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Longspike Fluffgrass

Tridens strictus

In the Carolinas and Georgia, found in sandhills; pine savannas; oak savannas and openings; forests and woodlands; freshwater marshes; swamps; roadsides, fields and disturbed ground. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

31
Good

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

Profile 94%

Height
About 4.9 feet
Spread
1.5–2.5 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist

Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Bloom
August to November
Fruiting season
Summer to fall

Not yet recorded · Life cycle · Leaves

Recorded in 49 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 7

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Pine savannas

Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.

Oak savannas and openings

Open-grown oaks over grass and wildflowers, kept open by fire or thin soil; not the treeless prairies or the Coastal Plain's pine savannas.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

Freshwater marshes

Open, herb-covered wetlands with fresh, non-tidal water.

Swamps

Forested wetlands with standing water much of the year, such as cypress and gum swamps.

Roadsides, fields and disturbed ground

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

All habitats

Ecological relationships

Who uses this plant?

What these records mean

9CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Tridens

  • Cercyonis pegalaCommon Wood Nymph
  • Dargida diffusaWheat Head Armywotm Moth
  • Heliocheilus lupatusLupatus Straw Moth, Purple-Top Sun Moth
  • Heliocheilus paradoxusParadoxical Grass Moth
  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Lerema acciusClouded Skipper, Corn Leaf tier
  • Limochores origenesCrossline Skipper
  • Lon zabulonZabulon Skipper
  • Vernia vernaLittle Glassywing
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

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

Growing and identification

Plant details

Family
Poaceae
Hardiness
Zones 5–9
Flower color
Green
Growth rate
Moderate
Growth habit
Spreads by rhizomes
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

Long Spike Triden

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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How to check your spot

Growing cautions

  • Spreads by rhizomes. USDA PLANTS lists its growth form as rhizomatous. USDA PLANTS

For planning only; these do not change the score or Fit.

Sources