- UW – Extension Horticultural Publications
- Summer Garden Inquiries-answered by Vijai Pandain, Horticulture Extension Educator
- UW – Soil and Plant Analysis Laboratory
- UW – The Wisconsin Gardener – Public TV
- UW – Urban Horticulture
- Wisconsin Master Gardener Program
- Ohio State University WebGarden
- USDA Plants Database
- Weed Science Society of America
- Rutgers Extension Home, Lawn, and Garden
- UW Insect Lab
- UW Turfgrass Diagnostic Lab
- Wildlife Ecology and Management
- Weeds and Invasive Plants
- Ask A Gardening Question
- University of Wisconsin Horticulture
