Variety Origin: Joyful Moon is a herbaceous hybrid peony jointly developed by Swenson Gardens in Wisconsin, USA, and breeder Roger Anderson.
Core Characteristics: Outer petals are rounded, full, and lightly notched. Inner petals are densely ruffled, resembling the contour of a full moon. Lacks normal carpel structure (sterile). Some stamens are petaloid; fertile stamens are interspersed among petals with yellow filaments.
Cultivation Performance: Prefers loose, well-aerated, organic-rich soil.
Joyful Moon peony is a distinctive variety possessing both garden ornamental and commercial cut flower value.