| Linwood Gardens: Private garden in New York featuring a significant collection of tree peonies. Information about the open days, and photos of the tree peonies of Japanese and American origin. |
| Peonies for the Home Landscape - North Carolina Cooperative Extension: Cultivation resource including variety selection, planting requirement, maintenance, and advise for common problems. |
| Peonies...Our Last Passion: Large collection of links to sites or articles about peonies as well as public and private gardens, nurseries, paintings of peonies, books, and cultural information. |
| Peonies: Queen of the Garden Flowers: Article about the history, mythology, breeding, and cultivation of herbaceous garden peonies. Tips about care and selection, and descriptions of varieties. |
| Peony Garden: Australian growers of primarily tree peonies present background information on plants and breeding, photos of their hybrids, and links to articles. |
| Peony Lady: Australian grower Elisabeth Rundle presents background information, photo galleries, FAQ, and links. |
| The Website From Peony Friends For Peony Friends: Collection of articles and reference information on garden peonies - from history to hybridizing techniques. |
| The Wonderful World of Intersectional Peonies: Dedicated to hybrids of herbaceous and tree peonies, with many photos and some descriptive information. |
| Yahoo Groups: Peony: International interest group for discussions and sharing photos and reference information. Includes list of peony resource links. Must join group (free) to access information. |
| Yahoo Groups: PeonyPlus: Members share messages, files and photos, and trade plants. |
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