Scale insects are one of the most common and tenacious pest of ornamental plants. “Scales are tiny insects that appear ...

DEAR JESSICA: I have a gardenia plant that I am attempting to overwinter indoors, but it has developed a white substance on the leaves. I also noticed quite a few ants nearby. I’m not sure what this ...

Dormant oil sprays are applied to plants during mid to late winter to control overwintering insects, often scales. Some plants infested by scale insects include lilac, dogwood, Euonymus, apple, pear, ...