Best Weed Killers and Fertilizers for Grass: A Practical Guide for a Healthier Lawn

Maintaining a lush, weed-free lawn requires choosing the right weed killer and fertilizer combo. The products below are designed to tackle common broadleaf weeds while feeding your grass to promote thicker, greener turf. This guide highlights five reliable options, combining weed control with seasonal fertilization to help your lawn look its best across the year.

Product Brand Key Benefit Coverage
Scotts Turf Builder WinterGuard Fall Weed & Feed3 Scotts Fall weed control and feeding 4000 sq. ft.
Scotts Liquid Turf Builder with Plus 2 Weed Control Scotts Quick-acting weed kill with fertilizer 32 fl. oz.
Scotts Turf Builder Weed & Feed3 Scotts Weed control and lawn food for thickening 5000 sq. ft.
Scotts Turf Builder Triple Action Scotts Kills weeds, prevents crabgrass, feeds 4000 sq. ft.
Scotts Turf Builder Weed and Feed5 Scotts Weed control and lawn fertilizer 4000 sq. ft.

The following sections provide detailed insights into each product, including how to apply, weed targets, and where they fit into a year-round lawn care strategy. Consider your grass type, local climate, and weed pressures when selecting a product.

Scotts Turf Builder WinterGuard Fall Weed & Feed3


Scotts Turf Builder WinterGuard Fall Weed & Feed3 product image

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Scotts Turf Builder WinterGuard Fall Weed & Feed3 combines weed control with fall fertilization to prepare your lawn for spring. It targets over 50 listed lawn weeds, including clover, dandelion, plantain, morning glory, chicory, evening primrose, and purslane. Apply on a moist lawn when weeds are actively growing and temperatures range from 60°F to 90°F. This product supports a healthier lawn by feeding as weeds are being controlled, helping reduce weed resurgence in the next growing season.

Scotts Liquid Turf Builder with Plus 2 Weed Control


Scotts Liquid Turf Builder with Plus 2 Weed Control image

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This liquid formulation provides a quick weed control option with a nitrogen boost to promote greening. It targets broadleaf weeds such as dandelion, clover, ground ivy, henbit, chickweed, and plantain, among others. The ready-to-spray bottle makes it convenient to apply when weeds are actively growing, delivering fast results while feeding the lawn to improve overall vigor.

Scotts Turf Builder Weed & Feed3


Scotts Turf Builder Weed & Feed3 product image

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Scotts Turf Builder Weed & Feed3 combines weed control with lawn food to thicken your lawn and crowd out future weeds. It controls over 50 listed weeds, including clover, dandelion, plantain, morningglory, chicory, evening primrose, and purslane. Apply to a wet lawn when weeds are actively growing and daytime temps are between 60°F and 90°F. Do not exceed two applications per year to maintain lawn health and prevent over-fertilization.

Scotts Turf Builder Triple Action


Scotts Turf Builder Triple Action product image

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Scotts Turf Builder Triple Action provides three benefits in one: it kills listed weeds, prevents crabgrass for four months, and feeds the lawn to promote thick, green growth. It targets common lawn weeds such as dandelion, clover, dollarweed, ground ivy, chickweed, plantain, and henbit. It also helps deter new weed growth by providing ongoing protection, making it a solid option for treating weed pressure while maintaining lawn health during peak growing periods.

Scotts Turf Builder Weed and Feed5


Scotts Turf Builder Weed and Feed5 product image

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Scotts Turf Builder Weed & Feed5 combines weed control with lawn fertilization to thicken grass and crowd out future weeds. It controls over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, evening primrose, and purslane. Apply when weeds are actively growing and temperatures range from 60°F to 90°F. As with other Scotts formulations, avoid applying more than two times per year to protect turf health and prevent fertilizer burn.

Buying Guide: Key Purchase Considerations For Weed Killers And Lawn Fertilizers

  • Weed targets and spectrum: Review the weeds common to your area. Some products target broadleaf weeds like dandelion and clover, while others offer crabgrass prevention or multi-season control. Choose a formula that matches your weed pressure.
  • Seasonal timing: Fall-focused formulas help prepare lawns for spring and can boost root recovery. Spring and summer blends may emphasize rapid greening and weed suppression during peak growth.
  • Fertilizer type and rate: Lawn fertilizers differ in nitrogen content and nutrient balance. Consider slow-release options for longer-lasting feeding and to reduce the risk of burn on drought-stressed turf.
  • Application method: Granular options require irrigation to activate, while liquid formulas offer quicker results and easier adjustable dosing. Consider your mowing and watering schedule when selecting.
  • Lawn type compatibility: Some products are designed for specific grass species or regions (for example, southern lawns). Ensure the product is suitable for your grass type to maximize effectiveness.
  • Environmental and safety considerations: Follow label directions to protect kids, pets, and beneficial insects. Some products can be safer for certain soil conditions or sensitive landscapes.
  • Coverage and dilution: Verify the coverage area to match your lawn size. Over-application can lead to runoff or fertilizer burn, while under-application may leave weeds untreated.
  • Combination vs. separate products: All-in-one weed killers and fertilizers are convenient, but dedicated weed control or fertilizer products can offer tailored performance if your lawn has unique needs.
  • Long-term lawn health: Consider products that promote thick, resilient turf. A dense lawn can naturally suppress future weeds, reducing long-term maintenance needs.

When selecting a product, align your choice with your lawn goals, local climate, and weed profile. For many home lawns, a balanced approach that combines effective weed control with steady feeding yields the best results over time.