Fall is the ideal time to care for cool-season grasses. The right weed killer and fertilizer together can reduce weed growth and prepare your lawn for a vigorous spring. This guide highlights five top fall weed-and-feed products from Scotts that are widely available on Amazon, detailing how they work, where they fit best, and what to consider before you buy.
| Product | Coverage | Type | Best For |
|---|---|---|---|
| Scotts Turf Builder WinterGuard Fall Weed & Feed3 | 4,000 sq. ft. | Weed Killer + Fertilizer | Smaller lawns needing weed control |
| Scotts Turf Builder WinterGuard Fall Weed & Feed5 | 12,000 sq. ft. | Weed Killer + Fertilizer | Medium to large lawns |
| Scotts Turf Builder WinterGuard Fall Weed & Feed3 (5,000 sq. ft.) | 5,000 sq. ft. | Weed Killer + Fertilizer | Medium spaces with weeds |
| Scotts Turf Builder WinterGuard Fall Weed & Feed5 (4,000 sq. ft.) | 4,000 sq. ft. | Weed Killer + Fertilizer | Compact to mid-sized lawns |
| Scotts Turf Builder WinterGuard Fall Weed & Feed3 (12,000 sq. ft.) | 12,000 sq. ft. | Weed Killer + Fertilizer | Large lawns |
Note: The following products are listed in the order that aligns with common residential lawn sizes and coverage needs. All are designed to kill broadleaf weeds while feeding turf as temperatures cool, typically when weeds are actively growing and soil temperatures fall within a safe range.
Scotts Turf Builder WinterGuard Fall Weed & Feed3 (4,000 Sq. Ft.)
This product combines weed control with fall fertilization to prepare your lawn for spring. It targets more than 50 listed lawn weeds, including clover, dandelion, plantain, morning glory, chicory, evening primrose, and purslane. Apply to a moist lawn when weeds are actively growing and the temperature range is between 60°F and 90°F. The formulation is designed to feed existing grass while reducing weed competition, helping to promote a thicker, greener lawn come spring.
Scotts Turf Builder WinterGuard Fall Weed & Feed5 (12,000 Sq. Ft.)
Designed for larger lawns, this option combines effective weed control with fall fertilization to help lawn recovery and growth by spring. It claims broad weed control, including the same common targets found in the 4,000-square-foot version, and recommends application on a wet lawn when weeds are actively growing within the same temperature window. The extended coverage makes it practical for bigger properties that want a single treatment in the fall.
Scotts Turf Builder WinterGuard Fall Weed & Feed3 (5,000 Sq. Ft.)
This mid-size option blends weed suppression with fall lawn nourishment. It targets over 50 listed lawn weeds and is suitable for homeowners who need a reliable fall treatment for medium-sized lawns. The product specifies application to a wet lawn when weeds are actively growing and within the 60–90°F window, aligning with typical fall weather patterns in many American regions.
Scotts Turf Builder WinterGuard Fall Weed & Feed5 (4,000 Sq. Ft.)
This option suits smaller to mid-sized lawns with a need for both weed control and fall nutrition. The kit explicitly covers more than 50 listed weeds, including common broadleaf species, while feeding roots and shoots to help lawns recover from summer stress. As with the other products, it should be applied to a wet lawn when weed growth is active and temperatures stay between 60°F and 90°F for best results.
Scotts Turf Builder WinterGuard Fall Weed & Feed3 (12,000 Sq. Ft.)
For extensive properties, this 12,000-square-foot option provides robust weed suppression and fall fertilization to set up a strong spring. It targets a broad spectrum of common lawn weeds and advises applying under similar conditions—moist lawn, active weed growth, and temperatures between 60°F and 90°F. This version balances coverage with a complete fall feeding program to bolster root development and overall lawn resilience.
Buying Guide: Key Considerations For Fall Weed & Feed
- Lawn size and coverage: Choose a product that matches your lawn’s square footage to avoid waste and ensure even distribution. Larger yards benefit from higher-coverage formulas, while smaller lawns can use compact options.
- Weed targets: Most Scotts fall weed-and-feed products cover a broad range of common lawn weeds such as clover, dandelion, plantain, and chickweed. If you have a known weed issue (e.g., crabgrass, dollarweed), verify that the product addresses it.
- Temperature and growth window: Fall applications are most effective when weeds are actively growing and soil temperatures are within roughly 60–90°F. Plan applications after a period of moderate weather for optimal uptake.
- Fertilization timing: Fall feeding supports root development and stores energy for spring green-up. Consider combining weed control with a balanced nitrogen source appropriate for your grass type.
- Lawn type compatibility: These products are designed for common cool-season grasses. If your lawn includes warm-season grasses or unusual blends, verify compatibility to avoid turf damage.
- Environmental conditions: Avoid application before heavy rainfall or on very windy days to minimize drift and runoff. Follow label directions for safe use around pets and children.
- Sequence and rotation: If you use multiple treatments across the season, stagger applications to prevent fertilizer burn or weed resistance. Read product labels for any rotation guidelines.
- Storage and handling: Keep bags sealed and store in a dry, shaded area. Use protective gear as recommended by the label when spreading.
Bottom line: Fall weed-and-feed products from Scotts are designed to simplify lawn care by pairing weed suppression with nutrient delivery. Selection should align with lawn size, weed profile, and regional weather patterns to maximize spring recovery and overall lawn health.