| National Garden Clubs Inc. |
| www.gardenclub.org |
Fine Gardening Plant Guide |
| www.finegardening.com/Plantguide/ |
Tamukeyama World's largest FREE online garden library |
| mygardenguide.com/ |
Cornell University research |
| www.hort.cornell.edu/gardening/ |
Cornell University (plant diseases) |
| plantclinic.cornell.edu/ |
Research Information, Ohio State University |
| www.buckeyegardening.com/ |
NYS Nursery & Landscape Association |
| www.nysnla.org/ |
Cornell Botanic Gardens |
| www.cornellbotanicgardens.org |
Cornell Cooperative Extension |
| www.cce.cornell.edu/localoffices |
Master Gardener Web Site |
| www.ahs.org/master_gardeners/index.htm |
The Garden Conservancy |
| www.gardenconservancy.org |
U.S. Department of Agriculture |
| plants.usda.gov |
Kathy Purdy's website (colchicums) |
| coldclimategardening.com |