10 Best Granular Weed Killer 2025 in the United States

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.

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 Roundup Quikpro 6.8 Lbs Herbicide is designed to effectively target a broad range of weeds including annuals, perennials, and woody brush, making it versatile for various weed control needs. It can be used in residential areas, parks, and recreational spaces, which adds to its flexibility. The product has a shelf life of 36 months when stored correctly, offering long-term usability.

The active ingredient, Glyphosate, is a powerful herbicide but has raised environmental and health concerns in some studies. This may be a drawback for users prioritizing environmental safety. Additionally, while effective, it requires careful application to avoid damage to desired plants, which may require some attention and precision during use. The product covers a significant area annually, making it suitable for larger spaces, but it might not be the best choice for smaller gardens due to its potent formula.

The ease of application is facilitated by its spray form, though users should follow the label instructions closely to ensure proper and safe use. This product is ideal for those needing a robust weed-killing solution for larger, varied areas and who are comfortable with the necessary precautions.