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Bruso, George H.
Hypericum prolificum L.
Shrubby St. Johnswort
Clusiaceae (St. John's-Wort Family)
Synonyms: Hypericum spathulatum
USDA Symbol: HYPR
USDA Native Status: Native to U.S.
Shrubby St. John’s-wort is a very small, mound-shaped, deciduous shrub, to 3 ft. tall, with dense, upright branching and exfoliating, red to purple bark. Smooth, dark- to blue-green, fine-textured foliage becomes yellow-green in fall. Large, yellow flowers occur singly or in few-flowered clusters. A dry, dehiscent, three-valved capsule persists all winter.
This shrub adapts to a variety of moisture regimes and is even flood tolerant. It has no serious disease or insect problems. This species is pH adaptable but does extremely well in calcareous sites.
Bloom Information
Bloom Color: YellowBloom Time: Jun , Jul , Aug
Distribution
USA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WI , WVCanada: ON , QC
Native Distribution: NY to s. MI & IA, s. to GA, LA & OK
Native Habitat: Sandy, open woods; meadows; seepage slopes
USDA Native Status: L48(N), CAN(N)
Growing Conditions
Water Use: HighLight Requirement: Part Shade , Shade
Soil Moisture: Dry , Moist
Soil pH: Circumneutral (pH 6.8-7.2)
CaCO3 Tolerance: Low
Soil Description: Dry, rocky soils.
Benefit
Use Wildlife: Intermediate.Conspicuous Flowers: yes
Propagation
Description: Seeds can be used for propagation but softwood cuttings, which root easily, are the usual method.Seed Collection: Not Available
Seed Treatment: Seeds require no special treatment.
Commercially Avail: yes
Mr. Smarty Plants says
Groundcover to reduce erosion for shady area in New York
May 05, 2009
We live on a lake with gravelly and clay soils, lots of wind and little sun. I am looking for a native ground cover that will help reduce erosion over some of the steep slopes facing south (under shad...
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Native shrub to replace non-native azaleas.
February 10, 2009
I want to replace my two dozen azaleas this spring (I think they're unattractive once the flowers fall off). I like the multiseason characteristics of weigela (midnight wine, W&R), but want to go na...
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Evergreen native shrubs for poor drainage area in Cedar Hill, TX
March 21, 2008
Hi! I have one (big!) bed in on the front of my house. Due to the way the house/motorcourt is built, that area (when it rains as much as it did last year!) doesn't drain well. I now have to replac...
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From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:LAMTREE FARM - Warrensville, NC
Bibliography
* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.Search More Titles in Bibliography
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species pageAdditional resources
USDA: Find Hypericum prolificum in USDA PlantsFNA: Find Hypericum prolificum in the Flora of North America (if available)
Google: Search Google for Hypericum prolificum
Metadata
Record Modified: 2012-12-07Research By: TWC Staff
