Notable characteristics: Lavender flowers with purple-black flares at the base of the petals. Tips of the petals frost to silver as the flower fades. See bottom photo.
The full name of this plant is 'Joy of Longevity of the Shimane Prefecture.' Shimane has been a famous area of peony production in Japan since the 18th century. A perennial visitor favorite in our display garden.
Growth habit and size at maturity (10 years old): Upright. Flowers held well above the foliage. Grows to 4' tall and 3' wide.
Flower form and size: Semi-double, 8-10".
Flower fragrance: Light and sweet.
Bloom time: Mid-season Japanese tree peony, blooms in our USDA zone 6a garden in the first week of June.
Zone hardiness: Proven in USDA zones 4-9.
Plant size: 2 year old tree peonies have 1-2 heavy woody stems, with many offshoot buds, and a well developed root system. Size of plant with foliage the first year is 18-22" tall. This size plant will likely flower its first spring in the ground, though it may need another year to make full size flowers.