Variety Origin: Green Monster is a new herbaceous hybrid peony variety bred by Swenson Gardens in Minnesota, USA. It first flowered in 2014 and was officially registered in 2021 (Number 2021-DIR:7, breeding number RAHS 7). It is a representative of the distinctive green peony category that has gained significant attention in recent years.
Core Characteristics: Petals feature wavy ruffles and fine serrations. Plant habit is upright and compact, with sturdy stems resistant to lodging. Foliage consists of dark green, glossy, bi-ternately compound leaves. Blooms in mid-to-late May. Has relatively poor seed set.
Cultivation Performance: Extremely cold hardy, tolerating -40°C, adaptable to USDA zones 3-8 and most temperate regions of northern China. Prefers full sun and fertile, loose, well-drained, neutral to slightly acidic soil; avoid waterlogging and saline-alkaline soil. Outstanding disease resistance, rarely suffering from serious pests or diseases. Best planted in autumn (September-October).
Green Monster peony, with its unique white and green striped color as the core highlight, combines exceptional adaptability with simple care. It is a rare and highly ornamental variety, suitable for landscape design and meeting high-end cut flower needs, offering a unique choice for peony cultivation.