The best lawn weed killers give clear, simple choices so a yard can feel like a calm, green escape again. Roundup Dual Action 365 tackles weeds and stops new growth, while Ortho WeedClear (concentrate or ready-to-spray) targets broadleaf and crabgrass without hurting most lawns. 3 Way Max and Spectracide hit big infestations, and Scotts Turf Builder Weed & Feed adds fertilizer, so as you go forward, each option starts to feel like a customized plan.
| Roundup Dual Action 365 Weed & Grass Killer Refill |
| Best Long-Term Control | Product Type / Form: Refill liquid, ready-to-use style (no mixing described) | Target Area: Non-lawn areas (driveways, sidewalks, patios, gravel, under decks) | Weed Spectrum: Broadleaf and grassy weeds (clover, dandelion, crabgrass, poison ivy, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Ortho WeedClear Lawn Weed Killer Concentrate 32oz |
| Best Large-Area Value | Product Type / Form: Liquid concentrate | Target Area: Lawn use (spot-treat weeds in turf) | Weed Spectrum: 250+ listed weeds (dandelion, clover, chickweed, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Ortho WeedClear Lawn Weed Killer Concentrate 32oz |
| Best Concentrate Formula | Product Type / Form: Liquid concentrate | Target Area: Lawn use | Weed Spectrum: Crabgrass, dandelion, clover, and other common lawn weeds | VIEW LATEST PRICE | Read Our Analysis |
| 3 Way Max Weed Killer 32 oz |
| Most Pet-Friendly | Product Type / Form: Liquid concentrate | Target Area: Lawn/turf and sod farms | Weed Spectrum: 50+ weeds (dandelions, poison ivy, clover, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Ortho WeedClear Lawn Weed Killer Ready-To-Spray |
| Easiest Hose Application | Product Type / Form: Ready-to-spray hose-end liquid | Target Area: Lawn use | Weed Spectrum: Crabgrass, dandelion, chickweed, clover, foxtail | VIEW LATEST PRICE | Read Our Analysis |
| Scotts Turf Builder Weed & Feed3 Lawn Fertilizer |
| Best Weed & Feed | Product Type / Form: Granular weed & feed | Target Area: Lawn use | Weed Spectrum: 50+ weeds (clover, dandelion, plantain, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Scotts Turf Builder WinterGuard Fall Weed & Feed |
| Best Fall Treatment | Product Type / Form: Granular weed & feed | Target Area: Lawn use (fall treatment) | Weed Spectrum: 50+ weeds (clover, dandelion, purslane, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Roundup Ready-to-Use Lawn Weed Killer 1.33 Gallon |
| Best Ready-to-Use | Product Type / Form: Ready-to-use liquid with wand | Target Area: Lawn use for Northern grasses | Weed Spectrum: 253 weeds (crabgrass, dandelion, clover, nutsedge, poison ivy, etc.) | VIEW LATEST PRICE | Read Our Analysis |
| Spectracide Weed Stop Lawn and Crabgrass Killer | Most Weed Types Covered | Product Type / Form: Ready-to-use liquid | Target Area: Lawn use | Weed Spectrum: 470+ weeds (dandelion, chickweed, clover, crabgrass, nutsedge, etc.) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Roundup Dual Action 365 Weed & Grass Killer Refill
Should you be tired of pulling the same weeds over and over, Roundup Dual Action 365 Weed & Grass Killer Refill is made for you because it doesn’t just kill what you see, it also helps block new weeds for up to a full year in tough spots like cracks, gravel, and along paths. You just refill your existing sprayer, then soak the whole area, not only the weeds. It goes after clover, dandelion, crabgrass, poison ivy, and many other stubborn invaders. It turns rainproof in about 30 minutes, and you’ll start seeing clear, satisfying results within hours.
- Product Type / Form:Refill liquid, ready-to-use style (no mixing described)
- Target Area:Non-lawn areas (driveways, sidewalks, patios, gravel, under decks)
- Weed Spectrum:Broadleaf and grassy weeds (clover, dandelion, crabgrass, poison ivy, etc.)
- Lawn Grass Compatibility:Not for lawns; non-lawn hardscape and gravel areas
- Coverage / Size:1.25 gal refill (coverage area not specified, large multi-use volume)
- Result Speed / Persistence:Visible results within hours; rainproof in 30 minutes; weed prevention up to 12 months
- Additional Feature:Up to 12‑month prevention
- Additional Feature:Ideal for hardscape cracks
- Additional Feature:Rainproof in 30 minutes
Ortho WeedClear Lawn Weed Killer Concentrate 32oz
Should you be tired of watching dandelions, clover, and other broadleaf weeds take over your yard, Ortho WeedClear Lawn Weed Killer Concentrate 32 oz is a strong match for you because it targets more than 250 common weeds down to the root while still protecting your grass as you follow the label directions. You mix it in a tank sprayer or an Ortho Dial N Spray, then treat small, actively growing weeds. It works on many lawn types, from Bermuda to fescue, at the time temps stay under 90°F. One 32 ounce bottle can cover up to 16,000 square feet, so your whole yard feels cared for.
