Best Bayer Weed Killers in 2026

Ortho GroundClear Year Long Vegetation Killer Refill kills weeds and prevents any re-growth for up to 1 year with a single application

Fast-acting formula starts working immediately

Pests controlled: American burnweed, chamberbitter, common purslane, dollarweed, Florida betony, Florida pusley, lawn burweed, Lespedeza, prostrate spurge, spotted spurge, Virginia buttonweed,Bull paspalum, carpetgrass, Dallis grass (suppression), doveweed, large crabgrass

FOR MULTIPLE LAWN VARIETIES: For use on grasses including Bermudagrass, Buffalograss, Tall Fescue, Fine Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass

SPOT TREAT WEEDS: Just attach the battery-powered Ortho Comfort Wand from your previous bottle to your new Refill bottle to spot treat weeds with a continuous stream — no bending or pumping required; 1.33 gal. bottle treats up to 5,000 sq. ft.

Not available in FL, GU, HI, LA

For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.

Liquid Harvest Meso: 4 - 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions

Liquid Harvest Lazer Blue can mix with herbicides, fungicides, pesticides, & fertilizers.

Liquid Harvest Lazer Blue easily marks grass and lawns. 100% non-toxic, non-permanent, and non-staining.

Mesotrione prevents photosynthesis in plants. It will absorb and start working immediately, however, it can take up to 2-3 weeks before full death occurs on your weeds

Mesotrione must be activated by water, If rainfall hasn’t occurred within 10 days of application, water the area with 0.15 inches of water

For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.

4 - 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions

Liquid Harvest Mesotrione is a very useful herbicide as it prevents crabgrass seed germination and kills broadleaf weeds (dandelion and clover among others) on contact, while allowing certain cool season turfgrass to grow in a weed-free environment.

Liquid Harvest Mesotrione has a 40% active ingredient that inhibits photosynthesis in susceptible plant species. It is distributed throughout the plant after being absorbed by the plants through roots, shoots and leaves.

For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.

Liquid Harvest Meso: 4 - 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions

Mesotrione prevents photosynthesis in plants. It will absorb and start working immediately, however, it can take up to 2-3 weeks before full death occurs on your weeds

The use of Liquid Harvest Surfactant helps stick the mesotrione spray mixtures to the desired areas

Bundle includes one 8 ounce Mesotrione and one 8 ounce Surfactant

Not for sale in CA and WA

Kills over 200 weeds to the root. Rainproof in 1 hour. Active ingredient: 2, 4-D, Dimethylamine Salt. Glyphosate-free. Pack of 1, Packaging may vary.

RAINPROOF PROTECTION: Rainproof in 1 hour

COVERAGE AREA: Treats up to 5,000 square feet

🐈 ELIMINATES WEEDS FAST - EASY TO USE - Ready to Use Spray. No Mixing Necessary.

Barnyardgrass, Crabgrass (large & smooth), Goosegrass, Foxtail, Panicum, Johnsongrass (seedling),