Bushy St. John's-wort
Hypericum densiflorum
Found in bogs, streambanks, dry to moist forests, rock outcrops, moist forests, pine savannas. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to West Virginia. How scores work Is it native here?
Profile 100%
- Height
- 2–7 feet
- Spread
- 3–6 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
Space about 4.5 ft apart from its recorded spread, about 5 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Leaves
- Deciduous
- Bloom
- June to September
- Fruiting season
- Spring to summer
Recorded in 15 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Forests on moist but not wet ground, such as rich slopes and ravines.
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.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 129 animals.
- Eastern TowheePipilo erythrophthalmus
- Gray CatbirdDumetella carolinensis
- Great Blue HeronArdea herodias
- Great EgretArdea alba
- Great Horned OwlBubo virginianus
- Green HeronButorides virescens
- Hooded MerganserLophodytes cucullatus
- Indigo BuntingPasserina cyanea
- Mourning DoveZenaida macroura
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Orchard OrioleIcterus spurius
- Purple FinchCarpodacus purpureus
- Red-tailed HawkButeo jamaicensis
- Red-winged BlackbirdAgelaius phoeniceus
- Sharp-shinned HawkAccipiter striatus
- Spotted SandpiperActitis macularius
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
- VeeryCatharus fuscescens
- White-breasted NuthatchSitta carolinensis
- Willow FlycatcherEmpidonax traillii
- Wood DuckAix sponsa
Who uses this plant?
22CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Hypericum
- Acleris maculidorsanaStained-Back Leafroller Moth
- Choristoneura rosaceanaOblique-Banded Leafroller Moth, Rosaceous Leaf Roller
- Dejongia lobidactylusLobed Plume Moth
- Eupithecia miserulataCommon Eupithacia, Common Pug
- Hyppa xylinoidesCommon Hyppa
- Iodopepla u-albumBurgundy St. Johnswort Moth, White-Eyed Borer
- Iridopsis ephyrariaPale-Winged Gray
- Melanchra assimilisBlack Arches
- Mocis latipesSmall Mocis, Striped Grass Looper
- Nedra ramosulaGray Half-Spot
Show all 22
- Nemoria bistriariaTwo-Striped Emerald, Red-Fringed Emerald
- Nemoria tuscaroraAppalachian Emerald
- Phlogophora irisOlive Angle Shades
- Platynota flavedanaBlack-Shaded Platynota
- Probole amicariaFriendly Probole
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
- Synchlora aerataWavy-Lined Emerald, Camouflaged Looper
- Xestia c-nigrumSpotted Cut-Worm, Setaceous Hebrew Character, Lesser Black-letter Dart
- Zale lunataLunate Zale
- Agonopterix lythrella
- Caloptilia 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
0Specialist beesPollen specialists
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 3a–8b
- Soil pH
- Acidic
- Flower color
- Yellow
- Growth rate
- Slow
- Growth habit
- Several stems
- Foliage color
- Green
- Fruit begins
- Spring
- Fruit ends
- Summer
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “June to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Yellow” · NC Extension Plant Toolbox
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Several stems” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Slow” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 3a–8b” · NC Extension Plant Toolbox
- Height · “2–7 feet” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “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” · USDA PLANTS
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards differs)
- Soil pH · “Acidic” · NC Extension Plant Toolbox
- Spread · “3–6 feet” · NC Extension Plant Toolbox
Also known as
Bushy St. John's wort; Bushy St. Johnswort; Mountain St. Johnswort
Conservation status
| West Virginia rank | S4 |
|---|---|
| Global rank | G5 |
| WV 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
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- West Virginia 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