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 ...

Over the next few weeks, Facilities Management (FM) Outdoor Services will engage in responses to the European Elm Scale infestation in our campus elm trees. Integrated Pest Management (IPM) strategies ...

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 ...

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 ...

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 ...

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 ...

This suburban park in Adelaide's north-east used to resemble a small forest, filled with hundreds of well-established pine trees. But due to an infestation of an exotic pest, known as Giant Pine Scale ...