Dwarf St. John's-wort
Hypericum mutilum
69
Strong
Native to West Virginia. How scores work Is it native here?
Profile 100%
- Height
- About 2.6 feet
- Light
- 2 or more hours of direct sun
- Soil moisture
- Average to wet
At a glance
- Bloom
- Mid summer
- Fruiting season
- Summer to fall
Not yet recorded · Spread · Life cycle · Leaves
Recorded in 20 West Virginia counties.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 119 animals.
- Acadian FlycatcherEmpidonax virescens
- Alder FlycatcherEmpidonax alnorum
- American Black DuckAnas rubripes
- American CootFulica americana
- American CrowCorvus brachyrhynchos
- American GoldfinchCarduelis tristis
- American KestrelFalco sparverius
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- American WoodcockScolopax minor
- Baltimore OrioleIcterus galbula
- Bank SwallowRiparia riparia
- Barred OwlStrix varia
- Belted KingfisherMegaceryle alcyon
- Bewick's WrenThryomanes bewickii
- Black VultureCoragyps atratus
- Black-and-White WarblerMniotilta varia
- Black-billed CuckooCoccyzus erythropthalmus
- Black-capped ChickadeePoecile atricapillus
- Black-crowned Night-heronNycticorax nycticorax
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Blue-winged WarblerVermivora pinus
Ecological relationships
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
Growing and identification
Plant details
- Family
- Hypericaceae
- Flower color
- Yellow
- Growth rate
- Moderate
- Growth habit
- Single crown
- Foliage color
- Green
- Fruit begins
- Summer
- Fruit ends
- Fall
What its natural habitat tells you
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Mid summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Yellow” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Single crown” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 2.6 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- primary_flower_color · “yellow” · USDA PLANTS
Also known as
Dwarf St. John's wort; Dwarf St. Johnswort
Conservation status
| West Virginia rank | S5 |
|---|---|
| Global rank | G5 |
| WV status | Not verified |
| Federal status | Not verified |
In your garden
Will it fit your yard?
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Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- 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