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Longspike Fluffgrass

Tridens strictus

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), South Central edition What its natural habitat tells you

31
Good

Native to Mississippi (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 38 Mississippi counties.

Natural habitats

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

1 of 7

Oak savannas and openings

Catoosa Savanna, 11 July 2012
Oak savanna: open-grown oaks over grass. Shown: Catoosa Savanna, Tennessee, a neighboring state.Catoosa Savanna, 11 July 2012, Mason Brock (Masebrock), undated. Public domain. Source record.

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.

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 MS

Genus host records with ranges including MS · Tridens

  • Cercyonis pegalaCommon Wood Nymph
  • Dargida diffusaWheat Head Armywotm 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 hobomokHobomok 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

Mississippi rankSNR
Global rankG5
MS 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