Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate, 32 fl oz
Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate, 32 fl oz
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Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate, 32 fl oz

1,055 ratings
Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate, 32 fl ozSpectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate 32 ozSpectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate 40 oz
Size32 oz

Key item features

  • Comprehensive Control: This 32 fl oz concentrate controls over 470 types of broadleaf and grassy weeds, such as crabgrass, dandelion, chickweed, clover, and yellow nutsedge. It kills weeds down to the root without harming the lawn when used as directed.
  • Rapid Action: Delivers visible weed killing results in as little as 5 hours. The formula is rainproof just 3 hours after application, ensuring effectiveness against rainfall or watering.
  • Crabgrass Specific: Effectively kills crabgrass, with application recommended at the first sign of its appearance in your lawn for optimal control.
  • Broad Coverage: A 32-ounce bottle of this concentrate treats an expansive area of up to 5,000 square feet, offering widespread weed management.
  • Application Guidance: Apply this product when temperatures are between 45 and 90 degrees Fahrenheit. Avoid use above 90 degrees to prevent potential lawn injury.
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Customer ratings & reviews

4.3 out of 5 stars
stars
1,055 ratings431 reviews
How item rating is calculated
  1. 5 stars69% (733)
  2. 4 stars13% (135)
  3. 3 stars7% (77)
  4. 2 stars4% (38)
  5. 1 star7% (72)

Reviews summary

Pros

  • : The product delivers effective weed control at a low price.
  • : Simple to operate with minimal setup.
  • : The unit connects for quick on-demand spraying.
  • : Allows for easy application to lawn.
  • : Repeated applications kill or injure crabgrass.

Neutral

  • : It clears unwanted plants fast but treats crabgrass unevenly.
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Showing 1-3 of 431 reviews

Aug 30, 2026
Reviewer name: Brandon
Top Reviewer
Item details
Size: 32 oz
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works great and your yard will show you that.

Works all the time every time. Love it.

Helpful?6BIXBX1G6U4H48947792
Sep 13, 2026
Reviewer name: Gerald
Top Reviewer
Item details
Size: 32 oz
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It worked well on my lawn and knocked down the dandelions, clover, and morning glory. I followed the instructions and used a simple pump sprayer. I will be doing a second application (about two weeks apart) to help further reduce the heartier weeds.

Helpful?6BIXBX1G6U4H48947792
Aug 8, 2026
Reviewer name: Walmart customer
Top Reviewer
Item details
Size: 32 oz
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Does the job, kills weeds and grass effectively. Only problem, as with most products, the instructions for use are hard to read and vague. You need a magnifying glass to read them.

Helpful?6BIXBX1G6U4H48947792
Current price is Now $8.48
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was $12.19
26.5 ¢/fl oz
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