a number of years before giving it to my […]