10 Best Post Emergent Poa Annua Weed Killer for Bermuda Lawns in 2026
- Mesotrione is a herbicide that begins to work upon application, though complete weed elimination may take 2-3 weeks; activation requires water or irrigation if there's no rainfall within 10 days.
- Effectively targets 46 broadleaf weeds and grasses, such as Barnyard grass, Chickweed, Clover, Crabgrass, and Dandelion.
- Compatible with Kentucky Bluegrass, Centipede grass, and other specified grasses; avoid using on Bentgrass and certain other types.
- Works by inhibiting photosynthesis in targeted plants, spreading through both leaves and roots, and helps prevent crabgrass seed germination while promoting certain cool-season turfgrass growth.
- Mesotrione is a herbicide that begins to work upon application, though complete weed elimination may take 2-3 weeks; activation requires water or irrigation if there's no rainfall within 10 days.
- Effectively targets 46 broadleaf weeds and grasses, such as Barnyard grass, Chickweed, Clover, Crabgrass, and Dandelion.
- Compatible with Kentucky Bluegrass, Centipede grass, and other specified grasses; avoid using on Bentgrass and certain other types.
- Mesotrione is a selective herbicide that begins to act quickly after application, achieving full effectiveness in 2-3 weeks; activation requires watering if there is no rain within 10 days.
- It effectively targets a variety of 46 broadleaf weeds and grasses such as Barnyard grass, Crabgrass, and Dandelion.
- Compatible with several grass types, including Kentucky Bluegrass and St. Augustine Grass (sod only); avoid use on certain types like Bentgrass and Zoysiagrass.
- The herbicide disrupts photosynthesis in target plants, providing both pre-emergent control against crabgrass and broadleaf weed elimination while supporting healthy turfgrass growth.
- Mesotrione is a selective herbicide that begins to act quickly after application, achieving full effectiveness in 2-3 weeks; activation requires watering if there is no rain within 10 days.
- It effectively targets a variety of 46 broadleaf weeds and grasses such as Barnyard grass, Crabgrass, and Dandelion.
- Compatible with several grass types, including Kentucky Bluegrass and St. Augustine Grass (sod only); avoid use on certain types like Bentgrass and Zoysiagrass.
- Controls grassy weeds in bedding plants, ornamentals, and vegetables.
- Effectively kills most annual and perennial grasses, including difficult types like Crabgrass and Foxtail.
- Can be applied over desirable plants without causing harm, targeting only unwanted grassy weeds.
- Best applied in warm weather when weeds are actively growing for quicker results; may take longer in cooler temperatures.
- Mix with a surfactant or oil concentrate for better penetration and control over weed surfaces.
- Controls grassy weeds in bedding plants, ornamentals, and vegetables.
- Effectively kills most annual and perennial grasses, including difficult types like Crabgrass and Foxtail.
- Can be applied over desirable plants without causing harm, targeting only unwanted grassy weeds.
- Best applied in warm weather when weeds are actively growing for quicker results; may take longer in cooler temperatures.
- Formulated specifically for southern lawns, Sertay contains 75% sulfosulfuron to effectively control grass, broadleaf, and sedge weeds.
- Sertay provides comprehensive weed management and is effective against grassy, broadleaf, and sedge species, with application options in spring, summer, or fall.
- Targets difficult Poa annua with visible results within 3-4 weeks, best applied in warm, moist conditions to young, actively growing grass before tillering.
- Suitable for use in landscape areas around woody ornamentals and warm-season grasses, ensuring weed control in residential, commercial, athletic, and golf course settings.
- A reliable option for overseeding with perennial ryegrass, Sertay promotes a clean start in fall and spring seasons.
- Suppresses unwanted cool-season grass species in southern lawns, safe for various warm-season grasses like Bermudagrass and St. Augustinegrass.
- Formulated specifically for southern lawns, Sertay contains 75% sulfosulfuron to effectively control grass, broadleaf, and sedge weeds.
- Sertay provides comprehensive weed management and is effective against grassy, broadleaf, and sedge species, with application options in spring, summer, or fall.
- Targets difficult Poa annua with visible results within 3-4 weeks, best applied in warm, moist conditions to young, actively growing grass before tillering.
- Formulated specifically for southern lawns, Sertay contains 75% sulfosulfuron to effectively control grass, broadleaf, and sedge weeds.
- Sertay provides comprehensive weed management and is effective against grassy, broadleaf, and sedge species, with application options in spring, summer, or fall.
- Targets difficult Poa annua with visible results within 3-4 weeks, best applied in warm, moist conditions to young, actively growing grass before tillering.
- Suitable for use in landscape areas around woody ornamentals and warm-season grasses, ensuring weed control in residential, commercial, athletic, and golf course settings.
- A reliable option for overseeding with perennial ryegrass, Sertay promotes a clean start in fall and spring seasons.
- Suppresses unwanted cool-season grass species in southern lawns, safe for various warm-season grasses like Bermudagrass and St. Augustinegrass.
- Formulated specifically for southern lawns, Sertay contains 75% sulfosulfuron to effectively control grass, broadleaf, and sedge weeds.
- Sertay provides comprehensive weed management and is effective against grassy, broadleaf, and sedge species, with application options in spring, summer, or fall.
- Targets difficult Poa annua with visible results within 3-4 weeks, best applied in warm, moist conditions to young, actively growing grass before tillering.
How We Estimate & Rank
We make shopping simple by hand-picking the top 10 Post Emergent Poa Annua Weed Killer for Bermuda Lawns just for you. Our team focuses on what’s available right now, what’s popular with other shoppers, and, most importantly, what’s most relevant to your search. We cover leading brands such as Liquid Harvest, Monterey, Atticus, DWALE, Certainty, and other trusted names in this category. By filtering out the noise, we ensure you only see high-quality options that actually meet your needs. It’s all the best finds, minus the endless scrolling!
Final Recommendations
We’ve selected three standout options to make your choice easier.
Our overall winner is Liquid Harvest Mesotrione by Liquid Harvest, earning top marks for its balanced combination of quality, performance, and price.
The best value for most shoppers is Liquid Harvest Mesotrione by Liquid Harvest, earning consistently positive feedback for its performance and accessible pricing.
The best deal available right now for Weed Killers is Liquid Harvest Mesotrione by Liquid Harvest, now offered at 10% off.