Selective Herbicides Safe for Bahiagrass Lawns (2026 EPA Label Guide)
Agronomic Safety Summary for Bahiagrass
Bahiagrass safely tolerates 2,4-D + Dicamba + Carfentrazone (SpeedZone), Sulfosulfuron (Certainty), Halosulfuron (SedgeHammer+), and pre-emergent Prodiamine (Barricade).
NEVER apply Metsulfuron-methyl, Celsius WG, Atrazine, or Quinclorac on desirable Bahiagrass lawns, as these active ingredients are specifically formulated to eradicate Bahia in Bermudagrass.
1. Herbicides Labeled SAFE for Broadcast Application on Bahiagrass
| Brand Name & EPA Reg. | Active Ingredient & Group | Safe Temp Range (°F) | Surfactant & Mixing Notes | Where to Buy |
|---|---|---|---|---|
| SedgeHammer+ EPA Reg. 81880-24-10163 |
Halosulfuron-methyl 5% Group 2 (ALS Inhibitor / Sulfonylurea) |
60°F – 90°F Rainfast: 4h |
SedgeHammer+ single-scoop pouches already contain a built-in non-ionic surfactant. If using bulk SedgeHammer 75WG, add 2 tsp NIS per gallon. | Check Price at DoMyOwn View on Amazon |
| SpeedZone Lawn Weed Killer EPA Reg. 2217-833 |
2,4-D 28.57%, Mecoprop-p 5.88%, Dicamba 1.71%, Carfentrazone-ethyl 0.62% Group 4 + Group 14 (Synthetic Auxins + PPO Inhibitor) |
50°F – 85°F Rainfast: 3h |
Do NOT add surfactant. Adding NIS or MSO increases ester volatility and causes severe contact burn on desirable cool-season turf. | Check Price at DoMyOwn View on Amazon |
| Certainty Turf Herbicide EPA Reg. 59639-138 |
Sulfosulfuron 75% Group 2 (ALS Inhibitor / Sulfonylurea) |
60°F – 90°F Rainfast: 3h |
Mandatory Non-Ionic Surfactant (NIS) at 1 tsp (0.25% v/v) per gallon of water. Frequently tank-mixed with Celsius WG for complete southern weed control. | Check Price at DoMyOwn View on Amazon |
| Barricade 4FL (Prodiamine 65 WDG) EPA Reg. 100-1139 |
Prodiamine 40.7% (or 65% WDG) Group 3 (Microtubule Assembly Inhibitor / Dinitroaniline) |
45°F – 90°F Rainfast: 0h |
Pre-emergent soil barrier: do NOT use foliar surfactant. Must be watered in with 0.5 inches of irrigation or rainfall within 14 days of application to activate. | Check Price at DoMyOwn View on Amazon |
3. Herbicides to AVOID on Bahiagrass (High Risk of Lawn Death)
Do Not Broadcast Spray These Active Ingredients on Bahiagrass
- Tenacity (Mesotrione 40%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Drive XLR8 (Quinclorac 18.92%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - TZone SE (Triclopyr 7.72%, 2,4-D 29.36%, Dicamba 2.22%, Sulfentrazone 0.66%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Celsius WG (Thiencarbazone-methyl 8.7%, Iodosulfuron-methyl-sodium 1.9%, Dicamba 57.4%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Image Kills Nutsedge (Imazaquin 3.3%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Hi-Yield Atrazine Weed Killer (Atrazine 40.8%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Acclaim Extra (Fenoxaprop-p-ethyl 6.59%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss. - Pylex Herbicide (Topramezone 29.7%): Labeled
AVOIDon Bahiagrass due to severe foliar chlorosis, stolon stunting, or permanent turf loss.