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  1. Shou An Wang

    February 9, 2016

  2. What is the difference between tree, intersectional, and herbaceous peonies?

    Tree peonies have woody stems that stay above ground all year.  Their leaves are deciduous and drop every fall. 
     
    An intersectional peony is a cross between the tree peony and the herbaceous peony.  The flowers look like those of a tree peony, but the stems die back to the ground each fall.
     
    ...

    September 7, 2012

  3. Dr. Upjohn's 160th Birthday!

    Join us in appreciating Dr. Upjohn...

    May 2, 2013

  4. A Note on Photography

    The peony photographs were and continue to be taken for educational and documentary purposes. All photographs are of accessioned plants in our living collection. We appreciate the significant photography work contributed by volunteers, advisors, students, faculty, and staff at the University of Michigan’s Nichols Arboretum and Matthaei...

    April 11, 2017

  5. 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

  6. 13591

    February 5, 2016

  7. 13606

    February 5, 2016

  8. 13622

    February 5, 2016

  9. 13637

    February 5, 2016

  10. 13653

    February 5, 2016

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