Information about membership and events, a primer on botanical distinctions, articles on various topics, and a photo gallery of hybrids developed by members.

Site offers newsletter, seed exchange and root sale information, photo galleries, and a collection of articles by members. [English/French]

Midwest club for peony enthusiasts. Educational information on peonies and specific information on the society.

Brief society overview, and articles on tree peonies, species peonies, and Minnesota peony personalities.

Most events take place in Oregon. Information about membership, meetings and events, and photos from flower shows.