Mid- to late summer is the time plant diseases become noticeable in gardens and landscapes. Some of the most common diseases found on flowers the home garden include powdery mildew, gray mold (Botrytis), and black spot.
If you want to avoid using broad-spectrum poisons in your garden, the key to success is taking time to observe and try to understand what’s really going on. It’s the single most important action you can take.
Sometimes when plants look sick or appear to be under attack by insects, the symptoms are actually a sign that the plant is being stressed by environmental factors. Here are some common symptoms of stress and the conditions that cause them.