Quercus

Greater Marsh St. John's-wort

Triadenum walteri

Native to Georgia (estimated)

Ecological relationships

Who uses this plant?

17CaterpillarsGenus host records with ranges including GA

Genus host records with ranges including GA · Hypericum

  • Acleris maculidorsanaStained-Back Leafroller Moth
  • Choristoneura rosaceanaOblique-Banded Leafroller Moth, Rosaceous Leaf Roller
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Hyppa xylinoidesCommon Hyppa
  • 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
  • Phlogophora irisOlive Angle Shades
Show all 17
  • Platynota flavedanaBlack-Shaded Platynota
  • Probole amicariaFriendly Probole
  • 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
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Triadenum

  • Aix sponsaWood Duck
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Hypericaceae
Flower color
White, pink or green

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

Growing sources and scope
Also known as

Greater Marsh St. John's wort; Greater Marsh St. Johnswort; Hypericum walteri; john's wort; john's-wort

Conservation status

Georgia rankNot available
Global rankG5
GA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources