Ortho weedclear lawn weed killer concentrate mixing instructions

VISIBLE RESULTS AS FAST AS 3 HOURS: Kills by contact. KILLS 460+ TYPES OF WEEDS: Controls all types of listed broadleaf weeds, including dandelion, chickweed, clover and yellow nutsedge (see the product label for complete weed list). COVERAGE: 32 ounce bottle treats up to 21,333 square feet of St. Augustinegrass, 16,000 square feet of other ...

About This Product. Ortho Weed B-gon Lawn Weed Killer Concentrate kills weeds to the root. When used as directed, you can kill over 250+ weeds without damaging your lawn. Ortho Weed B-gon is specially designed for Northern and Southern lawns and may be applied with the Ortho Dial 'N Spray Hose-End Sprayer or any other tank sprayer.You can kill weeds without harming your lawn* with Ortho WeedClear‚ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including dOrtho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed). The formula is rainproof in hours and delivers visible results in 24 hours.Follow these tips to control them. By summer's end, this grass like weed leaves behind big, brown patches. If this opportunistic weed invades, it's critical to push back. This broad-leafed, invasive weed is listed as a noxious harmful weed in every state where it's found. Discover how to fight this common grassy weed—and win.May 14, 2020 · Ortho® WeedClear™ Lawn Weed Killer Ready-to-Use kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainpr... Vinegar is a natural, cost-effective way to get rid of weeds in your garden or lawn. It’s an easy and safe alternative to chemical weed killers, and it’s just as effective. Here’s ...

Ortho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed). The formula is rainproof in hours and delivers visible results in 24 hours.The herbicide is specially formulated to kill weeds to the roots and won't harm the lawn when used as directed. To use, simply connect your outdoor garden hose to the attached sprayer, select your desired nozzle setting and begin to treat your entire lawn. Covers up to 5,000 sq. ft. Best to apply when weeds are young and actively growing.Maintaining a weed-free garden or lawn can be a constant battle for many homeowners. While commercial weed and grass killers are readily available, they often contain harmful chemi...Here are the best weed killers available on the market and what makes them a cut above the rest. Top Picks. 1. Spectracide Weed & Grass Killer 2. 2. Ortho WeedClear Lawn Weed Killer for Northern Lawns. 3. Ortho WeedClear Lawn Weed Killer for Southern Lawns. 4.shoots of most plants. Imazapyr is a broad-spectrum herbicide effective in roots and shoots of plants and can last in the soil. This product is called “GroundClear Weed & Grass Killer”. Features: Quick action within 15 minutes. Can be applied to patios, landscape beds, vegetable gardens. Organically certified.

24 oz. Trigger. Perfect for spot-treating! Simply point and squeeze. You can kill weeds without harming your grass* with Ortho® WeedClear™ Weed Killer for Lawns with Comfort Wand®. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list). You can kill weeds without harming your grass* with Ortho® WeedClear™ Weed Killer for Lawns with Comfort Wand®. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list). The maximum seasonal rate is 12.8 fl oz of product per 1,000 sq ft (2.0 lb 2.4-D Acid equivalent per acre). When to Use: Apply this product when weeds are small and actively growing in the spring or fall. Crabgrass, large & smooth - Apply in the spring before crabgrass is 4 inches tall or when crabgrass is first noticeable in the lawn.Ortho® WeedClear™ Lawn Weed Killer Concentrate2 kills many types of broadleaf weeds (as listed), and it won't harm your lawn (when used as directed). With r...Ortho® WeedClear™ Lawn Weed Killer Concentrate kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting - you'll see results in just one application. It kills over 200 weeds down to the roots, including dandelion, chickweed, clover, cr People and pets may enter the treated area after the spray has dried. For best results, use when weeds are small and actively growing in the spring or fall. One 1-gal. bottle treats up to 16,000 sq. ft. Weight: 32 ounces. Formulation: Concentrate (Mix With Water) Application Type: Pourable Jug. TCIN: 91715261.

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Roundup concentrate is a popular weed killer that is used in many gardens and lawns. It is effective in killing weeds and preventing them from coming back. However, it must be mixe...Comfort Wand. Ready-to-Spray. Ready to Use. Size: 1 Gallon. 1 Gallon. Shop Now. Ortho Weed B-gon‚ Lawn Weed Killer Concentrate + Crabgrass Control kills crabgrass, dandelions and other listed common lawn weeds to the root! When used as dir.Roundup. 32 oz. For Lawns 2 Concentrate (Northern) Ortho Weed B-gon Lawn Weed Killer Concentrate and Crabgrass Control kills crabgrass, dandelions and other Listed common lawn weeds to the root. When used as directed, you can kill over 200 plus weeds without damaging your lawn.About This Product. BioAdvanced All-in-One Lawn Weed and Crabgrass Killer kills even the toughest weeds down to the root. The exclusive formula kills over 200 broadleaf weeds like dandelion, clover, and crabgrass without harming the lawn. This product starts working immediately and is rainproof in just one hour after application.

