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Fall Witchgrass

Digitaria cognata, Poaceae

Zones
6–10
Layer
Herbaceous
Lifespan
Annual
Growth
Fast

Guild Roles

Mulch MakerGround Cover

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Indonesian Clumping BambooSchizostachyum brachycladum
Wind ProtectionShade Provision
Pyramid DropseedSporobolus pyramidatus
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Annual LovegrassEragrostis airoides

Fall witchgrass and annual lovegrass compete for similar seasonal growing conditions

SourgrassDigitaria insularis

Related Digitaria species compete for similar niches and may exhibit allelopathic interference

Uses

Functions

Wildlife FoodErosion ControlGround Rehabilitation

Edible Parts

Seeds

Common Questions

What zones does Fall Witchgrass grow in?

Fall Witchgrass grows in USDA hardiness zones 6 through 10.

What are good companion plants for Fall Witchgrass?

Good companions for Fall Witchgrass include Indonesian Clumping Bamboo, Pyramid Dropseed.

Design guilds with Fall Witchgrass and see companion relationships visually.

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