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Picking the right lawn feed weed killer matters because these products must do two jobs at once: feed the turf and suppress broadleaf weeds without harming desirable grass. In an active lawn you want steady green-up, durable root growth, and reliable control of dandelions, clover, and plantain. This guide covers six top shortlisted lawn feed weed killers suited to typical home lawns. We evaluate each option for nutrient formulation, weed control spectrum, turf safety, and ease of application so you can match a solution to your yard size, grass type, and seasonal timing.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Scotts Turf Builder Weed & Feed, 14.29 lb |  |
| Best Quality Built to a higher standard if you want something more solid | The Andersons Surge Weed and Feed 16-0-9 Fertilizer (40 lb) |  |
| Best Value The sweet spot between price and what you get | BioAdvanced 5-in-1 Weed and Feed Granules (9.6 lb) |  |
| Best Budget The cheapest option that still gets the job done reliably | Spectracide Weed & Feed 20-0-0 Ready-to-Spray, 32 oz |  |
| Highest Rated A top-rated pick with lots of positive feedback | Scotts Turf Builder WinterGuard Fall Weed & Feed, 11.43 lb |  |
| Most Popular A crowd favorite that many people choose with confidence | Scotts Turf Builder Weed & Feed (42.87 lb) |  |
Scotts Turf Builder Weed & Feed, 14.29 lb
| Item Form | Granule |
|---|---|
| Coverage | 5000 square_feet |
| Active Ingredients | 2,4-D 1.220%, Mecoprop 0.081% |
Scotts Turf Builder Weed & Feed is a granular two-in-one product that targets common broadleaf weeds while delivering lawn food to promote thicker turf. You apply it with a broadcast or drop spreader when weeds are actively growing and temperatures are between 60°F and 90°F, ideally onto a dew-wet lawn so granules stick to weed leaves. The formula uses WeedGrip technology and lists active ingredients (2,4-D and mecoprop) to control dandelions, clover and many other named weeds while the fertilizer helps green and thicken grass over time. Practical benefits include the convenience of one application that both kills established weeds and feeds the lawn, clear dosing guidance for common spreaders, and coverage suitable for small to medium yards. Important limitations are that it should not be used on certain grass types such as St. Augustine and bentgrass, you must avoid watering for 24 hours after treatment, and it requires careful timing and safety precautions for children and pets until dust settles.
Best for: Homeowners who want a straightforward, single-step product to both reduce broadleaf weeds and feed a typical small to medium lawn and who follow label timing and safety instructions.
Less Ideal for: Owners of lawns made up of excluded grass species or those who need a pet- and child-free application window that is hard to guarantee should consider alternative targeted or nonchemical options.
- Combines broadleaf weed control and fertilizer in one granular application
- WeedGrip technology and listed actives target common weeds like dandelions and clover
- Clear application instructions with recommended spreader settings for consistent coverage
- Covers up to 5,000 sq. ft., suitable for small to medium lawns
- Not safe for several turf types (St. Augustine, bentgrass, carpetgrass and others)
- Requires specific temperature and moisture conditions for best results and no watering for 24 hours after application
Verdict: Use this if you want a convenient, proven granular product that kills common broadleaf weeds while feeding and thickening a small to medium lawn.
The Andersons Surge Weed and Feed 16-0-9 Fertilizer (40 lb)
| Item Form | Granule |
|---|---|
| Coverage | 16000 square_feet |
| Unit Count | 640 Ounce |
| Active Ingredients | Herbicide |
The Andersons Surge Weed and Feed is a granular 16-0-9 fertilizer with a four-way herbicide designed to kill broadleaf weeds while building greener, thicker turf. It is applied with a broadcast spreader to established lawns when weeds are actively growing; instructions recommend mowing 1–2 days before, applying to a damp lawn so granules stick, and avoiding watering for at least 24 hours afterward. The product claims control of more than 250 common weeds and uses small particle granules to improve coverage per square inch. For performance-oriented users this delivers a combined fertility and weed control step that can simplify seasonal applications and cover up to 16,000 sq ft per bag. Important limitations are that it is not for newly seeded lawns or certain turf types such as Floratam St. Augustine, dichondra, carpetgrass, or creeping bentgrass, and it requires careful timing and dry weather after application to be effective. The concentrated herbicide-fertilizer mix makes it a practical choice when you want both weed knockdown and a nutrient boost in one pass.
