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  1. 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

  2. Heirloom Annuals

     

    Heirloom Annuals

    An heirloom plant is an open-pollinated cultivated variety (cultivar) that has been grown for many years and is often handed down through families. (Open-pollinated plants are pollinated by birds, insects, wind, and other natural mechanisms.) The commonly accepted cut off date for heirloom plants is...

    October 4, 2012

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    February 23, 2016

  4. Privacy

    This site requires that a user submit their email address in order to post a comment or submit a question.

    That information will not be shared or distributed, and is used solely for the purposes of verifying the validity of a user.

    Questions?  Contact us.

    October 8, 2012

  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 Advisory Board

    The success of the Peony Garden Initiative is in large part due to the exceptional service of professionals who offer their time and expertise on our Peony Advisory Board. These experts bring diverse perspectives, experiences and depth in:

    • peony identification and history,
    • peony culture and disease management,
    • ...

    January 20, 2017

  7. Peony Videos

    'Illini Belle':

    ...

    April 27, 2016

  8. Nichols Arboretum

    This is the homepage - DO NOT DELETE!!!

    May 22, 2013

  9. 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

  10. Recent Additions

     

    We have space for historic cultivars in both the main herbaceous beds as well as in the long-desired tree peony collection between the herbaceous beds and Laurel Ridge trail.
    • In 2011 several missing historic cultivars were donated to us from the original estate of Mr. Upjohn (currently a property of Michigan State...

    October 22, 2012

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