Crabgrass
Digitaria sanguinalis · Warm-season, annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA zones 3 to 10; functions as a summer annual that dies off with the first hard frost.
About This Grass
Forms a sprawling, light green mat up to 2 feet tall if unmanaged, featuring distinctive finger-like seed heads at maturity.
Blade Characteristics
Medium-wide, flat leaves with pointed tips and a membranous ligule; prominent hairiness is often present on the leaf sheaths.
Growing Information
Growth Habit
Stoloniferous and prostrate, spreading rapidly to form loose, coarse clumps.
Sunlight & Water Needs
Thrives in full sun and well-drained soils, showing high tolerance for heat and moderate drought.
Mowing & Maintenance
Requires frequent mowing below 2 inches to suppress seed production; considered a high-maintenance weed in turf.
Identified on 10/5/2026