When it comes to maintaining a lush and weed-free yard, crabgrass can often be a relentless foe. Known for its ability to spread rapidly and take over lawns, this pesky weed can be a nightmare to eliminate without the right tools. Thankfully, offers a wide selection of post-emergent crabgrass killers to help you in your battle against this common lawn invader. In this article, we will review 10 of the best post-emergent crabgrass killers available on, providing you with the information you need to make an informed purchase.

1. Roundup Ready-to-Use Extended Control Weed and Grass Killer

Roundup’s Ready-to-Use Extended Control Weed and Grass Killer is a popular choice for tackling crabgrass issues. This product is not only effective against crabgrass but also targets other common weeds, ensuring a comprehensive solution for your lawn. Its extended control formula prevents weed regrowth for up to four months, delivering long-lasting results.

2. Ortho Weed B Gon Plus Crabgrass Control

Ortho Weed B Gon Plus Crabgrass Control is another excellent option for eradicating crabgrass from your lawn. This product is designed to kill both broadleaf weeds and crabgrass without harming your grass. Its convenient sprayer bottle makes application a breeze, and its fast-acting formula delivers visible results within hours.

3. BASF Drive XLR8

BASF Drive XLR8 is a selective post-emergent herbicide specifically formulated to combat crabgrass. This powerful product is known for its quick action and ability to kill crabgrass within 24 to 48 hours. Its low-maintenance application process and effectiveness against mature plants make it a top choice among homeowners.

4. Compare-N-Save Concentrate Grass and Weed Killer

For those seeking a cost-effective solution, Compare-N-Save Concentrate Grass and Weed Killer is an ideal option. This highly concentrated formula can be diluted according to your needs, making it a practical choice for both large and small areas. Its fast-acting formula targets crabgrass and other common weeds, delivering visible results within days.

5. BioAdvanced All-in-One Lawn Weed & Crabgrass Killer

BioAdvanced All-in-One Lawn Weed & Crabgrass Killer offers a versatile solution for crabgrass control. This product is designed to target over 200 types of broadleaf weeds, including crabgrass. Its all-in-one design simplifies lawn care by addressing multiple weed issues simultaneously. Moreover, it provides a long-lasting barrier against weed regrowth.

6. Tenacity Turf Herbicide

Tenacity Turf Herbicide is a highly effective post-emergent crabgrass killer suitable for both residential and commercial use. Its unique mechanism of action disrupts the photosynthesis process of weeds, leading to their gradual demise. This herbicide is known for its selective nature, allowing it to kill crabgrass and other weeds without harming desirable grass varieties.

7. Preen Garden Weed Preventer

While Preen Garden Weed Preventer may not be a specifically targeted crabgrass killer, it offers an efficient method of preventing weed growth, including crabgrass. This pre-emergent herbicide works by forming a barrier in the soil, preventing weed seeds from germinating. Regular application of Preen Garden Weed Preventer can significantly reduce crabgrass invasion over time.

8. Drive XLR8 + Quinclorac

Drive XLR8 + Quinclorac is a combination herbicide that offers a powerful and efficient solution against crabgrass. This product’s two active ingredients work together to control crabgrass and other stubborn weeds. Its extended residual control ensures long-term protection against weed regrowth, keeping your lawn crabgrass-free.

9. Spectracide Weed Stop For Lawns + Crabgrass Killer

Spectracide Weed Stop For Lawns + Crabgrass Killer is a highly rated crabgrass killer on This ready-to-use formula targets crabgrass and other common lawn weeds, including dandelions and clover. Its versatile and fast-acting nature makes it a reliable choice for tackling crabgrass infestations in your yard.

10. Bayer Advanced Ready-to-Spray Crabgrass Killer for Lawns

Bayer Advanced Ready-to-Spray Crabgrass Killer for Lawns is a convenient and effective solution for homeowners looking to get rid of crabgrass. Its easy-to-use spray bottle allows for efficient application, targeting crabgrass and other weeds with precision. Its powerful formula ensures fast results, helping your lawn regain its lush and healthy appearance.


In conclusion, crabgrass can be a persistent problem for many homeowners, but with the right post-emergent crabgrass killers, you can reclaim your lawn and enjoy a weed-free oasis. The 10 products we have reviewed here are some of the best options available on, offering various features and benefits to suit different needs. Whether you prefer ready-to-use sprayers or concentrated formulas, there is a crabgrass killer that can help you win the battle against this troublesome weed. Remember to follow instructions carefully and consider factors such as price, coverage area, and any potential impact on desirable plants when selecting the most suitable product for your lawn.

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