10 Best Granular Weed Killer 2026 in the United States

Scotts Halts Crabgrass & Grassy Weed Preventer is a pre-emergent weed killer designed to stop the germination of various lawn weeds, including crabgrass, foxtail, spurge, and more. This product is highly effective for early spring and fall applications and continues to perform well even in unfavorable weather conditions like rain or freezing temperatures, providing a dependable solution for weed control throughout the season.

Covering up to 10,000 sq. ft. with a single 20.12 lb. bag, it offers extensive coverage suitable for large lawns. However, it's important to note that it is not suitable for Dichondra or Bentgrass lawns, which might be a limitation for some users. Additionally, while it is generally safe for most grass types, users should ensure careful application to avoid any accidental damage to desirable plants.

The ease of application is enhanced by its granular form, making it simpler to spread evenly across the lawn. This product is a solid choice for those looking to prevent a broad range of grassy weeds in their lawns efficiently.

The Scotts Turf Builder Bonus S Southern Weed & FeedF2 is a specialized product designed for Southern lawns, particularly those in Florida. It effectively targets and kills various common weeds such as dollarweed, clover, and dandelion, while simultaneously fertilizing the grass to promote thick, healthy growth. This dual-action functionality is a significant strength, making lawn care more efficient by combining weed control and fertilization in one product. With a coverage area of 5,000 sq. ft., it is suitable for medium-sized lawns, and the granular form ensures even application.

It is crucial to apply this product when grass and weeds are actively growing and to water it immediately after application, which might be a bit demanding for some users. Another limitation is its specificity to certain grass types—St. Augustinegrass, Centipedegrass, Zoysiagrass, and Carpetgrass—making it unsuitable for other lawns. Moreover, its environmental impact needs careful consideration, as improper usage could affect non-target plants.

The product's ease of application is generally good, but precise timing and watering requirements could pose challenges. Scotts Turf Builder Bonus S Southern Weed & FeedF2 is excellent for users with the specified grass types in Florida looking for a combined weed control and lawn fertilization solution, provided they can adhere to the application guidelines.

The Scotts Turf Builder WinterGuard Fall Weed & Feed3 serves as both a weed killer and a fall fertilizer designed to help your lawn thrive by spring. It targets over 50 common lawn weeds like clover, dandelion, and plantain, making it very effective for broadleaf weed control. This product is meant to be applied to a moist lawn when temperatures are between 60°F and 90°F, ensuring the best results during the fall season when weeds are actively growing.

Covering up to 4,000 square feet with a single 11.43 lb. bag, it offers substantial coverage for medium-sized lawns. It's suitable for multiple grass types including Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass. Users will find it relatively easy to apply, given its granular form which can be spread evenly with a fertilizer spreader.

It’s important to apply this product correctly to avoid harming desired plants and to ensure environmental safety. While it is effective in controlling a wide range of weeds, the effectiveness can be reduced if the application instructions are not followed precisely. Additionally, users should be mindful of its chemical nature and ensure it aligns with their environmental impact preferences.