Longspike Fluffgrass
Tridens strictus
Found in sandhills; pine savannas; oak savannas and openings; forests and woodlands; freshwater marshes; swamps; roadsides, fields and disturbed ground. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. 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?No photograph yet. Looking for an old drawing…
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Bloom
- August to November
- Fruiting season
- Summer to fall
Not yet recorded · Life cycle · Leaves
Recorded in 4 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.



Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.
Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.
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.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
7CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Tridens
- Cercyonis pegalaCommon Wood Nymph
- Dargida diffusaWheat Head Armywotm Moth
- Heliocheilus paradoxusParadoxical Grass Moth
- Lerema acciusClouded Skipper, Corn Leaf tier
- Limochores origenesCrossline Skipper
- Lon zabulonZabulon Skipper
- Vernia vernaLittle Glassywing
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
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
Growing sources and scope
- Bloom · “August to November” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- 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 · “Spreads by rhizomes” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 5–9” · Missouri Botanical Garden Plant Finder
- Height · “About 4.9 feet” · USDA PLANTS (ranked first; Missouri Botanical Garden Plant Finder differs) · Nationwide species characteristics; local growing conditions may vary
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Spread · “1.5–2.5 feet” · Missouri Botanical Garden Plant Finder
Also known as
Long Spike Triden
Conservation status
| Florida rank | S2S3 |
|---|---|
| Global rank | G5 |
| FL 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. USDA PLANTS lists its growth form as rhizomatous. USDA PLANTS
For planning only; these do not change the score or Fit.
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- NatureServe Explorer
- 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

