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National Chrysanthemum Society - http://www.mums.org
Promotes the propagation and cultivation of the chrysanthemum and increase the bonds of fellowship among growers of the chrysanthemum. |
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American Hibiscus Society - http://www.americanhibiscus.org/
Includes membership information, publications, chapter locations, events, and links. |
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International Lilac Society - http://lilacs.freeservers.com/
Formed in 1971 to stimulate interest in the genus Syringa and to promote its use in public and private landscaping. |
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American Brugmansia and Datura Society - http://www.abads.net/
Offers culture information, searchable plant database, registry and photographs. |
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Ranunculaceae Society - http://homepage.eircom.net/~ranunculaceae/
Society based in Ireland focusing on gardening with plants in the buttercup family. Information about activities, publications, and membership, photo gallery, and plant of the month feature. |