Golden St. John's-wort
Hypericum frondosum
Found in rock outcrops and rocky woodlands; also in dry disturbed areas. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Mississippi. How scores work Is it native here?
Profile 100%
- Height
- 3–4 feet
- Spread
- 3–4 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
Space about 3.5 ft apart from its recorded spread, about 8 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Woody perennial
- Leaves
- Semi-evergreen or evergreen
- Bloom
- May to August
Recorded in 5 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Cliffs, ledges and rocky summits
Cliffs, ledges, rock outcrops, talus and rocky summits where the source does not name the rock. A named rock files the place under its own glade or outcrop type instead.
Forest or woodland where the source does not say how moist or dry.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
17CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · Hypericum
- Acleris maculidorsanaStained-Back Leafroller Moth
- Choristoneura rosaceanaOblique-Banded Leafroller Moth, Rosaceous Leaf Roller
- Eupithecia miserulataCommon Eupithacia, Common Pug
- Iodopepla u-albumBurgundy St. Johnswort Moth, White-Eyed Borer
- Iridopsis ephyrariaPale-Winged Gray
- Mocis latipesSmall Mocis, Striped Grass Looper
- Nedra ramosulaGray Half-Spot
- Nemoria bistriariaTwo-Striped Emerald, Red-Fringed Emerald
- Platynota flavedanaBlack-Shaded Platynota
- Probole amicariaFriendly Probole
Show all 17
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
- Synchlora aerataWavy-Lined Emerald, Camouflaged Looper
- Tallula watsoniWatson's Tallula
- Zale lunataLunate Zale
- Caloptilia hypericella
- Fomoria hypericella
- Xenotemna pallorana
43BeesSoutheastern regional records
Southeastern regional records · Hypericum
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Hypericum
- Aythya collarisRing-necked Duck
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Hypericaceae
- Hardiness
- Zones 5a–8b
- Soil pH
- Neutral
- Flower color
- Yellow
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Late May to August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Yellow” · NC Extension Plant Toolbox
- Hardiness · “Zones 5a–8b” · NC Extension Plant Toolbox
- Height · “3–4 feet” · NC Extension Plant Toolbox
- Leaves · “Semi-evergreen or evergreen” · NC Extension Plant Toolbox
- Life cycle · “Woody perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards differs)
- primary_flower_color · “yellow” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards differs)
- Soil pH · “Neutral” · NC Extension Plant Toolbox
- Spread · “3–4 feet” · NC Extension Plant Toolbox
Also known as
Cedar Glade St. Johnswort; Golden St. John's wort; Golden St. Johnswort
Conservation status
| Mississippi rank | SNR |
|---|---|
| Global rank | G4 |
| MS status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Weakley, Flora of the Southeastern United States (2025), South Central edition
- USDA PLANTS
- Mississippi occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

