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 ...

Continental European snakes, geckos and Italian wall lizards are making their way to northern Europe undetected among imports of ornamental olive trees destined for gardens and green spaces. These ...

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 ...

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 ...