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

USDA zones 8 through 10. Highly sensitive to cold temperatures and goes dormant in winter.

About This Grass

Forms a thick, carpet-like turf with coarse texture and bright to blue-green color. Grows 2 to 3 inches tall with flat-topped seed spikes.

Blade Characteristics

Wide flat blades with blunt, rounded tips. Folded vernation with a short membranous ligule and absent auricles.

Growing Information

Growth Habit

Aggressively stoloniferous, forming a dense, coarse turf via surface runners.

Sunlight & Water Needs

Prefers full sun to moderate shade with high water requirements. Thrives in moist, well-draining soils with a neutral pH.

Mowing & Maintenance

Mow high at 2.5 to 4 inches regularly. Requires moderate to high maintenance including frequent fertilization and weed control.

Identified on 10/10/2026