Some people use a generous dusting of artificial snow on their Christmas tree to create a feeling of a winter wonderland. This is referred to as a flocked Christmas tree. But if your sago “palm” looks ...

My magnolia had a problem with magnolia scale last year. Will it come back, and should I take some action to protect my tree? The leaves were covered in a black mold late last summer. — Frank Butler, ...

My Japanese magnolias have this horrible disease that causes tan-colored growths that look like boils on the branches, and they attract flies. A black mildew is on the leaves, and the leaves ...

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 ...

Bizarre-looking bugs known as scale insects may be tiny but they can take down an oak tree. Considered pests, the creatures tend to flock to cities where they weaken, and in some cases kill, trees by ...

Purdue Landscape Report: Christmas tree growers have been struggling with an invasive scale pest called Cryptomeria scale (Aspidiotus cryptomeriae), which is a serious pest of conifers. The scales ...

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 ...

When I spotted a scale insect on a leaf of my Thai lime tree recently, I sighed. It’s only December; sometimes they show up only in March. We must coexist indoors for another five months. I had been ...