| Alaska
Master Garden Association |
Anchorage
chapter |
| American Public Gardens Association |
formerly the American
Association of Botanical Gardens and Arboreta |
| American
Bamboo Society |
|
| American
Begonia Society |
|
| American
Conifer Society |
|
| American
Hemerocallis Society |
Daylilies |
| American
Horticulture Society |
|
| American
Iris Society |
|
| American
Orchid Society |
|
| American
Primrose Society |
|
| American
Rhododendron Society |
|
| American
Rose Society |
|
| Association
of Zoological Horticulture |
|
| Botanical
Research Institute of Texas |
|
| Botanical
Society of America |
|
| Botanic Gardens Conservation International |
|
| The
Cactus and Succulent Society of America |
|
| Central
Vancouver Island Botanical Garden Society |
|
| Gardens
for Peace |
|
| Hardy Plant Society/Mid-Atlantic Group |
Serving Greater Delaware Valley |
| The
Herb Society of America |
|
| Historic
Iris Preservation Society |
|
| International
Carnivorous Plant Society |
|
| International
Palm Society |
|
| International
Society of Arboriculture |
|
| International
Waterlily and Water Gardening Society |
Since
1985, serving the international water gardening and aquatic plant enthusiast,
professional and amateur grower and marketer, professional botanist and
educator, journalist and photographer. |
| National
Gardening Association |
|
| New
England Wild Flower Society |
|
| New
Ornamentals Society |
|
| The
North American Rock Garden Society |
|
| The Northwest Louisiana Master Gardeners |
|
| Perennial Plant Association |
|
| The Tampa Bay Chapter of the Rare Fruit Counfil International, Inc. |
The Tampa Bay Rare Fruit Council International seeks to inform the public about the merits of fruit common to this region, and encourages the cultivation, collection, propagation and growth of fruit that is exotic or unusual to west central Florida. The club also encourages the development of new fruit varieties, cooperating with local and foreign agricultural agencies, private institutions and individuals engaged in tropical pomology. |
| Vancouver
Island Rock and Alpine Garden Society |
|
| World
Iris Association |
|
