Large Crabgrass

Digitaria sanguinalis, Poaceae

Zones

2–11

Layer

Ground Cover

Lifespan

Annual

Growth

Fast

Guild Roles

Ground CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

5.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Japanese ArrowrootPueraria montana var. lobata

Nitrogen Fixation

Standing MilkvetchAstragalus adsurgens

Nitrogen Fixation

Caley PeaLathyrus hirsutus

Nitrogen Fixation

BabchiPsoralea corylifolia

Nitrogen FixationBeneficial Insect Habitat

Antagonistic Plants

Ripgut BromeBromus rigidus

Both aggressive grasses compete intensely for light and nutrients in warm season growth periods

Mammoth Wild RyeLeymus racemosus

Annual crabgrass competes aggressively with perennial grasses for space and resources

Purple False BromeBrachypodium distachyon

Fast-growing annual grass that can outcompete smaller perennial grasses

Rough NigerGuizotia scabra

Annual species that compete for space in disturbed agricultural environments

Uses

Functions

Quick Ground CoverSoil ProtectionBiomass ProductionSummer CoverErosion Control

Edible Parts

SeedsYoung Shoots

Common Questions

What zones does Large Crabgrass grow in?

Large Crabgrass grows in USDA hardiness zones 2 through 11.

What are good companion plants for Large Crabgrass?

Good companions for Large Crabgrass include Japanese Arrowroot, Standing Milkvetch, Caley Pea, Babchi.

Design guilds with Large Crabgrass and see companion relationships visually.

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