Best Liquid Weed Killers of 2025

Liquid Harvest Lazer Blue is a concentrated spray pattern indicator that helps prevent over-application, detects product drift, and is easy to use without additional equipment. It is versatile and improves application accuracy by providing a visual guide. By using Lazer Blue, you can save time and money while optimizing your product usage.

This Syngenta herbicide eliminates weeds at seedlings, allowing new grass to thrive. It is made in the United States and requires no assembly.

Fertilome Killzall Weed and Grass Killer is a double-surfactant formulation that quickly dries on plants to start working fast. This 32 oz bottle of weed control liquid concentrate can treat up to 6,400 square feet and is ideal for controlling grasses, broadleaf weeds, and woody brush species. Spraying accessory is required for application.

Liquid Harvest Mesotrione is a powerful herbicide that can kill weeds and grasses in your lawn and turf grasses. It targets 46 broadleaf species of weed and grass, including Chickweed, Clover, Dandelion, Goosegrass, and Wild Carrot. It's easy to use, just mix 4-8 oz. of concentrate with 30 gallons of water per acre and use a surfactant to increase effectiveness. This herbicide prevents crabgrass seed germination and kills broadleaf weeds on contact, while allowing certain cool season turfgrass to grow in a weed-free environment.

This weed killer and fertilizer combination product can fertilize your lawn within 24 hours while also controlling and killing major lawn weeds such as clover and dandelions, as well as a variety of other weeds. It is easy to use by simply attaching a hose and spraying when weeds are actively growing.

Tenacity Turf Herbicide is a systemic pre-emergence and post-emergence herbicide that selectively controls pests in turfgrass. It is effective for controlling a variety of weeds and its active ingredient is Mesotrione 40%. The product has a long shelf life of 5-8 years when stored properly and the date printed on the bottle indicates the manufacturing date.

Liquid Harvest Lazer Blue is a 32-ounce concentrated spray pattern indicator, perfect for use as a weed spray dye, herbicide dye, fertilizer marking dye, turf mark and blue herbicide marker. It can easily be mixed with herbicides, fungicides, pesticides and fertilizers, and will only mix with water-based solutions. This product is ideal for indicating where spray mixtures have been applied and won't permanently stain grass or lawns.

Liquid Harvest Weed Killer is a potent vinegar-based concentrate designed to swiftly eliminate unwanted weeds and grass like crabgrass, clover, and dandelions. Its easy application by spraying makes it ideal for various settings, from residential to agricultural. The fast-acting acetic acid ensures quick results within a day of application. As a safe alternative to harsh chemicals, this herbicide leaves no chemical residue, making it safe for pets and children once dry.