Hypericaceae
shrubby St. John's-wort
Hypericum prolificum
Synonyms
Hypericum spathulatum
Brathys prolifica
Hypericum cryptopetalum
Myriandra prolifica
Other Common Names
common St. John's wort
Plant Type
Shrub (less than 10 ft)
Life Cycle
Perennial
Typical Size
1-5 ft. tall
1-4 ft. wide
Tolerant of
Drought
Inolerant of
Poorly Drained Soil
Propagation
By seed, By cutting
Plant Propagation Notes
Softwood cuttings are the primary propagation method.
Plant Planting Notes
Minimum of 4 foot spacing.
Plants/Diseases
No serious insect or disease problems.
Wildlife Benefits
Nectar/pollen source for pollinating insects, Fruit/seeds for birds
Leaves
The simple, opposite or whorled leaves are elliptical, linear, or oblong with entire leaf margins. Approximately 3 inches long by 1 inch (or less) wide.
Flowers
Two to three flowers grow from apical nodes along the stem. Each flower is 3/4-1 inch wide and has 4-5 petals.
Fruit
Small, 1/2 inch brown/copper capsules.
Bark
Light brown and exfoliating.
USDA Hardiness Zones
3, 4, 5, 6, 7, 8
Light Exposure
Full Sun, Part Sun/Shade
Soil Moisture
Medium, Moist
Soil Drainage
Well-drained
Soil pH
Acidic (less than 6.0), Neutral (6.0-8.0), Basic (greater than 8.0)
Native in South Carolina?
Yes
Plant Native Habitat
Bogs, seepages, dry rocky forests, rock outcrops, riverside prairies.
Global Conservation Status (NatureServe)
Secure (G5)
Federal Conservation Status (USFWS)
Not Listed
Distribution Notes
Common in the SC Mountains and Piedmont, and rare in the Coastal Plain