The following selection focuses on products that effectively kill crabgrass and broadleaf weeds while protecting established turf. Each option is designed to target crabgrass at the root or prevent its return, without harming common grass varieties when used as directed. The list below highlights five reliable picks from Amazon, spanning ready-to-use sprays, concentrates, and pre-emergent preventers to fit different lawn care routines.
| Product | Type | Best Use |
|---|---|---|
| Ortho WeedClear Lawn Weed Killer Ready-To-Spray | Herbicide | Active treatment for existing crabgrass |
| BASF Drive XLR8 Crabgrass Killer | Herbicide (Concentrate) | Post-emergent control with up to 30 days residual |
| Roundup for Lawns Crabgrass Destroyer2 | Herbicide | Kills crabgrass to the root in established lawns |
| Scotts Halts Crabgrass & Grassy Weed Preventer | Pre-emergent | Season-long prevention of crabgrass |
| Scotts WeedEx Prevent with Halts | Pre-emergent | Prevents crabgrass before it starts |
Ortho WeedClear Lawn Weed Killer Ready-To-Spray
The Ortho WeedClear product is formulated to kill a variety of lawn weeds, including crabgrass, dandelion, clover, chickweed, and creeping charlie, with a single application when used as directed. It is designed for broadcast treatment on common turfgrasses such as Bermudagrass, Buffalagrass, fescues, Kentucky bluegrass, ryegrass, and zoysiagrass. The fast-acting formula aims to deliver visible results quickly while protecting established grass from damage when applied properly. This ready-to-spray option is suitable for homeowners seeking a straightforward, one-step weed-control solution for an active crabgrass problem.
BASF Drive XLR8 Crabgrass Killer for Lawn & Turf
This post-emergent herbicide uses a quinclorac-based formulation designed for rapid uptake and fast results. It offers up to 30 days of residual control and is rainfast in under an hour, helping to reduce repeated applications. Its broad-spectrum capability extends to various broadleaf and grassy weeds beyond crabgrass, making it a versatile option for maintaining a weed-free lawn. Suitable for treating turfgrasses, the product emphasizes quick action and extended protection for active weed control programs.
Roundup for Lawns Crabgrass Destroyer2
Roundup for Lawns Crabgrass Destroyer2 is formulated to kill crabgrass and other grassy weeds down to the root in established lawns. It is designed for use on common turf blends, including Kentucky bluegrass, fine fescue, perennial ryegrass, and tall fescue. The product emphasizes robust root-level control to prevent regrowth and offers a reliable option for homeowners dealing with persistent crabgrass infestations in cool-season and warm-season grasses alike.
Scotts Halts Crabgrass & Grassy Weed Preventer
Scotts Halts Crabgrass & Grassy Weed Preventer is a pre-emergent option designed to prevent crabgrass and other grassy weeds from establishing in your lawn. Packaged as a 2-pack covering up to 5,000 square feet per bag, it provides season-long protection when applied in early spring. The product aims to minimize future weed pressure by stopping crabgrass before it starts, which can be advantageous for proactive lawn care programs and maintenance of uniform turf appearance throughout the growing season.
Scotts WeedEx Prevent with Halts
Scotts WeedEx Prevent with Halts combines pre-emergent action with Halts to prevent crabgrass and other grassy weeds. Its formulation targets weed seeds in the soil, reducing germination rates and providing preventive protection for up to a season, depending on application timing and lawn conditions. This option suits homeowners seeking a reliable long-term strategy to minimize crabgrass emergence without relying solely on post-emergent treatments.
Buying Guide: Key Considerations for Choosing Crabgrass Solutions
- Type of control: Post-emergent killers eradicate existing crabgrass, while pre-emergents prevent new germination. Many lawns benefit from a combination approach, using a pre-emergent in early spring and a post-emergent as needed.
- Lawn type compatibility: Check label guidance for your grass variety (cool-season vs warm-season) and ensure the product is safe for your specific turf to avoid damage.
- Weather and timing: Post-emergent products typically require moisture and certain temperatures for optimal uptake. Pre-emergents are most effective when applied before weed seeds germinate.
- Residual effects: Some products offer longer residual control, reducing the frequency of applications but requiring careful timing to avoid stressing the lawn.
- Broad-spectrum vs targeted: If your lawn has multiple weed species, a broad-spectrum product may reduce the need for multiple treatments, but always follow label instructions to avoid harm to desirable grasses.
- Application method: Ready-to-use sprays simplify application, while concentrates may require mixing. Consider equipment, coverage area, and ease of use when selecting a product.
- Environmental and safety considerations: Follow safety guidelines, keep children and pets away during application if advised, and store products as directed.
- Cost-per-season: Compare per-season coverage and reapplication requirements to determine long-term value for your lawn care routine.