St. Augustine Grass

Stenotaphrum secundatum · Warm-season, perennial, C4 grass.

AI-generated identification · may be incorrect
St. Augustine Grass

Grass Category

Lawn/Turf

Hardiness Zones

Thrives in USDA zones 8 through 10, with low cold tolerance and heavy winter dormancy in cooler areas.

About This Grass

Forms a thick, carpet-like turf with broad, flat blades and a medium-light green color. Reaches a typical height of 2 to 3 inches and produces a flattened seed spike at maturity.

Blade Characteristics

Coarse, wide blades (up to half an inch) with blunt, rounded tips and folded vernation. Features a membranous ligule and lacks auricles.

Growing Information

Growth Habit

Aggressively stoloniferous, forming a dense, coarse turf via above-ground runners.

Sunlight & Water Needs

Requires full sun to moderate shade and frequent watering to maintain color. Prefers well-draining soils with a slightly acidic to neutral pH.

Mowing & Maintenance

Mow high at 2.5 to 3.5 inches weekly during peak growth. Moderate to high maintenance requiring regular fertilization and weed control.

Identified on 10/11/2026