Best for: Homeowners who prioritize strong, season-long turf performance and want a single product to both feed lawns and knock back a wide range of broadleaf weeds on established turf.
Less Ideal for: Gardeners establishing new lawns, those with restricted turf species listed in the label, or people who need a herbicide-only product without added fertilizer.
- Combines four-way herbicide with 16-0-9 fertilizer for simultaneous weed control and feeding
- Small particle granules for improved coverage and contact with weed leaves
- Covers up to 16,000 square feet per 40 lb bag, suitable for large lawns
- Effective on over 250 common broadleaf weeds, including dandelions and clover
- Not safe for certain turf types and newly seeded lawns, limiting where it can be used
- Requires damp application and at least 24 hours without rain or irrigation to avoid wash-off
Verdict: Choose this product when you want a single professional-grade application that feeds established lawns and controls a wide spectrum of broadleaf weeds across a large area.
BioAdvanced 5-in-1 Weed and Feed Granules (9.6 lb)
| Item Form | Granule |
|---|---|
| Coverage | 4000 square_feet |
| Active Ingredients | Dicamba, Quinclorac |
The BioAdvanced 5-in-1 Weed and Feed is a single-application granular lawn treatment that combines multiple herbicides with fertilizer to kill existing weeds and crabgrass while feeding turf. You apply it with a broadcast or drop spreader to an established, dry lawn, then water in and avoid mowing for at least a day. The formula targets over 200 listed broadleaf weeds and claims to control large crabgrass down to the root, with a preventative barrier that can reduce new weed emergence for up to six months and fertilizer benefits for about three months. Notable features include concentrated active ingredients (Dicamba and Quinclorac), a large coverage area per bag, and straightforward spreader-friendly granules. Practical benefits are reduced need for separate spot treatments, fewer repeat applications, and greener, thicker turf for several weeks after use. Important limitations are standard pesticide precautions to protect children and pets and the need to follow timing and spreader calibration carefully for safe, uniform results; it is also not labeled for sale in certain states and territories.
Best for: Homeowners who want a practical, time-saving single-step treatment to both reduce weeds and feed their lawn across a mid-size yard and who follow product directions for safe application.
Less Ideal for: Those managing very small lawns, organic or chemical-free landscapes, or users who need state-restricted products should consider other options.
- Combines weed control and fertilizer in one application to save time
- Covers up to 4,000 square feet per bag for broad yard coverage
- Controls a wide range of broadleaf weeds plus large crabgrass
- Prevents new listed weeds for up to six months, reducing repeat treatments
- Contains chemical herbicides requiring careful application and safety precautions
- Not permitted for sale in some states and territories
Verdict: A convenient all-in-one granular treatment that kills common and tough weeds while feeding and protecting a mid-size lawn for months.
Spectracide Weed & Feed 20-0-0 Ready-to-Spray, 32 oz
| Unit Count | 32 Fluid Ounces |
|---|---|
| Coverage | 7500 square_feet |
| Item Form | Spray |
| Active Ingredients | Nitrogen |
Spectracide Weed & Feed 20-0-0 is a ready-to-use hose-end spray that combines a broadleaf weed killer with a high-nitrogen lawn feed. You attach the QuickFlip sprayer to a garden hose and apply it across actively growing weeds during the season with no measuring or mixing. The formula targets dandelion, clover, chickweed, plantain and other listed broadleaf weeds while supplying 20 percent nitrogen to green up turf. Practical benefits include fast application for medium to large lawns and clear directions for use, including pre-watering and temperature limits to improve effectiveness. Important limitations are that it is formulated for broadleaf weeds only, should not be applied in very hot weather or where you plan to seed or sod within six months, and it requires protective gear to avoid skin or eye irritation. For homeowners who want a straightforward spray-and-go product to reduce visible weeds while feeding their lawn, it is convenient and time-saving, but it is not a selective solution for grassy weeds or a substitute for spot treatments when only small patches are affected.
Best for: Homeowners who want an inexpensive, no-fuss spray to reduce visible broadleaf weeds while feeding an established lawn and who prefer a simple hose-end application.
Less Ideal for: Gardeners planning to reseed or sod soon, those dealing primarily with grassy weeds, or users who need an organic or spot-only treatment option.
