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, with low cold tolerance and goes dormant in winter.

About This Grass

Forms a thick, coarse turf with a blue-green to bright green color, growing 2 to 3 inches tall. Produces a flat seed spike at maturity.

Blade Characteristics

Wide flat blades with rounded tips, folded vernation, and a membranous ligule with a fringe of hairs.

Growing Information

Growth Habit

Stoloniferous with fast spread and dense mat formation

Sunlight & Water Needs

Requires full sun to moderate shade and regular watering; moderate drought tolerance and prefers well-drained soils with a pH of 6.0 to 7.5.

Mowing & Maintenance

Mow at 2.5 to 4 inches frequently during the growing season; high maintenance requiring regular fertilization and weed control.

Identified on 10/1/2026