Name in Japanese and romaji: 黃冠 Oukan
Notable characteristics: Enormous lemon yellow semi-double blossoms to 8″ with slight red flares at the base of the petals. Slight, lemon fragrance similar to one of its parents, ‘High Noon’. Flowers are supported by strong stems and don’t nod to the side, as with many other lutea hybrids. Tall, upright growing plant to 5′ tall and 3′ wide at maturity. Mid to late season blooming tree peony, similar to other Japanese cultivars. A recent hybrid from Japan.
Growth habit and size at maturity (10 years old): Upright habit, grows to 5′ tall and 3′ wide.
Flower form and size: Semi-double blossoms to 8″.
Flower fragrance: Spicy-sweet, slight.
Bloom time: Late Japanese tree peony, blooms in our USDA zone 6a garden in the third week of May.
Zone hardiness: Proven in USDA zones 4-9.
Plant size: 1 gallon container