Scale insects can infest and damage many of the plants we grow in our landscapes and indoors. They feed on the sap of plants, and a large enough population can weaken a plant, damage it or even kill ...

Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making them ...

Q: Everything under one of my large potted plants on the patio is turning black. What isn’t black is sticky. What is wrong with this plant? A: From the pictures you sent me, we know that the black ...

Late fall and winter are the best times to find and control scale insects on trees and shrubs. Even then, excellent powers of observation are needed to recognize their protective structures. These ...

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 ...

Could you let me know the latest sasanqua shrubs can be trimmed to assure blooms? I thought till the end of July, like azaleas, but I’m not sure. — Jeanne Garman Major pruning to sasanquas (Camellia ...