Answer: For tackling both broadleaf and crabgrass weeds in lawns and turf, choose a post-emergent or ready-to-use option with proven broadleaf and grassy weed control, fast action, and residual protection. The top picks below are best for homeowners and landscape managers seeking reliable, easy-to-apply solutions that work across common turf types. The products cover post-emergent control, multi-weed formulas, and ready-to-use sprays suited to different lawn sizes and applications.
Buying guide snapshot: The following table highlights the five selected products, their primary strengths, and best-use cases.
| Product | Best For | Key Strength |
|---|---|---|
| BASF Drive XLR8 Crabgrass Killer | Residential lawns needing fast, broad-spectrum control | Quick uptake, 30-day residual, effective on crabgrass and broadleaf weeds |
| Select Source Triad QC Select | Lawn care programs with mixed weed species | Three-way blend (2,4-D, Dicamba, Quinclorac) for hard-to-control weeds |
| Pro Crabgrass & Grassy Weed Killer (Liquid Harvest) | High-concentration weed control for larger spaces | 18.92% Quinclorac; rapid action with residual protection |
| Bonide Weed Beater Plus Crabgrass & Broadleaf Weed Killer 32 oz | Ready-to-spray convenience for home lawns | Kills over 200 weeds; safe for grass when used as directed |
| Sunday Weed & Green (32 oz Hose-End) | All-in-one pre- and post-emergent control with lawn health boost | Dual-action weed control and lawn greening |
BASF Drive XLR8 Crabgrass Killer for Lawn & Turf
This post-emergent formula targets a broad range of grassy and broadleaf weeds, including crabgrass and clover, with a water-based formulation for faster plant uptake. It provides up to 30 days of residual control and is rainfast in less than an hour, making it suitable for lawns that may experience sudden weather changes. Best for homeowners looking for quick results and extended weed suppression in medium to large turf areas.
- Best for: Home lawns needing rapid knockdown of crabgrass and common broadleaf weeds.
- Why selected: Strong residual window helps reduce reapplications within a month, reducing maintenance time.
- Caution: Ensure proper mixing and targeted application to avoid applying to non-target decorative plants adjacent to turf.
Select Source Triad QC Select
This 3-in-1 herbicide blends 2,4-D, Dicamba, and Quinclorac to handle both broadleaf and grassy weeds. It is designed for residential and non-residential lawns, including athletic fields and golf turf (excluding tees, greens, and collars). A good choice for areas with mixed weed pressure or where late-season prevention is not yet in place.
- Best for: Lawns with multiple weed species and mixed turf conditions.
- Why selected: The triple active formula broadens the spectrum of control, including stubborn broadleaf and grassy weeds.
- Caution: Use as directed on grassy ornamentals and avoid overspray onto desirable plantings nearby.
Pro Crabgrass & Grassy Weed Killer – 18.92% Quinclorac
This concentrated Quinclorac formula targets crabgrass and a broad range of grassy and broadleaf weeds. The high concentration supports effective weed control with residual protection that helps prevent reemergence. Suitable for larger lawn areas and commercial spaces needing powerful, fast-acting results.
- Best for: Lawns and landscapes needing a high-potency Quinclorac solution.
- Why selected: The high concentration enables fewer applications for extensive weed problems.
- Caution: Follow label directions for dilution to avoid turf stress in hot or drought conditions.
Bonide Weed Beater Plus Crabgrass & Broadleaf Weed Killer 128 oz
This ready-to-use spray covers a broad spectrum of weeds, including crabgrass, dandelion, clover, and creeping Charlie. It is designed to kill weeds down to the root while remaining safe for established grasses when used as directed. It is especially convenient for spot treatments and small-to-medium lawns.
- Best for: Quick, spot-and-spray weed control in home lawns.
- Why selected: Versatile weed coverage with a simple spray application.
- Caution: Not all grass types tolerate every herbicide; avoid application on sensitive turf varieties without checking the label.
Bonide Weed Beater Plus Crabgrass & Broadleaf Weed Killer 32 oz
This 32-ounce ready-to-spray bottle targets more than 200 weeds, including crabgrass, dandelion, clover, and creeping Charlie. It is formulated to kill weeds at the leaf level and move toward the roots, helping to prevent re-emergence when used as directed. Not recommended for St. Augustine or Centipede grass types.
- Best for: Home lawns with mixed weed pressure and a need for a portable spray solution.
- Why selected: Clear, broad-spectrum coverage with convenient spray format.
- Caution: Check turf type compatibility; some grasses may be sensitive to certain active ingredients.
Sunday Weed & Green
This 5-in-1 weed control system combines pre-emergent and post-emergent action with lawn health benefits. It helps prevent crabgrass and broadleaf weeds while actively improving lawn color and density. The included hose-end sprayer makes application quick and convenient for larger yards.
- Best for: Users seeking both weed control and lawn enhancement in one product.
- Why selected: Dual-action approach reduces weed establishment and supports healthier turf growth.
- Caution: Pre-emergent components require proper timing to maximize effectiveness; follow seasonal guidelines.
Buying Guide: Key Considerations For Choosing Broadleaf And Crabgrass Herbicides
Weed species and turf type. Identify which weeds dominate your yard (crabgrass, dandelion, clover, etc.) and confirm compatibility with your turf type (fescue, Kentucky bluegrass, bermudagrass, or St. Augustine). Some products are labeled for specific grasses; select one that suits your lawn.
Mode of action and timing. Consider post-emergent vs. pre-emergent, or a combined formula for ongoing control. For recent weed growth, post-emergent options deliver faster knockdown; for prevention, pre-emergents help reduce germination in the upcoming season.
Potency and coverage. Higher concentration products can cover larger areas with fewer applications but require careful handling and proper dilution. Ready-to-use sprays are convenient for spot treatments, while concentrates suit larger or multiple sites.
Residual control vs. immediate kill. A longer residual control period reduces the frequency of applications but may carry increased risk of turf stress if misapplied. Weigh your tolerance for maintenance against the risk to desirable grasses.
Application method and safety. Hose-end sprayers, concentrates, and ready-to-use sprays each have distinct usage steps. Always follow label instructions for mixing, application timing, weather conditions, and reentry intervals for people and pets.
FAQ: Quick Answers For Buyers
- Q: What’s the difference between pre-emergent and post-emergent herbicides?
- A: Pre-emergents prevent weed seeds from germinating, while post-emergents kill existing weeds after they sprout.
- Q: Is Quinclorac effective on crabgrass and broadleaf weeds?
- A: Yes, Quinclorac targets many grassy and some broadleaf weeds; effectiveness depends on weed pressure and timing.
- Q: Can I use these products on all grass types?
- A: Not all products are labeled for every grass type. Check label limitations for specific turf varieties (e.g., St. Augustine, Centipede).
- Q: How soon can I expect visible results?
- A: Some products show results within days, while others provide gradual suppression over the weeks depending on weed size and environmental conditions.
- Q: Should I apply before rain or after?
- A: Most labels specify a rainfast period; applying after rainfall can reduce effectiveness. Follow product-specific guidelines for optimal results.