If your lime tree is indoors, the floor under the potted plant may become sticky. Also, honeydew may cause a plant disease called sooty mold. If left unattended, scale insects can cause leaves to ...

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, ...

Last month, we notified you that, during winter break, a contractor working for Facilities Management Outdoor Services was going to conduct a broadcast spray application of a dormant food-grade ...

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 ...

correctionIn an earlier version of this article, the last name of a Smithsonian Gardens arborist was incorrectly stated. He is Jacob Hendee, not Jacob Hender. The article has been corrected. Spring ...

Crape myrtle trees are nearly as plentiful as azaleas in the Rose City, but a new pest threatens their beauty. The pest - crape myrtle bark scale - was first discovered in Tyler in 2013 and is slowly ...