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Oat Grass Dropseed

Sorghastrum avenaceum, Poaceae

Zones
6–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Mulch MakerBeneficial Insect HabitatPollinator Attractor

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Mountain Golden Beard GrassChrysopogon montanus
Pollinator SharingWind Protection
Clustered Field SedgeCarex praegracilis
Pollinator SharingBeneficial Insect Habitat
Texas BluestemAndropogon cirratus
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

African Finger GrassDigitaria macroblephara

Large bunch grass competes with finger grass for soil nutrients and may release inhibitory compounds

Elliott's BluestemAndropogon gyrans

Large bunch grasses in same tribe compete for prairie grassland dominance and may exhibit allelopathy

Uses

Functions

Soil StabilizationBiomass ProductionWildlife HabitatOrnamental

Edible Parts

Seeds

Common Questions

What zones does Oat Grass Dropseed grow in?

Oat Grass Dropseed grows in USDA hardiness zones 6 through 9.

What are good companion plants for Oat Grass Dropseed?

Good companions for Oat Grass Dropseed include Mountain Golden Beard Grass, Clustered Field Sedge, Texas Bluestem.

Design guilds with Oat Grass Dropseed and see companion relationships visually.

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