- Ready-to-spray hose-end applicator eliminates measuring and mixing
- Kills many common broadleaf weeds such as dandelion, clover, and chickweed
- Provides quick nitrogen boost with a 20-0-0 formulation to green up lawns
- Covers a large area up to 7,500 square feet in a single 32 oz bottle
- Not effective against grassy weeds or non-broadleaf species
- Cannot be used on areas to be seeded or sodded for at least six months
Verdict: An affordable, ready-to-spray solution for homeowners who want to kill common broadleaf weeds and feed an established lawn quickly and easily.
Scotts Turf Builder WinterGuard Fall Weed & Feed, 11.43 lb
| Item Form | Granule |
|---|---|
| Coverage | 4000 square feet |
| Unit Count | 1 Count |
Scotts Turf Builder WinterGuard Fall Weed & Feed is a granular combo treatment intended for one-pass fall lawn care: it kills more than 50 listed broadleaf weeds while delivering nutrients to help lawns recover from summer stress and build stronger roots for winter. You apply it to a moist lawn on a calm day when temperatures are between 60°F and 90°F, using a broadcast or drop spreader for even coverage; one 11.43 lb. bag covers about 4,000 sq. ft. Notable features include WeedGrip Technology to help granules adhere to weed leaves and Scotts-recommended spreader settings to simplify application. In practice this product streamlines fall maintenance by combining weed control and fertilization in a single treatment, reducing the number of passes across the lawn. Important limitations are label restrictions for certain grass types and the need to avoid watering for 24 hours after application to let the product work; it is not suitable for St. Augustinegrass, bentgrass, or several other turf types. Follow the label directions closely for timing and application rate to get reliable results.
Best for: Homeowners who want a dependable, single-step fall treatment to reduce weeds and strengthen turf before winter and who prefer straightforward instructions and predictable timing.
Less Ideal for: Owners of lawns with St. Augustinegrass, bentgrass, or other excluded turf types, and users who need year-round or spot-only weed control rather than a seasonal broadcast treatment.
- Combines weed control and fertilizer so you can treat and feed in one application
- WeedGrip Technology helps granules stick to weed leaves for more effective control
- Clear application guidance and recommended spreader settings reduce guesswork
- Designed specifically for fall timing to strengthen roots and prepare turf for winter
- Not safe for several turf types so you must check the label before use
- Requires dry period after application and specific temperature range for best results
Verdict: Use this product if you want a reliable fall one-step treatment that kills common broadleaf weeds while feeding and strengthening your lawn for winter.
Scotts Turf Builder Weed & Feed (42.87 lb)
| Item Form | Granule |
|---|---|
| Coverage | 15000 square_feet |
| Active Ingredients | 2,4-D Mecoprop-p |
| Unit Count | 685.92 Ounce |
Scotts Turf Builder Weed & Feed is a large granular lawn treatment designed to kill broadleaf weeds while feeding grass to promote thicker turf. It is applied with a broadcast or drop spreader when weeds are actively growing and temperatures are between 60°F and 90°F; the product sticks best when grass is wet from dew or light watering and should not be watered for 24 hours after application. The formula uses WeedGrip Technology and lists active ingredients (2,4-D and Mecoprop-p) that target over 50 weeds including dandelion and clover. Practical benefits include wide coverage from a single 42.87 lb bag, a familiar spreader setting recommendation for consistent application, and the combined weed control plus fertilizer approach that helps crowd out future weeds by thickening the lawn. Important limitations: it is not safe for several turf types such as St. Augustine (including Floratam), Dichondra, Carpetgrass, and Bentgrass, and it requires dry weather for a full day after use and keeping people and pets off treated areas until dust settles. Follow label directions carefully for safe and effective results.
Best for: Homeowners who want a proven, single-step product to reduce visible broadleaf weeds while feeding and thickening a conventional lawn and who prefer established brand products with clear usage directions.
Less Ideal for: Owners of sensitive or excluded turf species, people who need an all-weather quick-fix, or those who prefer organic or non-chemical weed control methods.
- Combines weed control and fertilizer in one application to save time.
- Covers up to 15,000 sq ft from a single bag for large lawns.
- WeedGrip Technology and listed active ingredients target common broadleaf weeds like dandelion and clover.
- Clear spreader settings and application window guidance simplify correct use.
- Not safe for several turf types including St. Augustine, Dichondra, Carpetgrass, and Bentgrass.
- Requires dry weather for 24 hours after application and limits access to treated areas until dust settles.
