St. Augustine Grass

Stenotaphrum secundatum · Warm-season, perennial, C4

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

Grass Category

Lawn/Turf

Hardiness Zones

USDA Zones 8 to 10, exhibiting poor cold tolerance and going dormant in cooler winter temperatures.

About This Grass

Forms a thick, carpet-like turf with coarse texture and a bright blue-green to dark green color. Reaches up to 3 inches tall when unmanaged.

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 with rapid horizontal spread.

Sunlight & Water Needs

Requires full sun to moderate shade, high moisture, and prefers well-drained fertile soils with a pH of 6.0 to 7.5.

Mowing & Maintenance

Mow high at 2.5 to 4 inches frequently during growing season. Requires moderate to high maintenance and regular fertilization.

Identified on 9/25/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier