Large Crabgrass

Digitaria sanguinalis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Large Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA Zones 4 through 10, strictly warm-season annual that dies with the first heavy frost.

About This Grass

Forms coarse, light green clumps up to two feet tall with a sprawling habit. Produces finger-like, spike-like racemes at maturity.

Blade Characteristics

Wide, flat blades with pointed tips and sparse hairs. Features a membranous ligule and lacks auricles.

Growing Information

Growth Habit

Stoloniferous with a low, spreading, and mat-forming habit, rooting at the lower nodes.

Sunlight & Water Needs

Requires full sun and moderate moisture, though it has good drought tolerance. Thrives in compacted soils with a wide pH range.

Mowing & Maintenance

Grows rapidly and survives low mowing, requiring frequent cuts. High maintenance as a weed, controlled via pre-emergent herbicides.

Identified on 9/29/2026