National Garden Clubs, Inc
Federated Garden Clubs Of NY State
Second District FGCNYS
Cornell Cooperative Extension
Long Island Plant Initiative, Inc.
Long Island Horticultural Society
Bayard Cutting Arboretum
Clark Botanical Garden
Old Westbury Gardens
Planting Fields
Queens Botanical Garden
Baker Creek Seed Company
Hudson Valley Seed
Johnny’s Selected Seeds
Department of Environmental Conservation
Handbook for Flower Shows (PDF)
