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Literature

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Breeders & Introducers

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Regional Themes

sources for peonies (worldwide)

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Floras with peony content

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Peony Societies & Clubs (worldwide)

Hybrids and their parents

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other peony services online:

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Kuen Hurtekamp's project: peonysociety.eu

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Elizabeth Babb's Webshots

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Peter Faulbrück's Quadriga.

Pascal et Marie Demeusy's website Pivoine et Hellèbore

The American Peony Society's Homepage

The Heartland Peony Society's Peony Gallery

The Heartland Peony Society's Peony Identification Utility

Leo Smit's Peony Blog

Hardiness zones worldwide from Pacific Bulb Society.