Shrubby St. John's Wort
Hypericum prolificum
Pickup currently unavailable at Aiken Nursery
Hypericum prolificum lives up to the name, prolific, disappearing each summer under a heavy crop of bright yellow flowers, each three-quarters of an inch to an inch across and stuffed with a golden brush of stamens. The shrub is dense and rounded, with arching branches, narrow shiny leaves, and reddish, exfoliating bark that peels to show paler layers once the foliage thins.
The name reads as a promise of abundance, and the old common name St. John's Wort ties the shrub to a long line of yellow-flowered kin gathered at the Midsummer feast of Saint John; the genus name Hypericum, from the Greek hyper and eikon, above and image, remembers sprigs hung over doorways and holy pictures to guard the house. The native American species carried something of that reputation into practice: the Cherokee used shrubby St. John's Wort and relatives as astringent and wound herbs and in remedies for respiratory complaints, a folk tradition set out more fully in the notes below.
Few native shrubs are so obliging. Hypericum prolificum ranges across the eastern United States from New York and Ontario south and west, at home on rocky ground and dry wooded slopes, in old fields, on gravel bars, and in low, moist valleys, and hardy from the cold of USDA zone three through the heat of zone eight. That breadth of tolerance, drought, brief flooding, poor rocky or sandy or clay soil, even a little salt, makes the shrub one of the toughest woody plants a gardener can choose.
For all that reliability the shrub is oddly scarce in gardens, a gap Woodlanders has long worked to close. Dr. Michael Dirr put the case plainly in his Manual of Woody Landscape Plants: "I do not believe the Hypericums have been adequately explored and developed as landscape plants in the United States." Set shrubby St. John's Wort in a sunny, well-drained border, a low hedge, or a tough bank, and the summer-long gold, tidy rounded form, and peeling bark answer his complaint. Little bluestem, aromatic aster, and other sun-loving natives round out the planting.
- Hardiness
- USDA Zones 3–8
- Sun
- Full Sun, Part Shade
- Soil
- Well-drained
- Mature size
- Height 3–5 Feet · Spread 3–5 Feet
- Growth rate
- Fast
- Seasonality
- Semi-Evergreen
.75 to 1 inch diameter, bright yellow, summer
These statements have not been evaluated by the Food and Drug Administration. This information is shared for traditional and educational interest only and is not intended to diagnose, treat, cure, or prevent any disease. Please consult a qualified healthcare professional before any medicinal use.
- Some Hypericum species can cause photosensitivity
- Recorded for historical interest only
- Consult a qualified healthcare provider before any use
From rooting to shipping, our top priority is ensuring you receive healthy, thriving plants for your garden’s success.
Because most of our plants are grown from rooted cuttings — alongside seed, air layering, and grafting chosen for each variety — you receive a stronger, true-to-type plant that establishes quickly in your garden.
Raised on organic soil blends and eco-friendly pest management — never harsh chemicals — your plant arrives healthy for your garden, your family, and the pollinators they feed.
Every purchase gives back. We donate to the Aiken Arboretum and support local wildlife conservation, so growing your garden helps protect the wider ecosystem too.
All our plant material is carefully propagated, grown, and nurtured at our humble nursery in Aiken, South Carolina.
Your plant arrives carefully packed and ready to settle in. Unpack them promptly, give them a day or two to acclimate, then plant following the notes we include — that’s all it takes. Clear care guidance comes with every order, so success is the easy part.
What to expect upon delivery
All our plants are sold in 1-gallon sizes, though the height of each plant can vary depending on its growth rate and seasonality, typically ranging from 1/2 to 2.5 feet.
Each plant is carefully packaged with its roots enclosed in a secure plastic bag containing moist soil, forming a compact root ball. To ensure safe transport, the box is padded with recycled newspaper, providing both stability and eco-friendly protection from weather during shipping.
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