Q: This is a picture of our dogwood tree with white growths on it. Your help is appreciated. A: Your dogwood tree has a healthy case of scale insects. Scale insects attach themselves to the host plant ...

Q: I have a backyard prickly pear with a cochineal infestation. Does that need to be treated? Do these guys ever go away on their own? Are they even actually a problem for the cactus? A: Cochineal ...

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 ...

Scale insect problems are common this time of year throughout the Lowcountry. It is not surprising since this group of small immobile insects comprises over 18 genera, with thousands of species ...

Based on the photo we have sent, what is wrong with our oak tree? Is there something that we should be doing to ensure its health? — Mitchell and Anna Jones, Libertyville From your photo, I can see ...

Many people have a potted citrus plant or two that they keep indoors during the winter and move outdoors for the summer. It may be one of those dwarf trees that produce full-sized fruit. Or it could ...