Eastern Gamagrass
Tripsacum dactyloides
Native to Louisiana (estimated). How scores work Is it native here?
Profile 100%
- Height
- 4–6 feet
- Spread
- 2–4 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
Space about 3 ft apart from its recorded spread, about 11 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Bloom
- Early summer
- Fruiting season
- Summer to fall
Not yet recorded · Life cycle · Leaves
Recorded in 41 Louisiana parishes.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 72 animals.
- American AvocetRecurvirostra americana
- American BitternBotaurus lentiginosus
- American KestrelFalco sparverius
- American RobinTurdus migratorius
- American White PelicanPelecanus erythrorhynchos
- American WoodcockScolopax minor
- Bank SwallowRiparia riparia
- Black-bellied PloverPluvialis squatarola
- Black-crowned Night-heronNycticorax nycticorax
- Bonaparte's GullChroicocephalus philadelphia
- Brewer's BlackbirdEuphagus cyanocephalus
- Canada GooseBranta canadensis
- Chimney SwiftChaetura pelagica
- Chipping SparrowSpizella passerina
- Cliff SwallowPetrochelidon pyrrhonota
- Common Ground-doveColumbina passerina
- Common NighthawkChordeiles minor
- Common YellowthroatGeothlypis trichas
- Cooper's HawkAccipiter cooperii
- DickcisselSpiza americana
- Eastern KingbirdTyrannus tyrannus
- Eurasian Collared-doveStreptopelia decaocto
- Grasshopper SparrowAmmodramus savannarum
- Great Blue HeronArdea herodias
Who uses this plant?
3CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Tripsacum
- Atrytone byssusByssus Skipper, Golden Skipper
- Diatraea crambidoidesSouthern Cornstalk Borer
- Lerema acciusClouded Skipper, Corn Leaf tier
1BeesSoutheastern regional records
Southeastern regional records · Tripsacum
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 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Poaceae
- Hardiness
- Zones 6a–9a
- Soil pH
- Acidic to neutral
- Flower color
- Brown/copper, green or red
- Growth rate
- Rapid
- Growth habit
- Grows in clumps
- 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 · “Early summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Brown/copper, green or red” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- 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 · “Grows in clumps” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 6a–9a” · NC Extension Plant Toolbox
- Height · “4–6 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, USDA PLANTS differ)
- 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, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- Soil · “Moist; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- Soil pH · “Acidic to neutral” · NC Extension Plant Toolbox
- Spread · “2–4 feet” · NC Extension Plant Toolbox
Also known as
Gama Grass
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | G5 |
| LA 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.
Growing cautions
- Spreads by rhizomes. Will naturalize by self-seeding and by thick creeping rhizomes. Tennessee Smart Yards
For planning only; these do not change the score or Fit.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Louisiana 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

























