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Northern Bentgrass

Agrostis mertensii

Found in thin soil of high elevation rocky summits; also in riverside flood scour areas at much lower elevations. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

46
Good

Native to West Virginia. How scores work Is it native here?

Profile 94%

Height
Up to about 20 inches
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

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

Life cycle
Perennial
Bloom
July to August

Not yet recorded · Spread · Leaves

Recorded in 2 West Virginia counties.

Natural habitats

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

Cliffs, ledges and rocky summits

Cliffs, ledges, rock outcrops, talus and rocky summits where the source does not name the rock. A named rock files the place under its own glade or outcrop type instead.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 39 animals.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

20CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · 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
  • Apamea sordensBordered Apamea, Rustic Shoulder-Knot
  • Cercyonis pegalaCommon Wood Nymph
  • Chrysoteuchia topiariusCranberry Girder, Subterranean Webworm, Topiary Grass-Veneer
  • Crambus praefectellusSilver Striped Webworm, Common Grass-Veneer
  • Ctenucha virginicaVirginia Ctenucha
  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Hylephila phyleusFiery Skipper
Show all 20
  • Leucania pseudargyriaFalse Wainscot
  • Limochores mysticLong Dash
  • Lon zabulonZabulon Skipper
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Papaipema nebrisStalk Borer
  • Parapediasia teterrellusBluegrass Webworm
  • Photedes defectaNarrow-Winged Borer
  • Spodoptera frugiperdaFall Armyworm Moth
  • Trichordestra legitimaStriped Garden Caterpillar Moth
  • Elachista illectella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

Growing and identification

Plant details

Family
Poaceae
Flower color
Green or purple
Growing sources and scope
Also known as

Agrostis borealis

Conservation status

West Virginia rankS1
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources