Local chapters

Local chapter Location State/Provincesort ascending
Wisconsin-Illinois Chapter Madison-Chicago Wisconsin
Northwestern Chapter Logo Northwestern Chapter Seattle Washington
Pulsatilla Potomac Valley Chapter Washington, DC, Maryland, & Virginia
Wasatch Chapter Salt Lake City Utah
Quebec Logo Quebec Alpine & Rock Garden Society Montréal Quebec
Allegheny Logo Allegheny Chapter Pittsburgh Pennsylvania
Delaware Valley Chapter Philadelphia Pennsylvania
Painted Hills Chapter John Day Oregon
Siskiyou Chapter Medford Oregon
Columbia-Willamette Chapter Portland Oregon
Ontario Rock Garden & Hardy Plant Society Don Mills Ontario
OVRGHS Logo Ottawa Valley Rock Garden & Horticultural Society Ottawa Ontario
Ohio Valley Logo Ohio Valley Chapter Ohio and surrounding states Ohio
Nova Scotia Rock Garden Club Bedford Nova Scotia
Piedmont Chapter Chapel Hill, Durham, and Raleigh North Carolina
Newfoundland Chapter of NARGS Newfoundland St. John's Newfoundland
Adirondack Chapter Ithaca New York
Genesee Valley Chapter (Inactive) Rochester New York
Hudson Valley Chapter Hudson Valley Chapter Westchester County New York
Long Island Chapter Oyster Bay New York
Manhattan Chapter North American Rock Garden Society New York New York
New Mexico Chapter Santa Fe/Albuquereque New Mexico
Watnong Chapter Morristown New Jersey
Fells Chapter Newbury - The Fells is located on the eastern shore of Lake Sunapee at 456 Route 103A in Newbury, NH. New Hampshire
Gateway Chapter St. Louis Missouri
Minnesota Minnesota Chapter Minneapolis/St. Paul Minnesota
Hymenoxys herbacea Great Lakes Chapter Southern Michigan Michigan
Berkshire Chapter Stockbridge Massachusetts
New England Chapter Boston's western suburbs Massachusetts
Jack-in-the-Pulpit Mason-Dixon Chapter Norrisville Maryland
Connecticut Chapter Inactive Connecticut
RMCNARGS logo Rocky Mountain Chapter Denver Colorado
Shasta Chapter (Inactive) Etna California
Sierra Logo Sierra Rock Garden Society Sonora California
Western Chapter San Francisco Bay area California
Calgary Rock & Alpine Garden Society (CRAGS) Calgary Alberta
Alaska Chapter Anchorage and the Mat-Su Valley Alaska