7 Best Fertilizer And Weed Killer | One Bag That Feeds & Fights

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The Andersons Professional Surge is a 40-pound bag built for homeowners who want professional-grade results without a truck rolling up to the curb. The 16-0-9 ratio delivers steady nitrogen feeding with zero phosphorus — safe for established turf and less likely to push runoff into storm drains. The four-way herbicide blend targets over 250 broadleaf weeds, including creeping charlie and chickweed, which many consumer-grade formulas struggle to suppress.

The particle size is intentionally finer than standard retail granules, which means more individual pieces land per square inch and the active ingredient disperses more uniformly. Users consistently report visible weed dieback within two weeks on dandelion and clover, though the product must be applied when soil moisture is present and temperatures remain above 50°F for the herbicide to translocate effectively. The bag covers up to 16,000 square feet — enough for a quarter-acre lawn with a bit left over for touch-ups.

The only real catch is grass-type compatibility; the label explicitly warns against use on Floratam St. Augustine, dichondra, and carpetgrass. If you own those, this bag is not your answer. Otherwise, the Andersons Surge is the most effective single-bag solution for medium-to-large lawns battling persistent broadleaf invaders.

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The GreenView Weed & Feed bag uses GreenSmart Enhanced Efficiency technology to meter out nitrogen for up to eight weeks. That means one application carries your lawn through a full summer growth cycle without the sudden spike-and-crash that forces frequent reapplication. The herbicide kills more than 250 weed species, with particular effectiveness against dandelion, clover, and plantain.

Real-world trials show the blue-coated pellets deliver consistent results when applied to a moist lawn and left undisturbed for at least 24 hours. Some users reported that the blue tint lingered on the grass blades for several days — a cosmetic issue, not a performance one — and that a few deep-rooted weeds like wild violet took longer to die compared to liquid spot-spraying. The 39-pound bag covers 15,000 square feet, putting it close to the Andersons in cost-per-coverage efficiency.

The product’s main vulnerability is timing. If you spread it before a heavy rain event, the granules can wash off grass blades into the thatch layer, reducing herbicide contact. It also cannot be used on St. Augustinegrass in Florida due to label restrictions. For northern and transition-zone lawns with Fescue, Bluegrass, or Bermuda, this is a low-maintenance, long-duration pick.

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Scotts Turf Builder WinterGuard is engineered specifically for fall application, with a nutrient profile aimed at strengthening root systems ahead of winter dormancy rather than pushing top-growth green-up. The herbicide blend kills over 50 listed broadleaf weeds, including clover, dandelion, and plantain, which are especially active during the cool moisture of autumn.

Users report that visible weed dieback takes roughly two weeks on clover and dandelion, and that the fertilizer component produces a denser lawn the following spring. The 11.43-pound bag covers 4,000 square feet — a standard suburban front lawn size. One recurring note from reviews: the product must be applied before November in most climates because freezing temperatures shut down herbicide translocation and waste the application entirely.

Scotts recommends applying to a moist lawn when daytime temperatures are between 60°F and 90°F. That means a late September or early October window in most northern zones. The product works on Bahiagrass, Bermuda, Bluegrass, Centipede, Fescue, Rye, and Zoysia but is not labeled for St. Augustine or Dichondra. If you want a fall-only calendar product that preps the lawn for spring recovery, this is it.

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Bonide ProZone Weed Beater Complete is unusual in the granular category because it combines both pre-emergent and post-emergent herbicides in one dry formulation. That means it kills broadleaf weeds that are actively growing while simultaneously laying down a barrier against crabgrass and goosegrass seeds trying to germinate. This dual action reduces the number of trips you make across the lawn per season.

The 10-pound bag claims 5,200 square feet of coverage, which is generous for the weight. Because the pre-emergent component degrades after 6-8 weeks, the product is best applied in early spring when soil temperatures hit 55°F, then followed up with a second application in late summer to maintain the barrier through the peak weed-germination window. Review data shows the post-emergent side works well on ground ivy and nutsedge but is weaker on well-established dandelion taproots that require deeper systemic uptake.

One safety note: the granules are attractive to dogs, who may try to eat them. The label recommends keeping pets off the lawn until the product is watered in and dry. For homeowners who want a single-granule solution that addresses both present and future weeds, Bonide’s two-in-one provides real convenience — just watch your spreader calibration to avoid over-application.

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Hi-Yield’s Turf & Ornamental Weed & Grass Stopper is built around Dimension (dithiopyr), a pre-emergent active ingredient that provides a wider application window than the common prodiamine-based products. Dimension can be applied up to four weeks later than many competing crabgrass preventers without losing efficacy, which gives spring lawn owners a meaningful margin for error when a rainy April delays their schedule.

The 12-pound bag treats up to 5,000 square feet, but users report that coverage is more consistent when the product is applied within a few days of mowing, allowing the granules to reach the soil surface rather than getting trapped in long grass blades. A smaller number of crabgrass plants may already be emerging if you push the late-spring window — Dimension also has some post-emergent activity on very young crabgrass, so it can still suppress early breakouts.

This product is primarily a pre-emergent with limited post-emergent action; it does not kill established broadleaf weeds like dandelion or clover. If your lawn has both crabgrass problems and a broadleaf infestation, you will need a separate post-emergent product. For pure crabgrass prevention with a forgiving timing window, Hi-Yield outperforms retail chain pre-emergents at a competitive price per square foot.

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Scotts Turf Builder Weed & Feed5 is the entry-level standard for homeowners looking for a single-step solution to greening up the lawn and killing dandelion and clover. The 11.32-pound bag covers 4,000 square feet, and the formulation is optimized for use with Scotts spreaders, which have preset dial numbers printed on the bag for foolproof calibration. The herbicide targets over 50 common weeds, making it one of the broadest consumer-grade post-emergent blends available.

Review data shows that dandelion and plantain begin wilting within two days of application, with full kill around the one-week mark. Clover takes longer — roughly two weeks — and some users report needing a second application for heavy infestations. The fertilizer component delivers a rapid green response within three to five days, largely due to the higher nitrogen content. The product must be applied to a wet lawn and needs 24 hours without rain to work fully.

The major limitation is the no-go list: do not use this on St. Augustine (including Floratam), Dichondra, Carpetgrass, or Bentgrass lawns. For homeowners with Bermuda, Fescue, Rye, or Zoysia who want a proven, widely available weed-and-feed bag, Scotts Weed & Feed5 delivers consistent results at a price point that makes it easy to repeat applications as needed.

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Pennington Full Season Lawn Fertilizer uses polymer-coated urea to deliver nitrogen over a four-month window from a single application. The 32-0-5 ratio is heavily weighted toward nitrogen for deep greening, and the addition of 5 percent iron provides a darker blue-green tint that many homeowners associate with a premium lawn. The product also includes beneficial microorganisms that break down thatch and improve soil biology over time.

The 11.2-pound bag claims 4,000 square feet of coverage, though several user reviews suggest typical real-world coverage is closer to 2,500 square feet for adequate dosing. That is still a reasonable trade-off given that one application replaces three monthly applications of a quick-release fertilizer. The product is not a weed killer — it does not contain any post-emergent herbicide. If broadleaf weeds are present, you must tackle them separately with a spot spray or a different product.

For homeowners whose primary goal is a lush, dark-green lawn without the hassle of monthly spreading, Pennington’s full-season delivery is a genuine time-saver. The iron additive is particularly effective on cool-season grasses that respond visibly to extra iron. Just remember that this bag feeds grass only — if your yard also needs weed suppression, you will need a companion product like the Bonide or Scotts options above to cover both bases.