Data specific to Peonies (Edit)
Originator/Registrant: Lyman D. Glasscock
Year of Registration or Introduction: 1937
Cultivar Group (Type): Herbaceous Hybrid
Season of bloom: Early Midseason (week 3)
Flower Form: Japanese
Flower Color: Red
Flower color description: Two rows of intensely pigmented, dark red petals. Each petal lightens toward base and lower mid rib creating less color saturated flares. Creamy green carpels tipped lightest pink, encircled by a ring of short, thick and barely transformed staminodes.
Flower size: Medium
Needs support: No
Awards: Gold Medal: APS Gold Medal 2015
Award of Landscape Merit: 2011

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Plant Height: 34 to 36 inches (86-90 cm)
Fruit: Dehiscent
Flowers: Showy
Uses: Cut Flower
Awards and Recognitions: Other: APS Gold Medal 2015
Parentage: Unknown Paeonia lactiflora x Otto Froebel

Image
Common names
  • Peony

Photo Gallery
Location: southeast Nebraska 
Date: 2022-05-15
Bud ready to open
Location: New York Botanical Gardens Bronx NY
Date: May 21, 2022
Full shade.
Location: New York Botanical Gardens Bronx NY
Date: May 21, 2022
Full shade.
Location: southeast Nebraska 
Date: 2024-05-08
Shown with Crinkled Linens

Courtesy Peony Paradise used with permission
  • Uploaded by Joy
Location: Estonia
Date: 2021-06-11
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-04
Mahogany peony - a deep red bloom that appears superficially to b
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-04
Mahogany peony - detail of the barely modified staminodes and the
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-06
Mahogany peony - very young planted (planted fall 2018).  First y
Location: Ontario, Canada
Date: 2018-06-07

Courtesy Peony Paradise used with permission
  • Uploaded by Joy
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-04
Mahogany Japanese form peony, semi-sideview
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-06
Mahogany peony - nominally a Japanese form which appears superfic

Photo courtesy of Nate Bremer of Solaris Farms
  • Uploaded by Joy

Photo courtesy of Nate Bremer of Solaris Farms
  • Uploaded by Joy

Photo courtesy of Nate Bremer of Solaris Farms
  • Uploaded by Joy

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