Pumpkin St. John's Wort Calycanthus Cold Hardy: Strong winter hardiness

Cold Hardy: Strong winter hardiness supports reliable performance in cold climates

Unique Foliage: Crinkled

Mixed Evergreen Plantings: Pair with broadleaf evergreens and flowering shrubs for contrast in texture and structure

Screening: Use in a loose row as an informal screen that adds seasonal color when many screens look flat

mounded evergreen shrub that slowly broadens over time

Pumpkin St. John's Wort Calycanthus Cold Hardy: Strong winter hardinessPumpkin St. John's Wort (Hypericum x inodorum 'KOLMAPUKU') Pumpkin St. John's Wort is a compact shrub that keeps beds looking colorful long after peak bloom, shifting from bright yellow flowers to a bold berry finish. It is an easy way to add late season impact when many shrubs start to fade, without committing space to a large plant. The tidy, mounded habit fits neatly into borders, foundations, and mixed plantings where you want clean structure. If