Verdict: Choose this if you want a well-known, wide‑coverage weed-and-feed that treats common broadleaf weeds while feeding turf in a single application.
Choosing the Right Lawn Feed Weed Killer: Key Factors to Consider
Nutrient Formulation and Release Rate
A lawn feed weed killer must supply the right balance of nitrogen, phosphorus, and potassium for the grass type you grow. A too-high quick-release nitrogen can overstimulate top growth and increase mowing, while a formula with a portion of slow-release nitrogen supports sustained green-up and root development. Consider whether the product lists micro-nutrients like iron or sulfur when your soil test or visual symptoms suggest deficiencies.
Release rate also affects timing. Quick-release blends produce faster color but may need more frequent applications. Slow- or controlled-release components reduce burn risk and give longer-lasting health benefits, which matters when the product also includes an herbicide that can stress turf temporarily.
Selective Herbicide Ingredients and Weed Spectrum
Different active ingredients target different groups of broadleaf weeds. Look for formulations that list the common weeds in your lawn, such as dandelion, clover, chickweed, and plantain. Some ingredients work faster on certain species and slower on others; some suppress seedlings better than mature plants.
Check the label for stated effectiveness on perennial versus annual broadleaf weeds and whether multiple active ingredients are combined to broaden control. A product that lists a wider weed spectrum can reduce the need for follow-up spot treatments, but confirm that ingredients are safe for your grass type and the time of year you plan to use them.
Turfgrass Compatibility and Safety Window
Not every lawn product is safe for all turfgrasses. Warm-season lawns and cool-season lawns have different tolerances to specific herbicides and to the stress of fertilization. The label should clearly state which grass species are covered and any restrictions for newly seeded or sodded areas.
Also consider temperature and seasonal restrictions. Many selective herbicides work best when weeds are actively growing and temperatures are within a certain range. Using a combination feed-and-herbicide product outside recommended windows can increase turf injury risk, so follow label guidance on timing and mowing after application.
Application Method and Coverage Accuracy
A consistent, even application is essential to avoid streaks, burn spots, or patchy weed control. Some formulas are granular and designed for spreaders while others are concentrates for hose-end or pump sprayers. Choose the product type that matches the equipment you already have and your comfort with calibration.
Labels that provide clear spreader settings, gallon-per-area rates for sprayers, or simple shake-and-go instructions will reduce application errors. Look for guidance on water volumes for sprays and whether watering or rain within a certain time window affects performance.
Environmental and Safety Considerations
Consider runoff risk and buffer recommendations near water features, ornamental beds, and vegetable gardens. The product label should include guidance on protecting pollinators and avoiding drift onto non-target plants. Some herbicide active ingredients require precautions to limit exposure to pets and people until the spray dries or the granules are watered in.
Also check disposal and storage directions. A responsible choice minimizes off-target impacts and includes clear first-aid and cleanup instructions so you can handle spills safely.
Duration of Control and Follow-up Needs
How long a product suppresses weeds and supports turf health affects how often you need to reapply. Some feed-and-weed formulations deliver rapid knockdown followed by short residual control, while others include ingredients that suppress regrowth for weeks.
Plan whether you want a single-season maintenance program or an aggressive schedule to reduce perennial weed pressure. Consider how the residual activity interacts with overseeding or renovating your lawn, since some herbicides restrict overseeding windows and can impact desirable grass establishment.
When to Apply Lawn Feed Weed Killer
Timing influences safety and effectiveness more than many gardeners expect. Apply when both the lawn and the target weeds are actively growing so the herbicide is taken up and the fertilizer is used. For cool-season grasses that peak in spring and fall, early spring green-up and early fall are often the best windows. Warm-season grasses respond best in late spring through summer when growth is vigorous.
Avoid application during drought stress or immediately before extended hot spells. For granular products that need watering in, follow label timing to prevent burning. If you plan to overseed or renovate, check label restrictions on reseeding after application.
- Aim for calm, dry weather to minimize drift and runoff.
- Do not apply during drought or when soil is frozen.
- Reference label intervals for watering and re-entry after application.
Application Tools and Calibration Tips
Granular spreaders and backpack or hose-end sprayers are the most common delivery methods. For even granular coverage, walk at a steady pace and overlap swaths slightly. For liquid mixes, calibrate your sprayer so the gallons per 1,000 square feet match label recommendations. Rinsing and cleaning equipment immediately after use prevents residue build-up.
