Botanical Society of America: It’s difficult to put a number on how many flowering plant species exist in the world. In recent years, scientists have estimated the number lies somewhere between 223,000 and 422,000. That’s a lot of blossoms to study for the members of the Botanical Society of America, which counts academics and amateur plant enthusiasts alike among its membership.

American Horticulture Society: Born with a brown thumb but still have an appreciation for floriculture? Check out the American Horticulture Society’s Garden Directory, a public online database of more than 300 gardens throughout the country. Since 1959, AHS has also sponsored an annual seed exchange among its members to help expand their collections of heirloom plants.

Society of American Florists: Somehow it doesn’t seem surprising that nearly 80 percent of flower consumers are women, or that 63 percent of those purchasing flowers are buying them for themselves instead of as a gift for someone else. But did you know that flowers have health benefits, such as the power to pep you up in the morning? The Society of American Florists likes to tout these facts and figures on its informational website aboutflowers.com.

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