The Bickelhaupt Arboretum is a member of:
American Hemerocallis Society
American Horticultural Society
American Hosta Society
Clinton Area Chamber of Commerce
Clinton Art Association
Clinton Humane Society
Clinton Rotary Club
Clinton Trees Forever
American Conifer Society
DeWitt Town and Country Garden Club
Eastern Iowa Tourism Association
Garden Writers of America
Izaak Walton League of America
International Lilac Society
Midwest Region Hosta Society
Mississippi Valley Hosta Society
Public Gardens of America
Tree City, USA