Membership is open to all readers, writers, and students of haiku.
The HSA has been meeting regularly since its inception and sponsors open lectures, workshops, readings, and contests . At present the HSA has a total of 845 members around the country and overseas. The Society's journal, Frogpond , which features work by HSA members and others, as well as articles and book reviews, is in its 24th year of publication. The HSA also publishes a quarterly Newsletter, containing reports of the Society's national meetings and news of regional, national, and international events. Calif. Numerous regional meetings also took place around the country.