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Pineweed

Hypericum gentianoides

In the Carolinas and Georgia, found in fields, rock outcrops, woodland borders, eroding areas, pond margins, pine flatwoods. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

66
Strong

Native to Louisiana (estimated). How scores work Is it native here?

Profile 100%

Height
About 2 feet
Light
Partial shade, Full sun
Soil moisture
Dry to wet
Will it fit your yard?

At a glance

Bloom
July to October
Fruiting season
Summer to fall

Not yet recorded · Spread · Life cycle · Leaves

Recorded in 27 Louisiana parishes.

Natural habitats

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

1 of 5

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

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 edges and thickets

Borders of forests, clearings and shrubby thickets.

Ponds, lakes and their shores

Still water and its edges: ponds, lakes, millponds and reservoirs.

Pine flatwoods

Flat, sandy Coastal Plain pine woodlands, wetter than sandhills and denser than savannas.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 67 animals.

All wildlife of Louisiana

Ecological relationships

Who uses this plant?

What these records mean

14CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · 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 14
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Tallula watsoniWatson's Tallula
  • Zale lunataLunate Zale
  • 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
Growth rate
Rapid
Growth habit
Single crown
Foliage color
Green
Fruit begins
Summer
Fruit ends
Fall

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

Growing sources and scope
Also known as

Orange Grass

Conservation status

Louisiana rankSNR
Global rankG5
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources