For American lawns, pairing effective weed control with steady fertilization can lead to thicker, greener turf. This guide highlights top products designed to kill common lawn weeds while feeding the grass, helping you crowd out future weeds. Read on to compare options and find the right fit for your lawn’s needs and local climate.
| Product | Brand | What It Does | Coverage |
|---|---|---|---|
| Scotts Turf Builder Weed & Feed3 | Scotts | Kills listed weeds; feeds to thicken lawn | 5,000 sq. ft. |
| Scotts Liquid Turf Builder with Plus 2 Weed Control | Scotts | Kills weeds; provides quick nitrogen boost | 32 fl. oz. |
| Scotts Turf Builder Triple Action | Scotts | Kills weeds; prevents crabgrass; feeds | 4,000 sq. ft. |
| Ortho WeedClear Lawn Weed Killer Ready-To-Spray | Ortho | Kills listed weeds; fast-acting | 32 oz. |
| Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer | Roundup | Kills and prevents for up to 12 months | 1 gal. |
Scotts Turf Builder Weed & Feed3 Overview
Scotts Turf Builder Weed & Feed3 combines weed control with lawn fertilizer to thicken turf and crowd out future weeds. It targets more than 50 listed lawn weeds including dandelion, clover, plantain, and evening primrose, delivering nutrients to promote a dense, green lawn. Use when weeds are actively growing and temperatures range between 60°F and 90°F. Avoid applying more than twice per year to prevent lawn stress. Application on a wet lawn is recommended for best uptake, though follow label directions exactly for safety and effectiveness.
Scotts Liquid Turf Builder With Plus 2 Weed Control
This ready-to-spray formula delivers rapid greening and weed suppression. It kills broadleaf weeds such as dandelion, clover, and plantain while providing essential nitrogen to promote a healthier, greener lawn. The liquid format enables quick uptake through foliage, making it suitable for active weed growth periods. Apply as directed, ensuring weeds are actively growing for best results, and avoid over-application which can stress the turf.
Scotts Turf Builder Triple Action
Triple Action combines weed control, crabgrass prevention, and lawn feeding in a single product. It targets listed lawn weeds such as dandelion, clover, and plantain while providing nutrients to promote thick, green growth and help deter new weed invasion. It offers a four-month crabgrass prevention window, but it does not kill existing crabgrass. Best applied during periods of active growth and moderate temperatures, following the product’s instructions for the optimal spread pattern and timing.
Ortho WeedClear Lawn Weed Killer Ready-To-Spray
Ortho WeedClear is a ready-to-spray weed killer designed for lawns. It targets weeds like dandelion, clover, chickweed, and crabgrass with fast-acting results. The formulation is designed to avoid harming common lawn grasses when used as directed, and it provides a broad-spectrum approach suitable for active weed seasons. Application should follow label instructions for turf type compatibility and re-entry intervals after spraying.
Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer
Roundup Dual Action 365 provides one-step weed control and extended prevention for up to 12 months. It targets a broad range of weeds, including dandelion, clover, large and smooth crabgrass, and other broadleaf and grassy weeds. The product is rainfast within about 30 minutes and shows visible results within hours. It’s suitable for treating affected areas such as driveways, walkways, and around landscape features, with care taken to protect desirable plants and avoid runoff into non-target areas.
Buying Guide
Key considerations when choosing a weed killer and lawn fertilizer product include weed spectrum, lawn type, and climate. If your lawn faces many broadleaf weeds (like dandelion and clover), products labeled for broadleaf control combined with fertilizer provide a two-in-one solution. For lawns with crabgrass threats, look for formulas that include crabgrass prevention. Consider whether you prefer granular products (limit seasons and require watering) or liquid formulations (quicker action and easier to apply on large areas).
Avoid applying products under extreme heat or drought, as stress can reduce effectiveness and damage the lawn. Read label directions for application rates, frequency, and safety notes to protect children, pets, and beneficial insects. For seasonal changes, plan applications in spring or fall when weeds are actively growing but the lawn is not under heat stress. Always ensure compatibility with your specific turf type (Bermudagrass, fescue, Kentucky bluegrass, etc.).
Application methods vary: granules require even spreading and follow-up watering, while ready-to-spray formulas offer quick uptake through foliage. For broad coverage and fewer applications, consider products with both weed control and fertilizer in one step. If you seek long-term weed prevention, select a product that emphasizes residual control. Finally, inspect local regulations and environmental guidelines, especially near waterways, to minimize unintended impacts.