As I mentioned in my last column, many pests can feed on hibiscus making this a very high maintenance choice for your landscape. Chewing insects include caterpillars, grasshoppers, snails and slugs, beetles, cut worms and leaf miners. Piercing-sucking insects include scale, mealybugs, spider mites, aphids, whiteflies and thrips. These pests are more of a problem in areas of poor circulation. The ...
I brought in a mandevilla vine this fall to overwinter and am finding white, fuzzy spots on the leaves. It seems to be spreading, and I am seeing this fuzz appear on the hibiscus also. Do you know what this is and what I should do about it? Also, the plants have been dropping a lot of leaves. Should I be worried? - Donna, Racine.