Finding an effective crabgrass herbicide can protect your turf from common lawn weeds and reduce future weed pressure. The following selections cover post-emergent and pre-emergent options, including quinclorac-based treatments and broad-spectrum formulas. Each product is designed to minimize damage to healthy grass while targeting crabgrass and other lawn weeds. Use the buying guide below to compare active ingredients, residual control, coverage, and application timing.
| Product | Brand | Type | Approx. Size | Key Benefit |
|---|---|---|---|---|
| BASF Drive XLR8 Crabgrass Killer | BASF | Post-Emergent | 64 oz | Up to 30 days residual, broad-spectrum weed control |
| Scotts Halts Crabgrass & Grassy Weed Preventer | Scotts | Pre-Emergent | 10,000 sq ft | Prevents weed germination in early spring/fall |
| Yard Mastery Dimension Pre-Emergent | Yard Mastery | Pre-Emergent | 18 lb | Covers up to 6,000 sq ft, 0-0-7 fertilizer base |
| BioAdvanced All-In-One Lawn Weed & Crabgrass Killer I | BioAdvanced | Post- & Broadweed Killer | 40 oz | Kills over 200 broadleaf weeds and crabgrass |
| Pro Crabgrass & Grassy Weed Killer (Quinclorac) | Liquid Harvest | Post-Emergent | 64 oz | 18.92% Quinclorac, rapid action with residual control |
BASF Drive XLR8 Crabgrass Killer For Lawn & Turf
The BASF Drive XLR8 formulation provides a post-emergent solution that targets crabgrass and other broadleaf weeds in turfgrass. Its water-based delivery supports faster plant uptake and quicker visible results. The product offers extended residual control, claimed up to 30 days, helping reduce the frequency of applications. It is designed to be rainfast in under an hour, minimizing wash-off risk after application. The broad-spectrum weed coverage includes crabgrass, foxtail, kikuyu, signal, torpedo grasses, and typical broadleaf weeds like bindweed, clover, dandelion, black medic, and horseweed. This makes it suitable for lawns needing rapid weed suppression with longer-lasting effect.
Scotts Halts Crabgrass & Grassy Weed Preventer
Scotts Halts is a pre-emergent weed preventer designed to stop the germination of crabgrass and other lawn weeds in early spring and fall. By forming a barrier in the soil, it helps maintain a weed-free lawn during peak germination periods. The product is designed for use on dry lawns and is formulated to tolerate weather variations, with performance stated even after rain, snow, or freezing temperatures after application. It is widely used for prevention rather than post-emergence control, making it a solid choice for proactive lawn care and long-term weed suppression.
Yard Mastery Dimension Pre-Emergent
The Yard Mastery Dimension Pre-Emergent uses Dithiopyr to prevent weeds from germinating, covering up to 6,000 square feet. This pre-emergent is particularly suitable for smaller to medium lawns and offers a 0-0-7 fertilizer base to support turf health while suppressing crabgrass and select broadleaf weeds. It is beneficial for homeowners seeking early-season protection and soil-active chemistry to reduce future weed pressures without promoting excessive grass growth.
BioAdvanced All-In-One Lawn Weed and Crabgrass Killer I
BioAdvanced All-In-One combines broad-spectrum weed control with targeted crabgrass management. Its formulation aims to kill listed lawn weeds and crabgrass while remaining safe for most cool-season and warm-season grasses when used as directed. The product emphasizes root-level action, penetrating weeds to undermine regrowth and delivering control of difficult grasses and broadleaf weeds alike. It is positioned as a versatile option for homeowners seeking a single-convenience solution for multiple lawn weed challenges.
Pro Crabgrass & Grassy Weed Killer (Quinclorac)
Pro Crabgrass & Grassy Weed Killer (Quinclorac) is a concentrated post-emergent option featuring a high quinclorac content that targets crabgrass and broadleaf weeds. The product emphasizes rapid action and extended residual control, which helps limit weed reappearance after treatment. It is designed for professional-grade performance and is compatible with various outdoor environments, including lawns, gardens, landscapes, and smaller commercial spaces. This option offers a balance of fast results and lasting weed suppression for problem lawns.
Pro Crabgrass & Grassy Weed Killer (Quinclorac) 32 Ounces
This 32-ounce version of the Pro Crabgrass & Grassy Weed Killer offers identical active ingredients and benefits in a smaller package. The product highlights high concentration of quinclorac for effective weed suppression, with residual control to slow weed reappearance. The size makes it convenient for homeowners with smaller lawns or those who prefer a more manageable quantity for annual treatment cycles. It remains a robust option for rapid, visible weed reduction in grassy areas.
Buying Guide: Key Purchase Considerations
Active Ingredient Focus: Quinclorac-based products are effective against crabgrass and many broadleaf weeds, providing both post-emergent and residual control. Pre-emergent formulations prevent germination, which is essential for long-term lawn maintenance. Select a mix of post-emergent and pre-emergent options depending on your weed pressure and timing.
Timing And Application: Pre-emergents work best in early spring or fall before weeds germinate, while post-emergents target existing weeds. Consider your climate, weed history, and lawn schedule when planning applications. Rainfast times and weather tolerance can influence effectiveness, particularly for post-emergent products.
Coverage And Size: Lawns vary in size, so choose products with appropriate coverage. Pre-emergents are typically sold by area size (sq ft), while post-emergents are available in various bottle sizes. Larger properties may benefit from bulk formulations to reduce application frequency.
Lawn Type And Tolerance: Some formulations are labeled for specific grass types and can affect cool-season versus warm-season grasses. Always read label directions to avoid adverse effects on your lawn and to ensure compatibility with your turfgrass species.
Broad-Spectrum Needs: If your lawn encounters multiple weed species, a broad-spectrum lawn weed killer may simplify management by addressing crabgrass along with other common weeds. For lawns with persistent weed pressure, consider products offering both immediate knockdown and longer residual protection.
Safety And Compatibility: Surfactants and adjuvants can improve spray coverage and uptake, but some formulations may require specific mixing and handling. The included surfactant recommendations and compatibility notes help optimize results and minimize potential turf stress. Always follow label directions and use protective equipment as needed.
Environmental And Safety Considerations: Opt for products with clear usage guidelines and safety data. Consider environmental impact, non-target effects, and local regulations. Use the minimum effective rate and rotate products to reduce resistance risk and maintain lawn health over time.