- Product Type / Form:Liquid concentrate
- Target Area:Lawn use (spot-treat weeds in turf)
- Weed Spectrum:250+ listed weeds (dandelion, clover, chickweed, etc.)
- Lawn Grass Compatibility:St. Augustine (not Floratam), Bermuda, Centipede, Zoysia, Buffalo, Bahia, Kentucky Bluegrass, Ryegrass, Tall & Fine Fescue
- Coverage / Size:32 fl oz concentrate; treats up to 16,000 sq. ft.
- Result Speed / Persistence:Fast-acting; results with one application when weeds are small
- Additional Feature:Treats up to 16,000 sq ft
- Additional Feature:Works via tank/hose sprayer
- Additional Feature:For small, young weeds
Ortho WeedClear Lawn Weed Killer Concentrate 32oz
For homeowners tired of seeing crabgrass, dandelions, and clover win the battle in their yard, Ortho WeedClear Lawn Weed Killer Concentrate 32 oz offers a simple, targeted way to take back your lawn without starting from scratch. You mix the concentrate with water, then apply it using an Ortho Dial N Spray or a tank sprayer, so treating large areas feels manageable, not overwhelming. It treats up to 5,000 square feet and works on many common grasses, including Bermuda, Buffalo, Fescue, Kentucky Bluegrass, Ryegrass, and Zoysia. With one application, it kills weeds to the root fast, helping your grass finally breathe.
- Product Type / Form:Liquid concentrate
- Target Area:Lawn use
- Weed Spectrum:Crabgrass, dandelion, clover, and other common lawn weeds
- Lawn Grass Compatibility:Bermuda, Buffalo, Fescues, Kentucky Bluegrass, Ryegrass, Zoysia
- Coverage / Size:32 fl oz concentrate; treats up to 5,000 sq. ft.
- Result Speed / Persistence:Fast-acting; one application needed
- Additional Feature:Specifically targets crabgrass
- Additional Feature:Not sold in four states
- Additional Feature:One‑application effectiveness
3 Way Max Weed Killer 32 oz
In case you’re tired of seeing dandelions, clover, or even poison ivy pop up in an otherwise healthy lawn, the 3 Way Max Weed Killer 32 oz gives you a strong, focused solution that still keeps your grass safe. You’re getting a selective formula that targets over 50 tough broadleaf weeds while protecting all labeled turf types, even on sod farms. It’s easy to mix, low odor, and simple to spray, so you won’t feel inundated. You also get a 3-pack of protective gloves included, though you’ll need to use your own weed sprayer for application.
- Product Type / Form:Liquid concentrate
- Target Area:Lawn/turf and sod farms
- Weed Spectrum:50+ weeds (dandelions, poison ivy, clover, etc.)
- Lawn Grass Compatibility:Safe on labeled grass types (all common lawn and sod grasses on label)
- Coverage / Size:32 oz, 128 oz, or 320 oz concentrate options (coverage depends on mix rate)
- Result Speed / Persistence:Enhanced, broad weed control; typical selective post-emergent performance
- Additional Feature:Includes protective gloves
- Additional Feature:Pet safe, low odor
- Additional Feature:Suitable for sod farms
Ortho WeedClear Lawn Weed Killer Ready-To-Spray
Tired of watching crabgrass, dandelions, and clover creep across your yard no matter how much you pull and mow, Ortho WeedClear Lawn Weed Killer Ready-To-Spray can feel like a real relief because it’s built for homeowners who want fast, visible results without hurting their grass each time used correctly.
You just hook the 32 oz bottle to your garden hose, slide the switch to ON, then spray until the lawn looks evenly wet. It treats up to 5,000 square feet and works best on young, actively growing weeds. It targets weeds down to the root but stays gentle on bermudagrass, buffalograss, fescues, Kentucky bluegrass, ryegrass, and zoysiagrass as you follow the label.
- Product Type / Form:Ready-to-spray hose-end liquid
- Target Area:Lawn use
- Weed Spectrum:Crabgrass, dandelion, chickweed, clover, foxtail
- Lawn Grass Compatibility:Bermuda, Buffalo, Fescues, Kentucky Bluegrass, Ryegrass, Zoysia
- Coverage / Size:32 oz ready-to-spray; treats up to 5,000 sq. ft.
