Organic pesticides are usually considered as those pesticides that come from natural sources. They are usually minimally processed. These natural sources are usually plants or minerals. There are also microbial pesticides.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.