Highlights. Dual action formula of Ortho groundclear super weed and grass killer 1 kills even the toughest types of weeds and grasses working on contact for fast results while moving down to the roots. FAST-ACTING: Weeds start to wilt within hours and completely die in 1-2 weeks with this quick kill formula that is rainfast 15 minutes after it ...Ortho® WeedClear™ Lawn Weed Killer Ready-to-Spray kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rain...Comfort Wand. Ready-to-Spray. Ready to Use. Size: 1 Gallon. 1 Gallon. Shop Now. Ortho Weed B-gon‚ Lawn Weed Killer Concentrate + Crabgrass Control kills crabgrass, dandelions and other listed common lawn weeds to the root! When used as dir.Here's how to get ahead. Protect your lawn. If the meteorologist is predicting an unusually wet season, weed and feed your entire yard before the rains start. Spreading a weed killer with lawn food (aka weed and feed) will help knock out any bad guys that are already there while strengthening your grass so it can fight off any weeds that might ...This will be based on the specific spraying task and the size/severity of the weed infestation. Step 3: Add the required amount of water to the mixing container before the Roundup. This avoids foaming. Step 4: Measure the Roundup Concentrate using the measuring cup or container, and add it to the water in the mixing container.Description. You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and contains ...To make homemade weed killer, mix 1 cup of salt, 1 gallon of white vinegar and 1 dash of dish soap. Add the ingredients to a spray bottle and spray the mixture on weed leaves. Orga... Ortho® Killex® Ready-To-Use Lawn Weed Control. • Controls over 50 varieties of lawn weeds including dandelion, chickweed, and clover. See product for full list. • Starts working quickly, continues working for complete kill. • The ready-to-use formula makes it easy to spot treat weeds with no mess, no hassle. • Adjustable nozzle lets ... SKU: 262132. UPC: 071549044794. $14.99. Ortho WeedClear Lawn Weed Killer Concentrate Kills All Types Of Weeds (as Listed) Without Harming Your Lawn (when Used As Directed). The Formula Is Rainproof In 1 Hr And Is Fast-acting You'll See Results In Just One Application. It Kills Over 200 Weeds Down To The Roots, Including Dandelion, Chickweed ...You can kill weeds without harming your lawn with Ortho WeedClear Weed Killer for Lawns Concentrate (when used as directed). This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and … Product details. You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and contains ...

Product details. You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and contains ...

Ortho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed). The formula is rainproof in hours and delivers visible results in 24 hours.Description. Ortho® Weed B-gon™ Lawn Weed Killer Ready-To-Use kills weeds to the roots. With the convenient Comfort Wand® applicator, you can kill over 250+ weeds* for easy and effective spot treatment without damaging your lawn. Ortho® Weed B-gon™ is specially designed for Northern and Southern lawns. You'll see results in hours! Simply attach the battery-powered Ortho® Comfort Wand® from your previous bottle to your new Refill bottle to spot treat weeds with a continuous stream — no bending or pumping required. Ready-To-Spray. Attaches to a garden hose to treat large areas quickly and easily. No mixing or measuring! 24 oz. Trigger. Perfect for spot-treating! Ortho. 3.32K subscribers. 7. 3.1K views 3 years ago. ...more. Ortho® WeedClear™ Lawn Weed Killer Concentrate2 kills many types of broadleaf weeds (as listed), and it won't harm your...Ortho WeedClear‚ Lawn Weed Killer kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof i You can kill weeds without harming your grass* with Ortho® WeedClear™ Weed Killer for Lawns with Comfort Wand®. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list). When mixed as directed, each 32 fl. oz. bottle of concentrate creates 6.4 gallons of weed and grass killer to treat up to 2,240 sq. ft. The dual action formula of Ortho® GroundClear® Weed & Grass Killer Super Concentrate1 kills even the toughest types of weeds and grasses by working on contact for fast results while moving down to the roots.Vinegar is a popular household item that can be used for various purposes, including as a weed killer. It offers an eco-friendly alternative to chemical herbicides and can effectiv...Description. Ortho WeedClear Lawn Weed Killer Concentrate kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting--you'll see results in just one application. It kills over 200 weeds down to the roots, including dandelion, chickweed, clover, crabgrass, and ...Vinegar makes an effective organic weed and grass killer, according to SFGate. Household vinegar mixed at 5 percent is good for weeds while pickling vinegar mixed at 20 percent is ...

