- MSU Horticulture Department
For outreach programs, shows, Garden Day, gardens and arboreta, links and much more.
- Missouri Botanical Garden’s Plant Finder
Plant information (perennials, trees, shrubs) and more
- North Carolina State University Plant Fact Sheets
- United States Department of Agriculture; Natural Resources Conservation Service
Extensive database with standardized information about plants. Can search specifically for Michigan plants.
- Midwest Invasive Plant Network
Invasive plants, aquatic invasive plants, landscape alternatives for invasive plants and more.
- MSU Extension
Yard and garden tip sheets that can be downloaded. Questions answered. General and specific information for gardeners.
- MSU Department of Entomology
Broad coverage of pest control; some coverage of invasive plant control.
- Hallson Gardens (Cement City, MI)
Hardy perennial reference guide.