Maintaining a lush, weed-free lawn in the United States often means using a combination of weed control and lawn fertilizer. This guide highlights effective fertilizer-and-weed-killer products, explains how they work, and helps you choose the right option for your grass type and climate. Below is a quick summary of five popular products and how they can fit into a seasonal lawn care plan.
| Product | Best For | Season |
|---|---|---|
| Scotts Turf Builder Weed & Feed3 | Broadleaf weed control with lawn feeding | Spring to early Fall |
| Scotts Liquid Turf Builder with Plus 2 Weed Control | Rapid weed kill and quick nitrogen boost | Active growth periods |
| Scotts Turf Builder WinterGuard Fall Weed & Feed3 | Fall weed control and fertilizer | Fall |
| BioAdvanced 3-in-1 Weed and Feed for Southern Lawns | Southern grasses, long-lasting weed prevention | Spring to Fall |
| Scotts Turf Builder Triple Action | Kills weeds, prevents crabgrass, feeds | Spring to Summer |
Scotts Turf Builder Weed & Feed3
Scotts Turf Builder Weed & Feed3 combines weed killer with lawn fertilizer to both reduce existing listed weeds and thicken turf to crowd out future growth. It targets more than 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane. Apply during active weed growth when daytime temps are between 60°F and 90°F, with a maximum of two applications per year. This product is designed for broadleaf weed control while feeding the lawn, promoting a healthier, denser turf.
Scotts Liquid Turf Builder with Plus 2 Weed Control
Scotts Liquid Turf Builder with Plus 2 Weed Control delivers a quick, ready-to-spray weed-killer combined with fertilizer. It targets broadleaf weeds such as dandelion, clover, ground ivy, henbit, chickweed, and more, while supplying nitrogen to promote greener, more vigorous growth. Use during active weed growth for best results, and follow the product’s instructions for dilution and timing to achieve a balanced, weed-reduced lawn.
Scotts Turf Builder WinterGuard Fall Weed & Feed3
Scotts Turf Builder WinterGuard Fall Weed & Feed3 focuses on weed control and lawn feeding in the fall, helping prepare grass for the next growing season. It claims to control over 50 listed weeds, including clover and dandelion, while fertilizing to support spring green-up. Apply to a moist lawn when weeds are actively growing and temperatures are in the 60–90°F range for optimal effectiveness. This product is particularly suited to temperate regions transitioning into cooler seasons.
BioAdvanced 3-in-1 Weed and Feed for Southern Lawns
Designed for Southern grasses such as bermudagrass and St. Augustinegrass, BioAdvanced 3-in-1 Weed and Feed provides weed suppression and lawn nutrition with long-lasting protection. It covers listed broadleaf and grassy weeds, including crabgrass, while delivering up to six months of preventive protection. The product aims to keep warm-season lawns healthier and more resilient in hot climates, reducing weed competition throughout the growing season.
Scotts Turf Builder Triple Action
Scotts Turf Builder Triple Action combines weed killing, crabgrass prevention, and lawn fertilization in a single formula. It controls listed weeds such as dandelion, clover, dollarweed, ground ivy, chickweed, plantain, and others while preventing crabgrass for up to four months. The product helps establish a thicker, greener lawn by feeding as it guards against common seasonal weed challenges, making it a versatile option for moderate climates.
Buying Guide: Key Purchase Considerations
- Climate and grass type: Choose formulas specific to your region (Southern lawns vs. cool-season grasses). Some products are tailored for Bermudagrass, Zoysiagrass, or St. Augustinegrass, offering targeted weed control and compatibility with your turf.
- Weed spectrum: Review which weeds are listed as controlled by the product. If your lawn battles clover, dandelion, or crabgrass, ensure the product targets those species or provides a broad-spectrum solution.
- Seasonality: Fall applications help prepare lawns for spring, while spring and summer products address active weed growth. Consider a schedule that aligns with local temperatures and weed life cycles.
- One-step vs. multi-step: All-in-one weed-and-feed formulas simplify applications, but separate herbicide and fertilizer products may offer more precise timing and nutrient control for demanding lawns.
- Application rate and frequency: Check label directions for mowing intervals, re-entry times, and maximum annual applications to avoid stressing the lawn or harming the soil.
- Soil and moisture conditions: Most products require a moist lawn for activation. Avoid applying during drought or extreme heat unless the label allows; some products may specify optimal conditions for best results.
- Environmental considerations: Be mindful of runoff and irrigation practices to protect nearby waterways. Choose products with lower risk of leaching and follow local guidelines for herbicide use.
- Longevity of effect: Some products offer longer-lasting weed prevention (months), while others focus on rapid weed kill. Your choice depends on how you want to manage weeds over a season.
- Cost per area: Compare coverage claims (e.g., 4,000 sq. ft. vs. 8,000 sq. ft.) and per‑square‑foot cost to determine value across seasons.
- Safety and storage: Store in a cool, dry place and follow safety precautions on the label, especially if you have pets or children.