Sweet Vernal-grass
Anthoxanthum odoratum
Found in lawns, roadsides, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you
—
Not native
Not native to Virginia. How scores work Is it native here?
Profile 76%
- Height
- 1 foot 8 inches–3 feet
- Spread
- 1–2 feet
- Light
- Dappled sunlight, Full sun
- Soil moisture
- Somewhat dry to moist
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At a glance
- Life cycle
- Annual or perennial
- Bloom
- April to July
JFMAMJJASOND
Not yet recorded · Leaves
Recorded in 96 Virginia counties.
Habitats
Roadsides, fields and disturbed ground.
Each habitat page lists the plants and wildlife also found there. All habitats
Ecological relationships
Who uses this plant?
Growing and identification
Plant details
- Family
- Poaceae
- Hardiness
- Zones 5a–9b
- Soil pH
- Acidic to alkaline
- Flower color
- Brown/copper or yellow
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Brown/copper or yellow” · NC Extension Plant Toolbox
- Hardiness · “Zones 5a–9b” · NC Extension Plant Toolbox
- Height · “1 foot 8 inches–3 feet” · NC Extension Plant Toolbox
- Life cycle · “Annual or 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)” · NC Extension Plant Toolbox
- Soil · “Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
- Spread · “1–2 feet” · NC Extension Plant Toolbox
Also known as
Sweet Vernal Grass; Sweet Vernalgrass
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
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- 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




