Best Grassy Weed Killers of 2025

Scotts Crabgrass Preventer is designed to stop the growth of various lawn weeds, allowing you to maintain a lush and healthy yard. By applying this pre-emergent weed killer in early spring or fall, you can effectively prevent the germination of troublesome weeds like crabgrass and foxtail. This product works on all grass types, providing versatile lawn care. Additionally, it remains effective even after rain or snow, ensuring your lawn stays protected regardless of weather conditions. With coverage for up to 5,000 square feet, it offers a convenient solution for larger areas.

Scotts Crabgrass Preventer helps you prevent crabgrass all season long. This pre-emergent grassy weed killer stops crabgrass before it even starts growing. By applying it early in the spring, you can enjoy a crabgrass-free lawn throughout the season. Alternatively, applying it in the fall can prevent winter weeds like Poa annua, henbit, and chickweed from taking over. Remember not to use this product on Dichondra and Bentgrass. With one bag covering 5,000 sq. ft., Scotts Crabgrass Preventer is a convenient and effective solution for maintaining a weed-free lawn.

Liquid Harvest Weed Killer is a potent solution with 18.92% Quinclorac concentration, ensuring maximum weed control and long-lasting results. Its fast action provides visible outcomes, suitable for lawns, gardens, and commercial spaces. This herbicide effectively targets common broadleaf weeds like clover, dandelion, and chickweed, along with grassy weeds such as crabgrass and foxtail. With residual control, it prevents weed regrowth, offering you a weed-free environment for an extended period.

Liquid Harvest Weed Killer is a potent solution with 18.92% Quinclorac concentration, ensuring maximum weed control. Its rapid action provides visible results swiftly, making it ideal for lawns, gardens, and commercial spaces. The residual control prevents weed reappearance, keeping your outdoor areas weed-free for an extended period. With the ability to combat common broadleaf and grassy weeds, including clover, dandelion, crabgrass, and foxtail, this versatile solution is your go-to for a weed-free environment.

Scotts Halts Crabgrass & Grassy Weed Preventer is a powerful weed killer that allows a one-time application to prevent crabgrass and other problem weeds all season long. The product is suitable for use both in spring and fall, where it can prevent winter weeds such as poa annua, henbit, and chickweed. It is unaffected by rain, snow or freezing weather after application, ensuring reliable weed control. Additionally, the product can prevent moss when applied in the fall.

Agrisel Weed Killer effectively targets and eliminates over 50 types of grassy weeds in your garden while keeping your desired plants safe. The easy application method allows for a hassle-free experience. This weed killer is economical and powerful, requiring only a small amount to combat various broadleaf weeds and grasses. Rest assured, it meets EPA standards for safety. Choose from different size options to suit your needs. The 3-pack of disposable gloves included adds to the convenience.

Roundup 365 Weed Killer offers an effective solution for tackling weeds and grasses for an entire year. With its powerful formula, you can eliminate tough weeds like clover and poison ivy while also preventing new growth. This product is rainproof in just 30 minutes, ensuring that your hard work won't be washed away. You'll see visible results within hours, giving you quick satisfaction. The included Pump 'N Go 2 Sprayer allows for easy application, letting you spray continuously for up to 10 minutes without straining your back.

Agrisel Weed Killer effectively targets and eliminates over 50 types of grassy weeds in your garden while keeping your flowers and shrubs safe. The easy "Tip and Pour" application method ensures a hassle-free experience. This economical formula requires only a small amount per 1,000 square feet to combat various broadleaf weeds and grasses. Rest assured, this herbicide is EPA approved for home gardens and landscaping. Choose from different sizes based on your needs, with a 3-pack of disposable gloves included.

The Select Source Triad QC Select Herbicide is a 3-way herbicide that combines 3 active ingredients to help eliminate hard-to-control weeds. It is perfect for use on residential and non-residential lawns, turf, athletic fields, roadsides, parks, and golf turf (except tees, greens, and collars). This post-emergent herbicide is an ideal late-season clean-up product for areas that didn't receive pre-emergent herbicide application in the spring. It can control various weeds like newly germinated 1- to 2-leaf crabgrass, 1-tiller crabgrass, and when crabgrass has matured to 5-tillers or greater. The presence of Quinclorac contributes to the control of grassy weeds and is absorbed by the foliage and roots.

The Spruce Weed Killer Spray offers a safe and effective solution for controlling unwanted weeds around your home. Its worry-free formula is designed to be safe for both people and pets when used correctly, allowing you to treat up to 400 weeds with just one bottle. You can expect visible results in just one hour, as it works by dehydrating various types of broadleaf and grassy weeds. This versatile product is perfect for use in mulch beds, driveways, and gardens, making it easy to tackle weeds wherever they appear. For the best outcomes, apply it at the first sign of growth.