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. Low cold tolerance and goes dormant with winter frost.

About This Grass

Forms a thick, carpet-like turf with coarse texture and blue-green color. Grows 2 to 3 inches tall if left unmowed.

Blade Characteristics

Wide, flat blades with blunt, rounded tips. Folded vernation with short, membranous ligules and no auricles.

Growing Information

Growth Habit

Stoloniferous with a fast spread rate, forming a dense, coarse turf.

Sunlight & Water Needs

Requires full sun to moderate shade and frequent watering. Prefers moist, well-draining soils with a pH of 6.0 to 7.5.

Mowing & Maintenance

Mow high at 2.5 to 4 inches frequently during active growth. High maintenance level requiring regular fertilization and weed control.

Identified on 9/26/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier