• American Bamboo Society
  • Carnivorous Plant FAQ - Home of the carnivorous plant Frequently Asked Questions information
  • Carson's Comments on Orchids/CITES - Individual with considerable experience with bureaucracy.
  • East Valley Garden Club
  • Ohio State University - Horticulture in Virtual Perspective provides multimedia reference materials about horticulture and information on current programs and courses being offered.
  • Ponderosa Tree Service - Founded in 1971, Ponderosa Tree Service has been providing high quality tree care services to the East Bay for almost 40 years.Our philosophy is simple. Customer service and satisfaction are our highest priority. Experience and innovation have allowed us to provide excellent service while keeping our rates competitive.
  • Purdue University - HortUs contains links to research in horticulture and a prototype of a undergraduate project underway.
  • Stanford University - Hydroponics includes the archives of the hydroponics mailing list, pictures, and pointers to other services.
  • Strobert Tree Service Delaware - Our ISA-certified arborists are passionate about creating a sustainable environment, and we believe that starts with caring for the environment in our own community. One of the things that sets Strobert Tree Services apart is our commitment to being good stewards of our environment. We have always strived to stay on the leading edge of the 'green' movement, offering plant healthcare and other tree care services that will not only give you a beautiful landscape, but will also foster a healthy environment for many generations to come.
  • Sustainable Production Practices for Vegetables in the South - 250-page text for course at NC State. Practices described reduce the adverse impact of agriculture on the environment.
  • Tree Care Industry Association - Established in 1938 as the National Arborist Association, today's Tree Care Industry Association (TCIA) is a trade association of more than 2,200 commercial tree care firms and affiliated companies. Our mission is to advance tree care businesses. TCIA develops safety and education programs, standards of tree care practice, and management information for arboriculture firms around the world. Produced by arborists, for arborists, and tested in the field, you can be confident that all training material is relevant and applicable.
  • Trees for Life - Trees for Life help people in developing countries plant fruit trees. These trees provide nutrition as well as protect the environment.
  • University of Minnesota - Horticulture Info is a horticulture database of horticulture information for the commercial grower and home gardener and related horticulture servers.

    American Assoc. of Botanical Gardens & Abboreta, Inc.
    786 Church Rd.
    Wayne, PA 19807

    American Horticultural Society
    7931 East Boulevard Drive
    Alexandria, VA 22308

    The Garden Club of America
    598 Madison Ave.
    New York, NY 10022

    Holly Society of America, Inc.
    11318 West Murdock
    Wichita, KS 67212-6609

    International Carnivorous Plant Society
    Fullerton Arboretum - CSUF
    Fullerton, CA 92634

    Men's Garden Clubs of America, Inc.
    4716 Sullivan Way
    Santa Rosa, CA 95409

    The Center for Plant Conservation
    P. O. Box 229
    St. Louis, MO 63166

    National Council of State Garden Clubs, Inc
    4401 Magnolia Ave.
    St. Louis, MO 63110

    National Gardening Association
    180 Flynn Ave.
    Burlington, VT 05401

    National Wildflower Research Center
    2600 FM 973 North
    Austin, TX 78725

    New England Wild Flower Society, Inc.
    180 Hemenway Road
    Framingham, MA 01701-2699

    Organization for Flora Neotropica
    c/o Scott Mori, N.Y. Botanic Garden
    Bronx, NY 10458

    Woman's National Farm and Garden Association, Inc.
    P.O. Box 608
    Northville, MI 48167