Best Weed Killer and Fertilizer for Grass

Choosing the right weed killer and fertilizer can keep lawns healthy, lush, and weed-free throughout the seasons. This article highlights five top-rated products that combine weed control with lawn feeding, helping you plant a thriving, green carpet. Each option targets common weeds, supports grass growth, and is suited for a typical American lawn. Compare formulas, active ingredients, and application guidance to find the best fit for your yard.

Product Brand Key Benefit Coverage
WinterGuard Fall Weed & Feed3 Scotts Kills fall weeds and feeds for spring recovery 4,000 sq ft
Liquid Turf Builder With Plus 2 Weed Control Scotts Liquid weed killer with nitrogen for quick greening 32 fl oz
Weed & Feed3 Scotts Kills existing weeds and feeds to thicken lawn 5,000 sq ft
Triple Action Weed Killer And Fertilizer Scotts Kills weeds, prevents crabgrass, and feeds 4,000 sq ft
Weed And Feed5 Scotts Controls 50+ listed weeds and fertilizes 4,000 sq ft

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 is a weed killer and lawn fertilizer designed for fall application, helping control weeds and feed grass for a healthier lawn next spring. It targets over 50 listed weeds, including clover, dandelion, and purslane. Apply when weeds are actively growing and temperatures are between 60°F and 90°F for best results. This formula supports thick, green turf by supplying essential nutrients as weeds decline.

Scotts Liquid Turf Builder with Plus 2 Weed Control

Scotts Liquid Turf Builder with Plus 2 Weed Control product image

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Scotts Liquid Turf Builder with Plus 2 Weed Control combines weed-killing action with a quick nitrogen boost to promote greener, healthier grass. It targets broadleaf weeds such as dandelion, clover, ground ivy, henbit, chickweed, and plantain, among others. Designed for active growth periods, this ready-to-spray formulation provides rapid results and convenient application with a spray nozzle for even coverage.

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 feeding to thicken the turf and crowd out future weeds. It covers over 50 listed lawn weeds including clover, dandelion, plantain, and chicory. Apply to a wet lawn when weeds are actively growing and daytime temperatures are between 60°F and 90°F. Do not apply more than twice per year to avoid over-fertilization and turf stress.

Scotts Turf Builder Triple Action

Scotts Turf Builder Triple Action product image

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Scotts Turf Builder Triple Action is a three-in-one formula that kills listed weeds, prevents crabgrass for up to four months, and feeds to promote thick, green lawns. It provides ongoing protection against crabgrass and other grassy weeds while delivering nutrients to strengthen the turf. Suitable for lawns facing a mix of broadleaf and grassy weeds, it emphasizes long-term weed prevention alongside growth support.

Scotts Turf Builder Weed And Feed5

Scotts Turf Builder Weed and Feed5 product image

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Scotts Turf Builder Weed & Feed5 is a weed killer plus lawn fertilizer designed to control over 50 listed weeds while feeding to thicken turf. It’s applicable to lawns with a wet surface and active weed growth, with recommended use windows between 60°F and 90°F. The product aims to reduce future weed germination and support a robust, competitive lawn.

Buying Guide: Key Purchase Considerations And Comparisons

Selecting the right product involves balancing weed control strength, fertilizer content, coverage, and timing with your lawn type and climate. Consider the following:

  • Weed spectrum: If your lawn battles broadleaf weeds (dandelion, clover) and grassy weeds (crabgrass), multi-action formulas like Triple Action or Weed & Feed variants provide broader protection. For seasonal targets, fall-focused products prepare the lawn for spring.
  • Coverage and lawn size: Choose a product with appropriate coverage for your yard. Larger yards benefit from 4,000–5,000 sq ft formulations, while small patches can use concentrated liquids or granules with precise application schedules.
  • Form and application: Granular weed killers require watering-in, while liquid formulations offer quick absorption and easier timing control. Consider weather conditions and whether you prefer ready-to-spray options for convenience.
  • Seasonality and timing: Fall weed-and-feed products help prepare for spring, while spring/summer formulas target weeds during peak growth. Temperature guidelines (often 60–90°F) ensure optimal weed absorption and grass safety.
  • Grass compatibility: Some formulas are tailored for common turf types (Bermudagrass, St. Augustinegrass, etc.). Check product notes for compatibility with your lawn species to prevent damage.
  • Crabgrass prevention: If crabgrass is a concern, select products that include a preventive component or have a separate pre-emergent option to minimize future outbreaks.
  • Environmental and safety considerations: Follow label directions for pet and child safety, water runoff, and any environmental precautions. Use the product amount recommended for your area and avoid over-application.
  • Maintenance integration: For ongoing lawn health, combine weed control with regular fertilization plans aligned with your local climate and soil conditions. Regular mowing and proper watering routines amplify the effectiveness of these products.

In sum, these products provide a mix of fast-acting weed control and nutrient delivery. When choosing, align product type (granular vs. liquid), coverage, timing, and your specific weed challenges with your lawn’s grass type and climate. Always follow the label instructions for safe and effective use.