Data specific to Peonies (Edit)
Originator/Registrant: Auten
Year of Registration or Introduction: 1939
Cultivar Group (Type): Herbaceous Hybrid
Season of bloom: Early (week 2)
Flower Form: Single
Semi-Double
Flower Color: Red
Flower color description: Very dark red. Color is clear and does not fade. Color has mahogany tones. Yellow anthers on red filaments make a striking double ring of color around the green carpels with their red stigmas.
Flower size: very large
Needs support: No

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 24 to 36 inches (60-90 cm)
Plant Spread: 24 to 36 inches (60-90 cm)
Fruit: Dehiscent
Flowers: Showy
Flower Time: Late spring or early summer
Summer
Underground structures: Taproot
Parentage: Paeonia officinalis x Paeonia lactiflora

Image
Common names
  • Peony
Also sold as:
  • John Howard

Photo Gallery
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-05-31
John Harvard is nominally a single form, but it occasionally prod
Location: Garland, TX
Date: 2021-04-06
First time bloom, Noon sun.
Location: New York Botanical Gardens Bronx NY
Date: May 16 2015
After rain.
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-02
The blooms are most striking when the stamens fall outward on the
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-02
Every element of the blooms adds to their dramatic appearance
Location: Garland, TX
Date: 2021-04-06
First time bloom in morning overcast.
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-05-31
Buds look especially dark when seen next to the relatively pale f
Location: Garland, TX
Date: 2021-04-06
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-02
A very young plant (planted fall 2017; photographed 2019).  Compa
Location: Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
Date: 2019-06-02
The glossy sheen of the dark petals is one of the real attraction
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