- Result Speed / Persistence:Fast-acting; kills to root with 1 application
- Additional Feature:Hose-end sprayer ready
- Additional Feature:Simple ON/OFF switch
- Additional Feature:Not sold in four states
Scotts Turf Builder Weed & Feed3 Lawn Fertilizer
Scotts Turf Builder Weed & Feed3 Lawn Fertilizer fits you best when you’re tired of seeing dandelions and clover pop up, yet you still want a lawn that looks thick, green, and welcoming. You spread it on a wet lawn, so the granules cling to weed leaves and start working fast. It uses WeedGrip Technology to target both visible and concealed weeds, while feeding your grass so it fills in bare spots.
You’ll apply it with a Scotts spreader, avoid watering or rain for 24 hours, and keep kids and pets off until the dust settles. Used twice a year at most, it quietly becomes your lawn’s reset button.
- Product Type / Form:Granular weed & feed
- Target Area:Lawn use
- Weed Spectrum:50+ weeds (clover, dandelion, plantain, etc.)
- Lawn Grass Compatibility:Bahia, Bermuda, Bluegrass, Centipede, Fescue, Ryegrass, Zoysia (not for St. Augustine, Dichondra, Lippia, Carpetgrass, Bentgrass)
- Coverage / Size:14.29 lb bag; covers 5,000 sq. ft.
- Result Speed / Persistence:Post-emergent control; builds thicker lawn to reduce future weeds
- Additional Feature:WeedGrip Technology formula
- Additional Feature:Strengthens lawn thickness
- Additional Feature:Max two uses yearly
Scotts Turf Builder WinterGuard Fall Weed & Feed
You spread it over your lawn in fall, and it goes after more than 50 common weeds, like clover, dandelion, and purslane, while feeding the grass so roots grow stronger. Apply it to moist grass between 60°F and 90°F with a Scotts spreader, then skip watering for 24 hours so it can really work.
- Product Type / Form:Granular weed & feed
- Target Area:Lawn use (fall treatment)
- Weed Spectrum:50+ weeds (clover, dandelion, purslane, etc.)
- Lawn Grass Compatibility:Bahia, Bermuda, Bluegrass, Centipede, Fescue, Ryegrass, Zoysia (not for St. Augustine, Dichondra, Lippia, Carpetgrass, Bentgrass)
- Coverage / Size:11.43 lb bag; covers 4,000 sq. ft.
- Result Speed / Persistence:Fall application; feeds and controls weeds to strengthen lawn for winter
- Additional Feature:Fall recovery nutrition
- Additional Feature:Strengthens roots for winter
- Additional Feature:High customer rating
Roundup Ready-to-Use Lawn Weed Killer 1.33 Gallon
Homeowners who battle a mix of stubborn lawn weeds and want quick, simple control often find that Roundup Ready-to-Use Lawn Weed Killer, 1.33 Gallon fits right into their routine. You just grab the container, extend the spray wand, and walk your yard, treating crabgrass, dandelions, clover, nutsedge, and more without mixing or measuring. It targets weeds to the root and keeps working for up to three months, so you’re not constantly chasing the same patches. Whenever you apply in spring or fall on actively growing weeds, it protects Kentucky bluegrass, fescue, ryegrass, and Zoysia while rescuing your lawn’s look.
- Product Type / Form:Ready-to-use liquid with wand
- Target Area:Lawn use for Northern grasses
- Weed Spectrum:253 weeds (crabgrass, dandelion, clover, nutsedge, poison ivy, etc.)
- Lawn Grass Compatibility:Kentucky Bluegrass, Perennial Ryegrass, Tall/Red/Fine Fescue, Zoysia
- Coverage / Size:1.33 gal ready-to-use container
- Result Speed / Persistence:Starts working immediately; rainproof in 3 hours; control up to 3 months
- Additional Feature:Extendable spray wand
- Additional Feature:Three-month weed control
- Additional Feature:Not sold in many states
Spectracide Weed Stop Lawn and Crabgrass Killer
Most Weed Types Covered
View Latest PricePerfect for busy homeowners who feel defeated in their battle against dandelions and crabgrass, Spectracide Weed Stop For Lawns Plus Crabgrass Killer gives you a simple way to fight back without mixing, guessing, or dragging out extra gear. This ready‑to‑use gallon sprayer lets you walk right out and start treating weeds the moment you see them. It kills over 470 types of weeds, including tough ones like dandelion, chickweed, clover, crabgrass, and yellow nutsedge, all while sparing your lawn when used as directed. You’ll start seeing weeds wilt and turn brown in as little as 5 hours, and they’re killed right down to the root. For best results, spray whenever weeds are young and actively growing, in spring or fall, whenever daytime temps are between 45°F and 90°F. Avoid spraying on hot days above 90°F to protect your grass, and never use it on bentgrass, St. Augustine, bahia, centipede, or carpetgrass lawns. Skip it on vegetable gardens, flowers, trees, and ornamentals too. Should you have a zoysia lawn, be extra careful in spring as it’s waking up, since it can get stressed more easily. Mow a few days before you spray, but wait at least two days after treatment before mowing again. Let the clippings from the initial few mowings stay on the lawn, but don’t use them as mulch in garden beds. Some stubborn weeds could require a second shot, so wait at least two weeks before reapplying to the same spot.
