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Early St. John's-wort

Hypericum nudiflorum

Found in streambanks, moist forests, swamps, wet coastal prairies. FloraQuest, phone app (app page) What its natural habitat tells you

70
Strong

Native to Florida. How scores work Is it native here?

Profile 71%

Soil moisture
Average to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
June to July

Not yet recorded · Height · Spread · Light · Leaves

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 9 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 4

Swamps

Loblolly bay in a coastal swamp
Regional / representative. Shown: Southern coastal swamps, Florida to Virginia; state not identified, a neighboring state.Loblolly bay in a coastal swamp, Marian Ellis Rowan, 1901. Public domain. Source record.

Prairies and grasslands

Grand Prairie, Coosa Valley Prairies, Floyd County
Limestone prairie. Shown: Grand Prairie, Coosa Valley Prairies, Floyd County, Georgia, a neighboring state.Grand Prairie, Coosa Valley Prairies, Floyd County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Streams, rivers and their banks

Flowing water and its banks, bars and rocky shoals.

Moist forests

Forests on moist but not wet ground, such as rich slopes and ravines.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

15CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · 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 15
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Tallula watsoniWatson's Tallula
  • Zale lunataLunate Zale
  • Coleotechnites nigritus
  • Xenotemna pallorana
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Early St. John's wort; Early St. Johnswort

Conservation status

Florida rankSNR
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources