Contains a very good page about Horticultural Myths and another page with horticultural fact sheets in pdf format. By Linda Chalker-Scott, Ph.D. Washington State University Extension Urban Horticulturist & Associate Professor.
School of Natural Resources - The Ohio State University. Biodiversity is an important component of plant selection - especially in urban areas. You can improve the health of your urban ecosystem by improving the diversity of plant life. Good Shade Tree In
Plant and Pest Diagnostic Laboratory (P&PDL) at Purdue University provides rapid and accurate identification of pests and problems associated with plants, as well as other types of vertebrate and invertebrate pests.