Large Crabgrass

Digitaria sanguinalis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Large Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA Zones 2-10, surviving as a summer annual that dies with the first hard frost.

About This Grass

Forms a sprawling, coarse clump reaching 6-24 inches tall with light green to bluish-green foliage. Produces finger-like raceme seed heads in late summer.

Blade Characteristics

Flat, wide blades with pointed tips and sparse hairs; membranous ligule with no auricles.

Growing Information

Growth Habit

Stoloniferous and prostrate-spreading, rooting at lower nodes to form dense, wide clumps.

Sunlight & Water Needs

Requires full sun and moderate moisture, though it has high drought tolerance and adapts to various well-draining soils.

Mowing & Maintenance

Grows rapidly and survives low mowing, requiring frequent mowing and pre-emergent herbicide control.

Identified on 10/5/2026