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

Spring beauty is fleeting, and so is the opportunity to stop scale insects that live on the bark of magnolia trees and suck their sap. “With scale insects, timing is everything,” said Sharon Yiesla, ...

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 ...

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 ...