Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate — Fast-Acting, Rainfast Weed Control for Lawns

Take command of your yard with Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate. This ready-to-spray formula targets a broad list of weeds while protecting your turf when used as directed. The 40-ounce bottle covers up to 6,250 square feet, letting you treat larger lawn areas with fewer applications.

Designed to conquer more than 470 listed weed types, including stubborn crabgrass, the product works on contact and reaches the root for visible improvement in as little as five hours under ideal conditions. Once you apply it, rain or watering 3 hours later won’t wash away the effectiveness, making it a practical option for adapting to a typical yard schedule.

What it does

• Kills listed weeds, not the lawn, when used as directed
• Kills crabgrass, addressing one of the common lawn invaders
• Kills 470+ weed types across broadleaf and grassy categories (see label for full list)
• Rainfast in about 3 hours after application
• Coverage: 40-ounce bottle treats up to 6,250 square feet

How to use

• Apply when temperatures are between 45°F and 90°F; avoid applications above 90°F to prevent lawn stress
• Spray until the foliage is wet for even coverage
• Follow the label for mixing and application directions and safety guidance
• Coverage and timing details: one bottle covers up to 6,250 sq ft; rainfall or irrigation after about 3 hours won’t neutralize the product

Real-world lawns benefit from thoughtful timing and even coverage. Use Spectracide Weed Stop when you first notice crabgrass or other listed weeds, and plan applications around typical weekend mowing or outdoor maintenance routines to keep your landscape looking orderly and vibrant. While results can vary with conditions, many gardeners report faster weed suppression and easier lawn maintenance when used as directed.