Large Crabgrass
Digitaria sanguinalis · Warm-season, annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA Zones 3-10, surviving as a summer annual that dies with the first frost.
About This Grass
Sprawling, low-growing annual weed with a coarse texture and light green to bluish-green color. Produces finger-like raceme seed heads in late summer.
Blade Characteristics
Wide, flat blades with pointed tips and sparsely hairy surfaces; folded in the bud with a membranous ligule and no auricles.
Growing Information
Growth Habit
Stoloniferous and prostrate, spreading rapidly to form a loose mat.
Sunlight & Water Needs
Requires full sun and thrives in moist soils, though it tolerates drought and poor, compacted soils well.
Mowing & Maintenance
Survives low mowing by growing horizontally; high maintenance required for control via pre-emergent herbicides and hand-pulling.
Identified on 9/27/2026