Brooklyn Queens Land Trust
- Land trust's community gardening website advocating sustainable gardening practices and educating public to support community involvement gardening, and neighborhood beautification and open space enhancement through activities and programs
- http://www.neighborhoodlink.com/org/bqlt/

Frederick W. Vanderbilt Garden Association
- The F.W. Vanderbilt Garden Association is dedicated to the restoration and maintenance of the formal gardens at the Vanderbilt Historic Site in Hyde Park, NY.
- http://www2.marist.edu/fwvga/

Philipstown Garden Club
- Club history, community activities, horticultural programs, and photos.
- http://www.pgcinc.org/

The Little Garden Club of Rye
- Presents its history, events, and announcements, horticultural information, and recipes.
- http://www.lgcofrye.com/

East Village Parks Conservancy
- New York City community organization supporting the restoration of gardens, parks, and greenspaces in East Village, Manhattan.
- http://www.evpcnyc.org/

Frederick W. Vanderbilt Garden Association, Inc.
- Italian gardens on three acres of land in New York restored by a volunteer group. Information on events and tours of the gardens.
- http://www.highlands.com/Vanderbilt/default.html

Long Island Arboricultural Association
- Dedicated to education for the appreciation and care of trees and shrubs.
- http://www.liaatrees.org/