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Cornell University

Species: Hypericum prolificum

(hye-per'i-kum pro-lif'i-kum)

Hypericum prolificum

Shrubby St. Johnswort

Found on Course Walks

Dogwood & Common Shrubs

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

Woody Shrubs for Storm Water Retention

Cultivars

No cultivars listed

Ornamental Characteristics

Shrub < 4 feet, Groundcover

1' - 4' (equal spread)

Deciduous

dense shrub with stiff, erect stems

full sun to part shade; tolerant of dry, rocky, heavy soils

Environmental Characteristics

Full sun

4b

Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

bright yellow flowers in June/Aug; bright green leaves provide fine texture

Consistently moist, well-drained soil; Occasional periods of dry soil; Prolonged periods of dry soil
See graphic below

Insect Disease

relatively trouble free; wilt may be a problem

Bare Root Transplanting


Other

best transplanted from container. Native in US in mid Atlantic states west to Iowa, south to Georgia

Native Range Map

Native Range Map Image

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic
Occasionally saturated or very wet soil
Consistently moist, well-drained soil
Occasional periods of dry soil
Prolonged periods of dry soil
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