Misguided faith in pesticides isn’t the answer to our mosquito and tick problems. Presented by Dan Duran, PhD, associate professor, Department of Biodiversity, Earth and Environmental Science, Drexel University In this lecture, Dr. Dan Duran will discuss the efficacy of common methods used to control these backyard pests. He will also address the environmental implications of the various methods. Dr. Duran in an engaging speaker whose energetic lecture style is appreciated by his students as …

Hands-on workshop led by Arboretum horticulture staff and greenhouse volunteers Back by popular demand, the Arboretum’s staff and volunteers are once again offering this workshop to help give new life to some of your neglected old houseplants. We can prune, clean, and repot with fresh soil mix (yes, we can do orchids). We can even give them a shot of fertilizer to get them going. The Arboretum will supply the soil, fertilizer, and expertise, but …