Bahiagrass
Paspalum notatum · Warm-season, Perennial, C4 grass
AI-generated identification · may be incorrect
Grass Category
Lawn/Turf, Pasture, and Erosion Control Grass
Hardiness Zones
Thrives in USDA Hardiness Zones 8-11, highly sensitive to freezing temperatures, goes dormant in winter with brown coloration.
Grass Family
Poaceae, subfamily Panicoideae, tribe Paniceae
Variety / Cultivar
Argentine or Pensacola (common utility cultivars known for extensive root systems and tough blades)
About This Grass
Bahiagrass forms a somewhat coarse and sparse turf with light green to medium green leaves. Unmowed, it produces distinctive V-shaped or Y-shaped seed heads featuring two (sometimes three) spicate racemes radiating from the top of slender stems, making it easily recognizable during its heavy seed production phase.
Blade Characteristics
Blades are medium to coarse in width (3-5mm), flat or folded, with pointed tips. The leaf blades are generally smooth and flat, though margins may be slightly rough. Vernation is folded in the bud. Ligule is a fringe of hairs, and auricles are absent.
Root System
Extremely deep, tough, and extensive fibrous root system with thick, scaly rhizomes and stolons. Establishes relatively quickly from seed, creates moderate thatch, and provides exceptional drought resistance and soil stabilization.
Growing Information
Origin Region
Native to South America (Argentina, Brazil); widely naturalized and cultivated across the Southeastern United States and tropical/subtropical regions worldwide
Growth Habit
Stoloniferous and rhizomatous, forming a coarse, tough, low-growing turf mat with aggressive creeping stems
Sunlight & Water Needs
Requires full sun for optimal growth, tolerates light shade poorly. Low to moderate water needs once established, exhibits excellent drought dormancy and recovery, and prefers acidic, sandy soils.
Mowing & Maintenance
Mowing height ranges from 2.0 to 3.0 inches. Due to rapid and tall seed head production during summer, frequent mowing is required to keep lawns tidy. Low fertilizer requirements (1-2 lbs N per 1,000 sq ft annually). Low to medium maintenance level.
Special Characteristics
Exceptional resistance to pests and diseases, highly tolerant of poor, sandy, and acidic soils. Good wear tolerance and rapid erosion control, though its seed stems can dull mower blades quickly if not cut regularly.
Ecological Information
Introduced species in North America, widely used for roadside erosion control and pastures. Provides good grazing value for livestock, moderate wildlife food source, and aggressively outcompetes weeds on poor soils without heavy chemical inputs.