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 ...

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, ...

Q. I have half a dozen piñon trees that have scale and are looking rather brown and brittle. I have been watering these trees about twice a week for the past three weeks. When is the best time to use ...

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 ...

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 ...

Getting your Trinity Audio player ready... INDOORS Got the winter blahs? So do your indoor plants. But don’t pitch them; it’s pretty easy to renew them. If you notice that they need frequent watering ...