Upland Bentgrass
Agrostis perennans
Found in moist to dry forests, woodlands, barrens, clearings, disturbed areas, and also in a variety of wetlands such as bogs, fens, seepage swamps, and depressions. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Alabama. How scores work Is it native here?
Profile 88%
- Height
- About 3.5 feet
- Light
- Shade, Partial sun, Full sun
- Soil moisture
- Low, Moderate, High
At a glance
- Bloom
- April to May
- Fruiting season
- August to November
Not yet recorded · Spread · Life cycle · Leaves
Recorded in 39 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forests on moist but not wet ground, such as rich slopes and ravines.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Wet, open, peaty mountain wetlands fed by seepage, often with sphagnum moss.
Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.
Who uses this plant?
14CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Agrostis
- Agriphila ruricolellusSilver Striped Webworm, Lesser Vagabond Sod Webworm, Lesser Vagabond Crambid
- Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
- Amblyscirtes vialisCommon Roadside-Skipper, Black Little Skipper
- Cercyonis pegalaCommon Wood Nymph
- Crambus praefectellusSilver Striped Webworm, Common Grass-Veneer
- Herpetogramma phaeopteralisDusky Herpetogramma Moth,
- Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
- Hylephila phyleusFiery Skipper
- Leucania pseudargyriaFalse Wainscot
- Lon zabulonZabulon Skipper
Show all 14
- Mythimna unipunctaArmyworm Moth, White Speck
- Papaipema nebrisStalk Borer
- Parapediasia teterrellusBluegrass Webworm
- Spodoptera frugiperdaFall Armyworm Moth
0BeesSoutheastern regional records
0Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Agrostis
- Ammospiza leconteiiLeConte's Sparrow
- Dendragapus obscurusDusky Grouse
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Poaceae
- Flower color
- Green
- Growth rate
- Moderate
- Growth habit
- Spreads by rhizomes
- Foliage color
- Green
- Fruit begins
- August
- Fruit ends
- November
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (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 · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Fruit ends · “November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- 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
- Height · “About 3.5 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Light · “Shade (minimum requirement); Partial sun (minimum requirement); Full sun (minimum requirement)” · Virginia DCR Piedmont · Virginia regional planting chart; sunlight is a minimum requirement, moisture is low/moderate/high
- Soil · “Low; Moderate; High” · Virginia DCR Piedmont · Virginia regional planting chart; sunlight is a minimum requirement, moisture is low/moderate/high
Also known as
Upland Bent Grass
Conservation status
| Alabama rank | SNR |
|---|---|
| Global rank | G5 |
| AL 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
- Alabama Plant Atlas
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- 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