Garden staff are finding more scale insects and aphids than in past years. A major infestation of lecanium scale was recently found on a large planting of bald cypress at the Garden. The population of ...

We have a lime tree that we winter indoors. In March, the tree developed about 60 limes. Also during that time, the tree developed scale insects. We purchased a nontoxic solution, which somewhat ...

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, ...

A: From the photos, I can see that the leaves on the peaches are a bit tattered, but it’s those “black things” that look like large drips of black coffee that have me most concerned for the health of ...

Q: I have a mature palo verde tree in my back yard that has what appear to be some kind of white scale on the trunk and several main branches — it almost looks like cement or mortar. On some of the ...

A scale insect infestation is a sign that a tree is in poor health, making it susceptible to the tiny insects. Pixabay photo Scale insects are sneaky little devils that often go unnoticed by gardeners ...