Hi-Yield Killzall
Best long-term solution for homeowners maintaining weed-free hardscapes and driveways.
This dual-action concentrate is the ultimate scorched-earth solution for driveways and patios, killing existing weeds while locking the soil against new growth for months. It is a ruthless, non-selective tool that demands caution, but it saves you from the endless cycle of weekly spot-treating.
$51.99
at
RedBarn Feed & Supply
Who it's for
- Homeowners seeking low-maintenance, long-term weed prevention
- Gardeners battling aggressive, deeply rooted perennial weeds
- Property managers clearing driveways, patios, and fence lines
Who should skip it
- Gardeners working near delicate flowers, shrubs, or lawns
- Landscapers planning to replant the area within a year
- Safety-conscious users avoiding heavy-duty chemical handling
Performance breakdown
Residual Efficacy
Three-month barrier effectively suppresses new growth in high-traffic areas.
Knockdown Speed
Visible wilting begins within days for rapid vegetation management.
Formula Versatility
Dual-action chemistry handles both grassy and broadleaf weeds with ease.
Concentration Value
Highly potent concentrate offers significant coverage for large-scale spot treatments.
Application Precision
Requires careful handling to avoid drift onto desirable landscape plants.
Surface Compatibility
Perfect for maintaining clean lines on driveways, patios, and sidewalks.
Key Specs
Net Content
1 Quart
Active Ingredients
Glyphosate and Prodiamine
Control Duration
Up to 3 months residual control
Application Type
Spot treatment concentrate
Target Weed Type
Broadleaf Weeds, Grassy Weeds
Weed Selectivity Type
Non-Selective
Application Form
Concentrate
Application Timing Type
Post-Emergent
Application Area Type
Driveways and Patios
Visible Results Time
Up to 4 days
Know before you buy
Still have a question?
Ask Metto anything about the Hi-Yield Killzall before you decide.