- Product Type / Form:Ready-to-use liquid
- Target Area:Lawn use
- Weed Spectrum:470+ weeds (dandelion, chickweed, clover, crabgrass, nutsedge, etc.)
- Lawn Grass Compatibility:Labeled for typical lawn grasses (follows “for lawns” usage; exact list on label)
- Coverage / Size:1 gal ready-to-use container
- Result Speed / Persistence:Visible results in 5 hours; kills to the root
- Additional Feature:Kills 470+ weed types
- Additional Feature:Ready-to-use convenience
- Additional Feature:Visible in 5 hours
Factors to Consider When Choosing Lawn Care Weed Killer
Upon choosing a lawn weed killer, a person initially needs to match the product to the weed type and pick a selective formula that will not hurt the grass they want to protect. They also have to check that the weed killer is safe for their grass species, offers enough coverage for the yard at a fair cost, and fits how and at what time they prefer to apply it. On top of that, it helps to look closely at safety and environmental impact, so the lawn stays healthy for kids, pets, and surrounding plants.
Weed Type and Selectivity
Choosing a lawn weed killer starts with understanding what types of weeds are present and how different products react to both weeds and grass. Some weeds look like grass, others have broad leaves, and a few act like moss or sedges, so recognizing which is which really matters. Selective weed killers go after specific weeds while leaving your lawn safe, making them ideal for treating dandelions, clover, or chickweed without harming turf. Non-selective options kill everything green they touch, so they’re best saved for cracks in driveways or bare spots. Matching the product to the weed type and your grass type helps avoid damage and wasted effort.
Grass Species Compatibility
After identifying the weeds, the next step is to make certain any weed killer will actually play nice with the grass that is already in the yard. Different herbicides work safely on specific grass types, so matching your lawn’s species to the product is crucial. Bermudagrass, Kentucky Bluegrass, and Zoysiagrass tolerate many common weed killers like 2,4-D and MCPP combinations. However, St. Augustinegrass and Bentgrass require carefully selected products to prevent damage. Cool-season grasses such as Fescue and Ryegrass generally show similar tolerance patterns, but warm-season varieties demand more attention. Always read the product label to confirm your grass type is listed as safe. Applying incompatible herbicides risks discoloration, weakening, or killing desirable turf, undoing all your lawn care efforts. Taking time to validate compatibility protects your investment and guarantees effective weed control without harming your grass.
Coverage Area and Cost
Coverage size quietly shapes how practical and affordable a weed killer really is, so it deserves a careful look before any bottle goes in the cart. A label may promise a lush lawn, but should it only treats 5,000 square feet and the yard is larger, a homeowner will burn through product and money fast. In contrast, a concentrate that covers 16,000 square feet or more often stretches the budget further.
To compare products fairly, someone can divide the price with total coverage and find the cost per square foot. Larger jugs usually win here, offering more treatment for less. Still, coverage ties back to grass type and active ingredients. Should the formula be not right for that lawn, any “savings” quickly vanish in re-application and repair costs.
Application Method and Timing
Timing around water also matters. Some products must dry and turn rainproof, sometimes in as little as 30 minutes, while others need the lawn to stay damp. Because every formula is different, following the mixing, dilution, and watering directions protects the grass and avoids wasted effort.
Safety and Environmental Impact
Because weed killers do more than just target weeds, choosing a product safely also means considering how it will affect the yard, pets, and the environment. Many common weed killers contain chemicals that can drift onto garden plants, harm earthworms and bees, or wash into nearby water sources. The EPA reviews herbicides for safety, but it still helps to look up each product’s impact on soil, wildlife, and water. Some herbicides linger in the ground or water, so picking biodegradable or organic options can reduce long-term harm. Using pet-safe or eco-friendly labels as a guide also helps protect curious dogs and local critters. Applying weed killer on calm, dry days keeps it where it belongs and out of streams and ponds.
