Dallis-grass
Paspalum dilatatum
Found in roadsides, fields, disturbed areas. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
—
Not native
Not native to Virginia. How scores work Is it native here?
Profile 82%
- Height
- About 3 feet
- Light
- Dappled sunlight, Full sun, Partial shade
- Soil moisture
- Usually moist
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At a glance
- Life cycle
- Perennial
- Bloom
- May to November
- Fruiting season
- Spring to summer
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Not yet recorded · Spread · Leaves
Recorded in 68 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 78 animals.
- Cooper's HawkAccipiter cooperii
- Dark-eyed JuncoJunco hyemalis
- Double-crested CormorantPhalacrocorax auritus
- Downy WoodpeckerPicoides pubescens
- Eastern BluebirdSialia sialis
- Eastern KingbirdTyrannus tyrannus
- Eastern PhoebeSayornis phoebe
- Eastern Screech-owlMegascops asio
- Eastern Wood-peweeContopus virens
- Eurasian Collared-doveStreptopelia decaocto
- European StarlingSturnus vulgaris
- Fish CrowCorvus ossifragus
- Golden-crowned KingletRegulus satrapa
- Great Crested FlycatcherMyiarchus crinitus
- Great EgretArdea alba
- Great Horned OwlBubo virginianus
- Green HeronButorides virescens
- Hairy WoodpeckerPicoides villosus
- Henslow's SparrowAmmodramus henslowii
- Hermit ThrushCatharus guttatus
- Hooded MerganserLophodytes cucullatus
- Loggerhead ShrikeLanius ludovicianus
- Mourning DoveZenaida macroura
- Northern BobwhiteColinus virginianus
Ecological relationships
Who uses this plant?
14CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Paspalum
- Anicla infectaGreen Cutworm Moth
- Elasmopalpus lignosellaLesser Cornstalk Borer
- Hylephila phyleusFiery Skipper
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
- Lerema acciusClouded Skipper, Corn Leaf tier
- Lerodea eufalaEufala Skipper, Gray Skipper, Rice Leafroller
- Limochores mysticLong Dash
- Mocis texanaTexas Mocis
- Mythimna unipunctaArmyworm Moth, White Speck
- Polites othoSouthern Broken-Dash, Broken-Dash Skipper
Show all 14
- Redectis vitreaWhite-Spotted Redactis
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
- Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
—BeesSoutheastern regional records
—Specialist beesPollen specialists
17BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Paspalum
- Agelaius phoeniceusRed-winged Blackbird
- Aix sponsaWood Duck
- Anthus rubescensAmerican Pipit
- Colinus virginianusNorthern Bobwhite
- Columbina passerinaCommon Ground Dove
- Cyrtonyx montezumaeMontezuma Quail
- Dolichonyx oryzivorusBobolink
- Gallinula galeataCommon Gallinule
- Meleagris gallopavoWild Turkey
- Molothrus aterBrown-headed Cowbird
Show all 17
- Plectrophenax nivalisSnow Bunting
- Porzana carolinaSora
- Quiscalus mexicanusGreat-tailed Grackle
- Quiscalus quisculaCommon Grackle
- Rallus elegansKing Rail
- Tympanuchus pallidicinctusLesser Prairie-Chicken
- 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
Growing and identification
Plant details
- Family
- Poaceae
- Hardiness
- Zones 6a–9b
- Flower color
- Yellow
- Growth rate
- Moderate
- Growth habit
- Grows in clumps
- Foliage color
- Green
- Fruit begins
- Spring
- Fruit ends
- Summer
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Yellow” · NC Extension Plant Toolbox
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Grows in clumps” · 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 6a–9b” · NC Extension Plant Toolbox
- Height · “About 3 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Dappled sunlight (shade through upper canopy all day); Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Occasionally wet” · NC Extension Plant Toolbox
Also known as
Dallis Grass
Conservation status
| Virginia rank | SNA |
|---|---|
| Global rank | GNR |
| VA status | Not verified |
| Federal status | Not verified |
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- 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