Tall Oatgrass

Arrhenatherum elatius

-30

Harmful

Profile 76%

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Do not plant. Listed invasive in Mississippi.

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Eastern Narrowleaf Sedge
Carex amphibola
Sun: Partial shade, Full shade, Full sun. Soil: Somewhat dry to average. Flowers: Green.
Similar growth form, height, evergreen or deciduous
Splitbeard Bluestem
Andropogon ternarius
Sun: Full to part sun. Soil: Dry to somewhat dry. Flowers: Green.
Similar growth form, height, evergreen or deciduous
Bitter Panicgrass
Panicum amarum
Sun: Full sun. Soil: Dry to moist. Flowers: Pink.
Similar growth form, height, evergreen or deciduous

Not yet recorded · Spread · Life cycle · Leaves

County records are not available.

Ecological relationships

—CaterpillarsGenus host records with ranges including MS

—BeesSoutheastern regional records

—Specialist beesPollen specialists

—BirdsRecorded genus food-resource interactions; not a state feeding claim

Growing and identification

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Bloom · “Early summer” · 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 · “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
Height · “About 4 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary

Also known as

Oat Grass