10 Best Crabgrass Killers For Lawns 2025 in the United States

The Scotts Turf Builder Triple Action1 is a versatile product that not only kills common lawn weeds but also prevents crabgrass and fertilizes your lawn. This makes it a comprehensive solution for maintaining a healthy lawn. It is effective against a variety of weeds such as dandelions, clover, and chickweed, and prevents crabgrass for up to four months. However, it's important to note that it does not kill existing crabgrass.

This product is suitable for multiple grass types, including Kentucky Bluegrass, Bermudagrass, and Tall Fescue, making it versatile for different lawns. The granules are easy to spread with a Scotts spreader, and the application should be followed by watering after 24 hours. It comes with clear instructions for spring application when dandelions are growing actively.

It is not available in some regions like AK, HI, PR, GU, and VI. For those looking for a multi-functional lawn care product that tackles weeds, prevents crabgrass, and provides lawn nutrition, Scotts Turf Builder Triple Action1 is a solid choice. Just keep in mind its limitation with existing crabgrass and the necessity to follow application guidelines carefully.

Scotts Halts Crabgrass & Grassy Weed Preventer is a pre-emergent weed killer designed to prevent the germination of a variety of weeds including crabgrass, foxtail, and chickweed. This product is particularly effective when applied in early spring or fall and is suitable for use on most grass types, except Dichondra or Bentgrass.

Covering up to 10,000 sq. ft. per 20.12 lb. bag, it's a robust option for larger lawns. The granular form makes it easy to apply, and weather conditions like rain or snow post-application don't affect its performance, adding to its reliability. However, users need to ensure the lawn is dry before application for optimal results.

This product is a solid choice for those looking to prevent crabgrass and other weeds with minimal hassle, but it may not be the best fit for every lawn type.

The Spectracide Weed Stop For Lawns Plus Crabgrass Killer with AccuShot Sprayer comes as a liquid form in a 1.33-gallon container, making it suitable for larger areas up to 7,500 square feet. This product is designed to kill over 470 types of weeds, including crabgrass, dandelion, and clover, with visible results as quickly as 5 hours. The active ingredients target weeds down to their roots, ensuring comprehensive weed control.

The AccuShot sprayer provides a continuous power spray, aiding in precise application and ease of use. This feature eliminates the need for manual pumping, making the process straightforward and less labor-intensive. The product claims to be safe for lawns when used as directed, thus minimizing the risk of damaging grass. It requires 4 AA batteries (included), which contribute to its convenience but may need occasional replacement.

One potential downside is the environmental impact, as the product contains chemicals that could affect non-target plants or wildlife. It is essential to follow the application directions carefully to mitigate these risks. This crabgrass killer is a powerful option for those needing to manage extensive weed problems with ease, though users should remain mindful of environmental considerations and the necessity of battery replacements.