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Hypericum prolificum

Bright yellow flowers with showy stamens bloom throughout summer into early fall on the current year’s growth. Shrubby St. John’s Wort is a deciduous to evergreen shrub with a compact and dense habit. Its dark green leaves grow oppositely or in whorls along multi-stemmed branches. In nature it is found in bogs, open woods, and dry sunny spots. While it can handle some shade, more blooms are found on plants in sunny locations. Flowers turn into copper capsules containing seeds that persist in winter, which are enjoyed by songbirds. Preferring moist soil, it can tolerate occasionally dry conditions once established. Shrubby St. John’s Wort can grow in a variety of soil types, from sand to clay, and can withstand light soil compaction. Although it can spread via underground rhizomes, pruning in spring can keep it contained, and it does not typically grow aggressively.

Key Info

Scientific Name: Hypericum prolificum
Common Names: Common St. John’s Wort, Shrubby St. John’s Wort, St. John’s Wort
Family Names:
Plant Type:
Protected Plant Species: No
Light Requirement: ,
Moisture Requirement: ,
Leaf Retention: ,
Bloom Times: , , , ,
Flower Color: Yellow

Additional Info

Habit: Compact, dense, mounding, erect, multi-stemmed, rounding
Height: 1-5'
Spread: 1-4'
Leaves: Dark green leaves are oblong to elliptical, arranged in an opposite or whorled pattern
Flowers (or reproductive structures: Cymes or solitary flowers, 5 petals, 5 sepals, stamens in bundles
Fruit: Copper capsules, July-November, persists in winter.
USDA Hardiness Zone: 3-8
USDA Wetland Indicator Status in NC: FACU (Eastern Mountains and Piedmont), FAC (Atlantic and Gulf Coastal Plain)
Pollination: Winged insects
Wildlife Connections: Provides nectar for butterflies and seeds for birds
Propagation: Division, seed, softwood cuttings