Proper calibration prevents over-application, which can burn turf, and under-application, which reduces weed control. If you are unsure of lawn area, measure dimensions and calculate square footage rather than guessing.
- Use spreader settings on the label or manufacturer chart when available.
- Test-spray a small area to confirm sprayer pattern before treating the whole lawn.
- Wear gloves and eye protection when mixing concentrates.
Maintaining Lawn Health After Treatment
After treatment, maintain a regular watering and mowing schedule tailored to your grass type. Avoid heavy nitrogen top-ups for at least a few weeks if herbicide activity may have stressed turf; a balanced, slow-release program supports recovery. Monitor treated areas for signs of scorch or uneven growth and address issues with targeted care rather than blanket treatments.
If weeds persist in isolated patches, spot-treat rather than reapplying an entire lawn product. Overseeding thin spots should wait until label-allowed reseeding intervals have passed.
- Mow at the recommended height for your grass species to shade weed seedlings.
- Fertilize with slow-release products if additional feeding is necessary after the label waiting period.
- Use core aeration and top-dressing to improve turf vigor in high-traffic or compacted areas.
Dealing with Specific Weed Problems
Some stubborn perennial weeds require repeat visits or a targeted approach separate from general feed-and-weed applications. For deep-rooted perennials, follow-up spot applications or mechanical removal may be needed. Identify the dominant weed species before choosing a product, because annuals and perennials respond differently to the same ingredient.
Rotate control strategies across seasons. Relying on a single active ingredient repeatedly can reduce long-term effectiveness for some weed species and increase the need for physical control methods.
- Hand-pull or dig perennial weeds when soils are moist for complete root removal.
- Use specific spot herbicides for species that are known to be tolerant of general lawn products.
- Improve turf density to reduce space available for weeds to establish.
How We Chose the Best Lawn Feed Weed Killer
We shortlisted products that combine turf fertilizer with selective broadleaf control rather than herbicide-only formulas. Our editorial filters prioritized measurable performance dimensions that matter in real lawns: balanced nutrient blends, the spectrum and documented activity of active weed-control ingredients, label guidance for common turfgrass species, and user-focused features like application rate clarity and spreader or sprayer compatibility. We included only products labeled for home lawns and excluded agricultural, ornamental-only, or non-selective herbicide treatments. Safety and environmental guidance on label were considered, including re-entry intervals and watering advice. We also considered ease of mixing and application, clarity of coverage instructions, and packaging sizes suited to small and medium yards. The resulting picks reflect products that balance turf nutrition and selective weed control while being usable by typical gardeners.
FAQ
Can I apply a lawn feed weed killer while overseeding my lawn?
It depends on the product. Many selective herbicides restrict overseeding or require a waiting period before seeding. Check the label for the recommended interval between application and seeding to avoid damaging new grass seedlings.
Will a combined feed-and-weed product harm my ornamental beds?
These products are formulated for turf and can damage ornamental plants if they drift or come into contact with foliage. Use a shielded sprayer or avoid spraying on windy days, and keep runoff away from flower beds and vegetable plots.
How soon will I see weeds die after application?
Some broadleaf weeds show visible symptoms within a few days, while others may take a couple of weeks for full dieback. Performance depends on weed species, growth stage, and environmental conditions at application time.
Is it safe to treat lawns if pets and children use the yard?
Safety guidance varies by product. Many labels recommend keeping people and pets off the treated area until sprays dry or granules are watered in. Follow label re-entry and pet-safety instructions to reduce exposure risk.
Can I use these products on all grass types?
Not always. Labels typically list compatible grass species and warn against use on certain warm- or cool-season varieties. Confirm your grass type matches the label to avoid damage.
Should I water immediately after applying a granular feed-and-weed product?
Follow the label. Some granules require light watering to activate the fertilizer and herbicide, while others advise waiting. Watering timing affects both turf safety and herbicide uptake, so use the product-specific guidance.
Final Verdict
Choosing the right lawn feed weed killer is about balancing targeted weed control with proper nutrition for your turf. Prioritize products that match your grass species, list the weeds you need to control, and provide clear application instructions and safety guidance. Accept tradeoffs between quick green-up and longer-term feeding, and plan timing so herbicide activity coincides with active weed growth. With those priorities in mind you can select a solution that strengthens turf while reducing broadleaf weed pressure without unnecessary risk to your lawn or landscape.
