Presents information on botanical gardens. Contains newsletters, RSS Feeds and online shop.

National Historic Landmark and oldest botanical garden in the United States. Includes visitor's guide, membership, events, plant photos, and information about educational programs. Located in St. Louis.

Offers a variety of display gardens and native habitats situated on nine islands. General information, history, events, gardening tips, FAQ, membership, programs, and volunteerism.

Features four gardens in the Hawaiian Islands and one in Florida. Includes history, programs, tour information, photo gallery of plants, collections, and ways to help.

Features themed gardens, plant collections, Virginia state champion trees, and horticultural library. Includes visitor's guide, events, membership information, educational programs, podcast, donations, volunteer opportunities, and online resources.

Information about visiting, garden map, education programs and rates and guidelines for planning events.

Canada's oldest university botanical garden, located in Vancouver, British Columbia. Features discussion forums, garden information, articles, photo gallery, classes and research topics.

One of the oldest and largest botanical gardens in the world, the NYBG features numerous specialty gardens, plant collections and a forest spread over 250 acres.

Public garden in Palm Beach, Florida. Visitor information, events, collections, and books.

A directory of botanical gardens, preserves, parks, and other nature sites in the US and Canada. Links to organizations, publications, forums, herbaria, a zone map.

Features plant collections, touring and visitor information, and programs offered within the garden.