Pests #2: Controlling Scale by Michael Hagedorn
These little critters with their protective helmet-like shields are just one variety of the approximately 8,000 species of scale. Though not all are harmful to your bonsai, the ones that are, need to be taken seriously. Here’s what Michael Hagedorn has to say about scale They’re here again…scale are emerging from their eggs underneath their shields, and beginning to crawl. This is the time to control them. If we sprayed during the winter we wasted insecticide on protected eggs. In June they mature and begin moving around the plant, and can be controlled with oils. All-season oil or Neem oil … Continue reading Pests #2: Controlling Scale by Michael Hagedorn