Best Concentrate Weed Killers of 2025

Ortho GroundClear Year Long Vegetation Killer1 is a fast-acting concentrate formula that kills weeds and grasses to the root when used as directed. It starts working in 3 hours and provides up to 1 year of weed and grass control with a single application. It can be used on driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, and along fences and curbs.

Roundup Weed Killer Concentrate is a powerful solution that effectively eliminates tough weeds and grasses, including dandelions, crabgrass, poison ivy, clover, and spurge. With its fast-acting formula, this concentrate delivers visible results in just a few hours, allowing you to see the effectiveness of the product quickly. It is rainproof in as little as 30 minutes, ensuring that it remains effective even after rainfall. One of the great advantages of this weed killer is its versatility. You can use it in various areas of your yard, including flower beds, walkways, driveways, and garden plots. Additionally, you can plant new vegetation within 1 to 30 days after application, providing you with flexibility and convenience. To use, simply mix the concentrate according to the label directions and apply it using a tank or hose-end sprayer. With Roundup Weed Killer Concentrate, you can easily maintain a weed-free environment in your yard.

Spectracide Weed & Grass Killer Concentrate2 is a nonselective weed and grass killer that kills all types of weeds and grasses down to the root. It’s formulated for spot treatment of weeds and grasses on patios, walkways and driveways; around flowers, shrubs and trees; and along fences and foundations. This formula is rainproof in 15 minutes—rainfall or watering after 15 minutes won’t wash away effectiveness. Spectracide Weed & Grass Killer Concentrate2 kills down to the root and delivers visible results in as fast as 3 hours.

The Compare-N-Save Weed Killer is designed to effectively tackle unwanted grass and weeds in your yard. It becomes rainproof within just 2 hours, ensuring that your hard work won't wash away. You can expect to see visible results in as little as 2 to 4 days, making it a quick solution for your weed problems. With a high concentration of 41% glyphosate, this herbicide is powerful enough to eliminate most weeds with a single application. Additionally, it covers a massive area of up to 630,000 square feet, making it perfect for large properties.

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.

Hi-Yield Super Concentrate Killzall Weed & Grass Killer is a liquid concentrate that can cover up to 25,600 square feet. It controls grasses, broadleaf weeds and woody brush species, and is formulated with a double-surfactant that dries on plants quickly. Customers have reported mixed results, with some saying it works well and others saying it takes multiple applications to be effective. However, many customers have praised its effectiveness and affordability.

Roundup Weed Killer Plus is a powerful solution that not only kills but also prevents weeds and grass for up to 12 months. It is rainproof in just 30 minutes and shows visible results quickly. You can use it in various areas like driveways, sidewalks, and patios to eliminate existing weeds and stop new ones from growing. With Roundup Weed Killer Plus, you can tackle tough weeds like clover, dandelion, crabgrass, and poison ivy, making it a convenient choice for long-lasting weed control.

Ortho WeedClear Lawn Weed Killer Concentrate is a fast-acting formula that kills weeds in your lawn without harming the grass. It can kill dandelion, chickweed, clover, crabgrass, and foxtail to the root in just one application. It can be used on various grass types and comes in a concentrate form, so make sure to read the product label for specific application instructions.

Ranger Pro Herbicide is a powerful weed killer containing 41% glyphosate, the same active ingredient found in Roundup. This makes it effective for eliminating unwanted plants in residential areas, parks, and recreational spaces. You can easily mix Ranger Pro at a rate of 2-3 ounces per gallon of water, ensuring a straightforward application process. This flexibility allows you to tailor the solution to your specific needs, making it convenient for various gardening and landscaping tasks. With Ranger Pro, you can enjoy a weed-free environment with minimal effort.

Round Up Pro Concentrate 50.2% Glyphosate Herbicide is a systemic herbicide that can be used in various situations, from agricultural farming to industrial and residential areas. It is effective in controlling unwanted weeds and is widely used by highway right of way management companies, cities, counties, and municipal governments. The mix rate is 1-10.5 ounces per gallon of water depending on the target weed, and it is recommended to use clean stainless steel or plastic sprayers when mixing.