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 […]
Bonsai Care
The bonsai care category includes topics like Watering, Fertilizing, Repotting and Bonsai Soil. You can also find information about the Pests commonly found on bonsai, and read Interviews with bonsai professionals.
Homing in on the ideal environment for satsuki azaleas
A few months ago, two satsuki professionals visited my garden. The weather was unseasonably warm when they arrived – it reached 102, an unusual high for June – and they were worried I wasn’t watering my azaleas enough. They repeatedly stressed that azaleas don’t do well when they dry out or when it gets too […]
Tips for applying liquid fertilizer
Liquid fertilizer is a great way to provide nutrition for your bonsai. I’ve been using fish-based fertilizers for years and although it’s smelly, it’s effective and offers control when I want to limit how much fertilizer each tree gets. Fish emulsion While it’s easy to dilute concentrated fertilizer and apply it to your bonsai, there […]
Summer watering tip
Have you ever found that some trees dry out a lot faster than others this time of year? It happens a lot in my garden, on old trees and young trees alike. One thing that can cause this is not watering thoroughly. Sometimes, I’ll water a tree three or four times only to dig down […]
Restoring health to an old Jeffrey pine – update and fall work
A year-and-a-half ago I started working on an old Jeffrey pine. The first step was to help the tree regain vigor (see “Repotting a Jeffrey Pine” for details). Here’s what the tree looked like after repotting in March, 2018, followed by a photo of what it looks like today. Jeffrey Pine – March, 2018 September, […]