Do not plant. Listed invasive in Kentucky.
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Ecological relationships
Who uses this plant?
23CaterpillarsGenus host records with ranges including KY
Genus host records with ranges including KY · Elymus
- Amblyscirtes vialisCommon Roadside-Skipper, Black Little Skipper
- Ancyloxypha numitorLeast Skipper
- Apamea devastatorGlassy Borer, Glassy Cutworm Moth
- Apamea lignicoloraWood-Colored Apamea
- Cercyonis pegalaCommon Wood Nymph
- Clepsis persicanaWhite Triangle Tortrix
- Dargida diffusaWheat Head Armywotm Moth
- Helcystogramma hystricellaLanceolate Helcystogramma, Lanceolate Moth
- Lethe anthedonNorthern Pearly Eye
- Leucania commoidesDusky Wainscot, Comma Wainscot
Show all 23
- Leucania multilineaMany-Lined Wainscot
- Leucania phragmitidicolaNeedle Wainscot, Phragmites Wainscot
- Leucania pseudargyriaFalse Wainscot
- Lon zabulonZabulon Skipper
- Loscopia velataVeiled Ear Moth, Veiled Grass Moth
- Mythimna unipunctaArmyworm Moth, White Speck
- Nephelodes miniansBronzed Cutworm
- Papaipema cataphractaBurdock Border, Potato-Stalk Borer
- Papaipema nebrisStalk Borer
- Polites themistoclesTawny-Edged Skipper
- Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
- Spodoptera frugiperdaFall Armyworm Moth
- Elachista illectella
4BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Elymus
- Alectoris chukarChukar
- Anser albifronsGreater White-fronted Goose
- Perdix perdixGray Partridge
- Plectrophenax nivalisSnow Bunting
Growing and identification
Plant details
- Family
- Poaceae
- Flower color
- Yellow
- Growth rate
- Rapid
- Growth habit
- Spreads by rhizomes
- 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 · “Mid spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Yellow” · 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 · “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 · “Spreads by rhizomes” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 2.6 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
Also known as
Agropyron repens; Quack Grass
Conservation status
| Kentucky rank | SNA |
|---|---|
| Global rank | GNR |
| KY status | Not verified |
| Federal status | Not verified |
Sources
- tnky_atlas
- usda
- ky_invasive
- 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

