Question: The leaves on one of my blackberry bushes are bright orange colored underneath, and the plant looks a little wilted. Is this anything to worry about? Answer: Orange rust of brambles ...

Q: I was wondering about elderberry plants. I have one growing in my backyard, and some people have told me about the jam and pies made from the berries. Can you shed some light on the subject? A: ...

Coffee rust, or Hemileia vastatrix, which covers leaves in orange and/or yellowish powdery spots, is actually common on coffee plantations. The powder literally overshadows and burdens coffee leaves ...