CHRISTOPHER LEE WASSENBERG is Director of the Leaning Pine Arboretum and a lecturer in the Horticulture and Crop Science Department at Cal Poly San Luis Obispo. Christopher received his Bachelors degree in Environmental Horticulture and his Masters degree in Recreation, Parks, and Tourism Administration at Cal Poly. He teaches students about arboriculture, California native plants, landscape maintenance and construction, and public garden management.