Casey Sclar, Ph.D.

Casey began serving as the H.O. Smith Endowed Director in August 2022. He has a master of science degree and a doctorate in entomology from Colorado State University, and a bachelor of science degree in ornamental horticulture from California Polytechnic State University, San Luis Obispo.

Casey’s experience in horticulture spans almost three decades. As executive director of the American Public Gardens Association from 2011–2022, he served over 600 public gardens throughout the U.S., Canada, Mexico, and more than 20 other countries. Prior to that appointment, he spent 15 years leading plant health care efforts at Longwood Gardens in Kennett Square, PA, including soils and compost, IPM, land stewardship, and other sustainability programs. He is currently board vice president of the Xerces Society for Invertebrate Conservation and was the recipient of the American Public Gardens Association’s Professional Citation in 2011. Since his arrival at Penn State, Casey has also been appointed an affiliate professor in the Department of Entomology in the College of Agricultural Sciences.

Casey enjoys developing partnerships that benefit the growth and development of professionals in the horticulture industry, and help preserve, conserve, and grow gardens and habitats.