Georgia's Pollution Prevention Assistance Division (P2AD)
www.gasustainability.org/
American Public Gardens Association (APGA)
www.publicgardens.org/
American Horticultural Society
www.ahs.org/
American Hydrangea Society
www.americanhydrangeasociety.org/
The Crape Myrtle Trails of McKinney
www.crapemyrtletrails.org/

National Garden Clubs Inc.
www.gardenclub.org/

Gardening 123
www.gardening123.com
HGTV
www.hgtv.com
National Gardening Association
www.garden.org
The Weather Channel
www.weather.com
USDA Zone Map – The United States National Arboretum
www.usna.usda.gov/Hardzone/ushzmap.html
Learn2Grow
www.learn2grow.com

Center for Applied Nursery Research (CANR)
www.canr.org
Plant Introductions Inc. (PII)
www.plantintroductions.com/
National Institute of Food and Agriculture (NIFA)
www.csrees.usda.gov/
The United States National Arboretum
www.usna.usda.gov
University of Georgia, Department of Horticulture
www.hort.uga.edu/