Crabgrass

Digitaria sanguinalis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA zones 3-10, surviving as a summer annual that dies with the first hard frost.

About This Grass

Light green, coarse-textured annual weed growing 6 to 24 inches tall. Produces finger-like, spike-like racemes at maturity.

Blade Characteristics

Wide, flat blades with pointed tips and folded vernation. Features a membranous ligule and lacks auricles.

Growing Information

Growth Habit

Stoloniferous and spreading, forms low, sprawling mats with rooting at lower nodes.

Sunlight & Water Needs

Thrives in full sun and well-drained soils. Highly drought-tolerant once established and prefers compacted or thin lawns with a neutral pH.

Mowing & Maintenance

Requires frequent mowing below 2 inches to prevent seed production. High maintenance due to aggressive weed control needs.

Identified on 10/5/2026