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, with low cold tolerance and heavy winter dormancy in the cooler range.

About This Grass

Forms a thick, carpet-like turf with coarse texture and a bright blue-green to dark green color. Reaches typical lawn heights of 2 to 3 inches.

Blade Characteristics

Wide blades with blunt, rounded tips, folded vernation, and short membranous ligules without 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 water needs with low drought tolerance and preference for well-drained soils.

Mowing & Maintenance

Mow high at 2.5 to 3.5 inches frequently during active growth; high maintenance level requiring regular fertilization.

Identified on 10/19/2026