Fall pre-emergents help prevent weeds before they germinate, keeping lawns thick and healthy through winter and into spring. This article highlights five top pre-emergent products, detailing coverage, active ingredients, and suitability for common turf types. Use the buying guide to compare options and choose the best fit for your lawn care routine.
| Product | Brand | Approx. Coverage | Key Benefit |
|---|---|---|---|
| The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control | The Andersons | Up to 5,800 sq ft (18 lb) | Prodiamine-based, fast-dissolving granules for soil-penetrating weed prevention |
| Prodiamine 65 Wdg 5lbs Pre-emergent | Quali-Pro | Coverage varies by application rate | Broad-spectrum pre-emergent for grassy and broadleaf weeds |
| Yard Mastery 0-0-7 Dimension Pre-Emergent | Yard Mastery | Up to 6,000 sq ft | Dithiopyr-based control with phosphorus-free fertilizer base |
| Scotts WeedEx Prevent with Halts | Scotts | Up to 5,000 sq ft | Season-long prevention of crabgrass and other grassy weeds |
| The Andersons Barricade Fertilizer with Pre Emergent Weed Control | The Andersons | Up to 5,000 sq ft | Fertilizer plus prodiamine for proactive weed prevention |
Introduction ends here with a concise overview of options. The following sections provide detailed product insights to help you pick the right pre-emergent for your lawn’s needs.
The Andersons Barricade Professional-Grade Granular Pre-Emergent
The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control is designed to prevent weed germination in early spring and fall applications. It uses prodiamine as the active ingredient at 0.48%, delivering professional-grade prevention for both grassy and broadleaf weeds such as crabgrass, Poa annua, goosegrass, and henbit. The product features patented DG Technology (dispersible granules) that dissolve rapidly upon watering, moving weed control directly into the soil for maximum impact. It is suitable for established lawns and landscapes seeking season-long preventive protection without addressing existing weeds.
Ideal for homeowners who want robust preventative coverage with a straightforward application. Application timing is crucial to align with typical weed germination windows in your region. The product is designed to prevent a broad array of common lawn weeds and provides reliable soil-based protection when watered in after seeding or aeration.
Prodiamine 65 Wdg 5lbs Pre-emergent
Quali-Pro’s Prodiamine 65 WDG provides pre-emergent control for both grasses and broadleaf weeds. Targeted pests include Poa annua, crabgrass, goosegrass, henbit, and many others listed on the product label. It is suitable for established turfgrasses excluding golf course putting greens, lawns, sod nurseries, landscape ornamentals, perennials, and other plantings. The flexible label allows spring and fall applications, helping maintain long-term crabgrass and weed suppression across seasons. Users should consult the label for a complete pest table and application constraints based on turf type.
Pros include strong seasonal coverage and compatibility with common lawn care programs. Consider your lawn type and local climate to time applications correctly for maximum efficacy and to minimize label restrictions.
Yard Mastery Dimension Pre-Emergent
Yard Mastery Dimension Pre-Emergent is a 0-0-7 granular formulation that uses Dithiopyr to prevent weeds before germination. It covers up to 6,000 square feet per bag, making it suitable for small to medium lawns. The product also provides a fertilizer base that supports potassium uptake without pushing extra growth, balancing recovery and prevention. This option is well-suited for homeowners who want an integrated approach to weed prevention and lawn nutrition in one bag.
Consider timing and regional weed pressure. Dithiopyr offers pre-emergent protection with potential residual activity into the fall, aiding in winter weed suppression. Always follow bag instructions for application rates to avoid feeding stress on turf.
Scotts WeedEx Prevent with Halts
Scotts WeedEx Prevent with Halts is a pre-emergent herbicide designed to stop crabgrass and other grassy weeds before they start. It can be applied in early spring for season-long crabgrass prevention or in fall to deter winter weeds such as Poa annua, henbit, and chickweed. The product emphasizes long-lasting protection by interfering with weed germination at the soil surface level, helping keep lawns weed-free as temperatures drop and weed pressure shifts.
As with any pre-emergent, effective results depend on correct timing and uniform distribution. It is important to read the product label for application timing windows and rate guidance tailored to your turf type and regional climate.
The Andersons Barricade Fertilizer With Pre Emergent
This product combines Barricade pre-emergent weed control with an 18-0-4 fertilizer to promote lawn health while preventing weed germination. It contains 0.426% prodiamine and is designed to prevent 30 common grass and broadleaf weeds, including crabgrass and Poa annua. The dual approach helps homeowners address both weed prevention and lawn nutrition in one step, supporting a thicker, healthier turf after application.
Consider whether you want a combined fertilizer-and-pre-emergent solution or a separate weed control product. Compatibility with existing fertilization plans and irrigation schedules should be reviewed to maximize the product’s performance and avoid potential nutrient overload.
Buying Guide: Key Purchase Considerations
- Active ingredient and weed spectrum: Prodiamine-based products offer broad preventative coverage against grassy and some broadleaf weeds, while Dithiopyr-focused formulas provide early-season suppression with some residual effects. Match the active ingredient to your typical weed pressure.
- Coverage and bag size: Compare square footage coverage per bag to determine cost-effectiveness for your lawn size. Larger lawns benefit from higher coverage per bag, while smaller yards may prefer lighter bags for seasonal use.
- Turf compatibility: Check label guidelines for suitable turf types (cool-season vs warm-season grasses, lawns, nurseries, ornamentals). Some products exclude golf course greens or certain ornamental settings.
- Timing and seasonality: Fall applications preempt winter weed germination; spring applications target early weed emergence. Plan timing around your region’s climate and grass growth cycles.
- Nutrition co-options: Some products combine pre-emergent with fertilizer, offering convenience but requiring careful alignment with your fertilization plan to avoid over- or under-feeding.
- Application method: Granular formulations require even distribution with a spreader and watering-in after application. Some products may have dispersible granules for quicker soil movement after irrigation.
- Allergen and environmental considerations: Consider runoff potential, irrigation practices, and environmental impact when selecting a product and scheduling applications.
The selections above reflect widely available options that target common fall weed pressures in American lawns. When choosing a product, align your choice with your turf type, regional climate, and weed history to optimize prevention and lawn health across seasons.