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, sensitive to heavy frost and enters dormancy in cooler climates.

About This Grass

Forms a dense carpet with wide blades, bright blue-green color, growing 2 to 3 inches tall, producing a flattened spike seed head.

Blade Characteristics

Wide blades with blunt, rounded tips, folded vernation in the bud shoot, and a very short membranous ligule.

Growing Information

Growth Habit

Aggressively stoloniferous with thick, flat stolons forming a dense, coarse turf.

Sunlight & Water Needs

Thrives in full sun to moderate shade, requires regular watering, moderate drought tolerance, and prefers well-drained fertile soils.

Mowing & Maintenance

Mow at 2.5 to 3.5 inches high frequently during the growing season; high maintenance requiring regular fertilization.

Identified on 10/6/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier