Large Crabgrass

Digitaria sanguinalis · Warm-season annual, C4

AI-generated identification · may be incorrect
Large Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA zones 3-10, surviving as a warm-season annual dying back at first frost.

About This Grass

Sprawling annual reaching 1-2 feet tall with a light green to bluish-green color. Seed heads feature 3-7 finger-like racemes branching from the top.

Blade Characteristics

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

Growing Information

Growth Habit

Prostrate, spreading via rooting lower nodes and stolons, forming loose mats.

Sunlight & Water Needs

Requires full sun and moderate moisture, though highly drought tolerant once established in diverse soils.

Mowing & Maintenance

Grows rapidly below standard mowing heights; controlled via pre-emergent herbicides and dense turf competition.

Identified on 10/17/2026