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 through 10; poor cold tolerance and goes dormant with winter discoloration in the lower range.

About This Grass

Forms a thick, carpet-like turf with coarse, wide blades and a blue-green to bright green color. Produces a flattened spike seed head at maturity.

Blade Characteristics

Wide blades with blunt, rounded tips, folded vernation in the bud, and a membranous ligule with no 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; needs regular watering and prefers well-drained soils with a neutral to slightly acidic pH.

Mowing & Maintenance

Mow high at 2.5 to 4 inches to maintain health; moderate to high maintenance requiring regular fertilization and weed control.

Identified on 9/27/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier