Spectracide Weed Stop Lawns Crabgrass Killer
Best concentrated solution for homeowners managing stubborn weeds and crabgrass.
This concentrate is the ultimate heavy-hitter for reclaiming a lawn from stubborn crabgrass and broadleaf invaders. While it demands careful application to protect your desired turf, the trade-off is a remarkably fast, root-deep clean that clears up to 5,000 square feet in a single pass.
$23.21
Who it's for
- Homeowners struggling with stubborn crabgrass and common weeds
- Budget-conscious gardeners treating large lawn areas
- Users preferring custom sprayer setups for their lawn
Who should skip it
- Beginners wanting a simple, ready-to-use solution
- Gardeners with sensitive grass types prone to damage
- Pet owners and parents prioritizing immediate safety
Performance breakdown
Weed Spectrum Coverage
Targets over 250 weed varieties including stubborn crabgrass and nutsedge.
Action Speed
Visible results appear within eight hours of initial application.
Turf Compatibility
Broad compatibility across both cool and warm season grass varieties.
Weather Resilience
Becomes rainproof in three hours, offering reliable performance against unexpected showers.
Application Versatility
Concentrate format allows for precise mixing and flexible coverage area control.
Root Penetration
Systemic formula ensures deep root destruction to prevent rapid weed regrowth.
Key Specs
Active Ingredient
2,4-D, dimethylamine salt - 3.74%; Quinclorac - 1.79%; Dicamba, dimethylamine salt - 0.43%; Sulfentrazone - 0.22%
Target Weeds
Crabgrass, large and smooth; foxtail, green, yellow and giant; barnyardgrass; yellow nutsedge; Dandelions
Application Area
Lawns
Application Method
Spray, Concentrate
Weed Control Type
Selective, Broadleaf, Grassy, Sedge
Application Timing
Post-Emergent
Coverage Area
5,000 sq. ft.
Rainfast Time
3 hours
Results Visible In
0.33 days
Formulation Type
Concentrate
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