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  1. Care Calendar

    Spring

    • Potted peonies are available in the springtime.  Plant immediately.
    • Remove any stems showing...

    March 11, 2016

  2. The Nichols Arboretum Peony Garden History

    William Upjohn

    In 1922 the Regents of the University of Michigan appropriated $2,000 to...

    January 20, 2017

  3. Peony Organizations and Links

    These links are based on activities of the Peony Garden Initiative or contain information of interest to our readers. Their listing is not an endorsement by the University of Michigan.

     

    Peony Societies - North...

    April 11, 2017

  4. When to Visit

    Peony Bloom Season

    Peonies bloom once a year, in the spring. Our bloom countdown page is updated regularly as the season progresses.

    • Tree peonies always bloom...

    May 25, 2016

  5. About Peonies

    Wild Species and Ornamental Origins

    Thirty two species of wild peonies are native from the Mediterranean region to eastern Asia, with two species endemic to western North America. The wild peony species are mostly herbaceous perennials, but some Chinese species are woody shrubs, mistakenly but perhaps permanently called 'tree...

    January 20, 2017

  6. Peony Resources

    Peonies have been popular garden plants in Europe and North America since the early-1800s and since antiquity in Asia. There is an enormous range of information available. These are resources and links the staff here find most useful.

    September 28, 2012

  7. Peony Resources

    Peonies have been popular garden plants in Europe and North America since the early 1800s and since antiquity in Asia. The resources and links provided here are ones staff at the Matthaei - Nichols find useful out of the enormous range of information...

    April 27, 2016

  8. Get Involved

    There are many ways to engage with the Peony Garden. An important step is to visit, enjoy, and spread the word. Word-of-mouth is...

    March 11, 2016

  9. The Peony Garden Initiative

    The Peony Garden Initiative is a multi-year renovation project to transform the Nichols Arboretum Peony Garden into an internationally recognized reference collection, a conservation model for other historic cultivar collections, and a destination for peony lovers. The Peony Garden will illustrate the natural and social history of the peony...

    April 11, 2017

  10. Peony Diseases

    Peonies have relatively few diseases. The most common one is botrytis. An excellent online article on peony diseases with photography can be found at the Canadian Peony Society.

    Lemoine Disease

    ...

    March 11, 2016

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