Bosc's Witchgrass
Dichanthelium boscii
Found in forests and woodlands; dry forests and woodlands; roadsides, fields and disturbed ground; moist forests; floodplain and bottomland forests. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 88%
- Height
- Up to about 2.5 feet
- Light
- Partial shade, Full shade, Full sun
- Soil moisture
- Dry to moist
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At a glance
- Life cycle
- Perennial
- Bloom
- April to September
Not yet recorded · Spread · Leaves
Recorded in 99 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forest or woodland where the source does not say how moist or dry.
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.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 142 animals.
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Black-capped ChickadeePoecile atricapillus
- Broad-winged HawkButeo platypterus
- Brown ThrasherToxostoma rufum
- Carolina ChickadeePoecile carolinensis
- Carolina WrenThryothorus ludovicianus
- Cerulean WarblerDendroica cerulea
- Chipping SparrowSpizella passerina
- Common RavenCorvus corax
- Eastern BluebirdSialia sialis
- Fox SparrowPasserella iliaca
- Golden-winged WarblerVermivora chrysoptera
- Hermit ThrushCatharus guttatus
- Northern CardinalCardinalis cardinalis
- Northern ParulaParula americana
- Northern Saw-whet OwlAegolius acadicus
- Orange-crowned WarblerVermivora celata
- OvenbirdSeiurus aurocapilla
- Pileated WoodpeckerDryocopus pileatus
- Red-bellied WoodpeckerMelanerpes carolinus
- Ruffed GrouseBonasa umbellus
- Summer TanagerPiranga rubra
- White-eyed VireoVireo griseus
Who uses this plant?
26CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Panicum
- Anatrytone loganDelaware Skipper, Logan Skipper, Black-Vein Skipper
- Ancyloxypha numitorLeast Skipper
- Dargida diffusaWheat Head Armywotm Moth
- Dargida rubripennisThe Pink-Streak
- Dichagyris acclivisSwitchgrass Dart, Inclined Dart
- Haimbachia albescensSilvered Haimbachia
- Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
- Hesperia sassacusIndian Skipper
- Hylephila phyleusFiery Skipper
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
Show all 26
- Lerema acciusClouded Skipper, Corn Leaf tier
- Lethe anthedonNorthern Pearly Eye
- Leucania adjutaAdjutant Wainscot
- Leucania linitaReed Wainscot, Linen Wainscot
- Lon hobomokHobomok Skipper
- Marimatha nigrofimbriaBlack-Bordered Lemon
- Mocis texanaTexas Mocis
- Mythimna unipunctaArmyworm Moth, White Speck
- Panoquina ocolaOcola Skipper, Long-Winged Skiiper
- Papaipema nebrisStalk Borer
- Poanes viatorBroad-Winged Skipper
- Polites egeremetNorthern Broken-Dash
- Polites themistoclesTawny-Edged Skipper
- Spodoptera frugiperdaFall Armyworm Moth
- Elachista radiantella
- Idioglossa miraculosa
0BeesSoutheastern regional records
0Specialist beesPollen specialists
35BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Panicum
- Acanthis flammeaCommon Redpoll
- Agelaius phoeniceusRed-winged Blackbird
- Aix sponsaWood Duck
- Anas creccaGreen-winged Teal
- Anthus rubescensAmerican Pipit
- Anthus spragueiiSprague's Pipit
- Aythya collarisRing-necked Duck
- Calcarius lapponicusLapland Longspur
- Calcarius ornatusChestnut-collared Longspur
- Calcarius pictusSmith's Longspur
Show all 35
- Callipepla gambeliiGambel's Quail
- Colinus virginianusNorthern Bobwhite
- Columbina passerinaCommon Ground Dove
- Contopus virensEastern Wood-Pewee
- Cyrtonyx montezumaeMontezuma Quail
- Dendrocygna bicolorFulvous Whistling-Duck
- Dolichonyx oryzivorusBobolink
- Fulica americanaAmerican Coot
- Gallinula galeataCommon Gallinule
- Junco hyemalisDark-eyed Junco
- Mareca streperaGadwall
- Meleagris gallopavoWild Turkey
- Molothrus aterBrown-headed Cowbird
- Passer domesticusHouse Sparrow
- Peucaea aestivalisBachman's Sparrow
- Plectrophenax nivalisSnow Bunting
- Pooecetes gramineusVesper Sparrow
- Porzana carolinaSora
- Quiscalus quisculaCommon Grackle
- Sialia sialisEastern Bluebird
- Spizella passerinaChipping Sparrow
- Spizella pusillaField Sparrow
- Turdus migratoriusAmerican Robin
- Xanthocephalus xanthocephalusYellow-headed Blackbird
- Zenaida macrouraMourning Dove
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 or brown
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 2.5 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Boscs Panic Grass; Boscs Witch Grass; Panicum boscii; panicgrass
Conservation status
| Virginia rank | S5 |
|---|---|
| Global rank | G5 |
| VA 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.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Northern Tier edition
- 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