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Follow these tips to control them. By summer's end, this grass like weed leaves behind big, brown patches. If this opportunistic weed invades, it's critical to push back. This broad-leafed, invasive weed is listed as a noxious harmful weed in every state where it's found. Discover how to fight this common grassy weed—and win.Description. Ortho® WeedClear® Lawn Weed Killer Ready-to-Use kills all types of lawn weeds without harming your lawn (when used as directed). The formula is rainproof in 1 hour and you'll see results in hours with just one application. It kills over 200 lawn weeds down to the root, including dandelion, chickweed, clover, crabgrass, and foxtail. WeedClearw Lawn Weed Killer Ready-to-Use contains three proven weed killers that target la*ll weeds and crabgrass. The herbicides enter the lawn weeds through their leaves and move inside the weeds, even down into the roots. And lawns listed on this label will not be harmed when used as directed. WHERE TO USE Ortho. Use Ortho WeedClear Weed Killer for Lawns Concentrate to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list)It's easy to apply Ortho® WeedClear™ Lawn Weed Killer Concentrate2 with an Ortho® Dial-N-Spray® or Tank Sprayer. Simply prepare the products according to "Mixing Instructions" on the label and elsewhere on this webpage. Different grass types require different product amounts, and if you're usng a Tank Sprayer, you'll mix with water. Description. Ortho® Weed B-gon™ Lawn Weed Killer Ready-To-Use kills weeds to the roots. With the convenient Comfort Wand® applicator, you can kill over 250+ weeds* for easy and effective spot treatment without damaging your lawn. Ortho® Weed B-gon™ is specially designed for Northern and Southern lawns. You'll see results in hours! It can be applied on a great variety of Northern and Southern grass types. This no-mix, ready-to-spray formula will help kill pesky weeds, not your lawn. STEP BY STEP INSTRUCTIONS. WHEN AND WHERE TO USE. Kills yellow and purple Nutsedge, Kyllinga and over 50 other tough weeds. Kills Weeds, Not Lawns. I got the 4 gallon Harbor Freight backpack sprayer ($20 on Spring Black Friday) and tested with water to make sure I was spraying at the correct application rate from the herbicide bottle directions. I used Ortho WeedClear 32-fl oz Concentrated Lawn Weed Killer from Lowes, (Model 0447905 for $11). ….

Ortho® WeedClear™ Lawn Weed Killer Concentrate2 kills many listed broadleaf weeds and it won't harm your lawn (when used as directed). With results in hours, it kills over …Perfect for spot-treating! Simply point and squeeze. Ortho® WeedClear® Lawn Weed Killer Ready-to-Use kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting--you'll see results in just one application. It kills over 200 lawn weeds down to the root, including ...The herbicide is specially formulated to kill weeds to the roots and won't harm the lawn when used as directed. To use, simply connect your outdoor garden hose to the attached sprayer, select your desired nozzle setting and begin to treat your entire lawn. Covers up to 5,000 sq. ft. Best to apply when weeds are young and actively growing.Description. Use Ortho® GroundClear® Weed & Grass Killer Super Concentrate1 to kill different weed and grass types including crabgrass, dandelion, nutsedge, and oxalis. The … Comfort Wand. Ready-to-Spray. Ready to Use. Size: 1 Gallon. 1 Gallon. Shop Now. Ortho Weed B-gon‚ Lawn Weed Killer Concentrate + Crabgrass Control kills crabgrass, dandelions and other listed common lawn weeds to the root! When used as dir. Step by Step Instructions. How to Use. Ortho® WeedClearTM Lawn Weed Killer Ready-To-Spray is easy to use. Simply connect the sprayer to the garden hose and then turn on …Product details. You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and contains ... Description. Ortho® WeedClear™ Lawn Weed Killer Concentrate kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting - you'll see results in just one application. It kills over 200 weeds down to the roots, including dandelion, chickweed, clover, crabgrass ... Ortho weedclear lawn weed killer concentrate mixing instructions, Features: Ortho GroundClear Weed & Grass Killer is a concentrate that works on all types of weeds and grasses. Use on hardscapes, landscape beds, and around gardens (apply directly to weeds) Acts on contact--see results in only 15 minutes. Rainproof in 2 hours (upon drying) Mix with water and then apply with a tank sprayer (sprayer not included), Roundup concentrate is a popular weed killer that is used in many gardens and lawns. It is effective in killing weeds and preventing them from coming back. However, it must be mixe..., You can kill weeds without harming your lawn* with Ortho WeedClear‚ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, including d, Weeds can be a major nuisance in your lawn, and they can be difficult to get rid of. If you’re looking for a way to get rid of weeds in your yard, using a lawn weed killer is a gre..., Ortho® Weed B-gon™ Lawn Weed Killer + Crabgrass Control kills all types of listed weeds including dandelion, chickweed, clover, crabgrass and foxtail without killing the lawn when used as directed. Our herbicide kills weeds to the roots, is rainproof in 1 hour, and produces results with 1 application. Apply this lawn weed killer when weeds ... , Ortho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed). The formula is rainproof in hours and delivers visible results in 24 hours. , Second, maintaining a well-fed lawn helps it grow full and thick to better crowd out weeds like clover. Spread Some Clover Control. If you have a widespread clover problem in your lawn, use a liquid weed killer concentrate, such as Ortho® WeedClear™ Lawn Weed Killer Concentrate with the Ortho® Dial N Spray® Hose End Sprayer. Always follow ..., Here are the best weed killers available on the market and what makes them a cut above the rest. Top Picks. 1. Spectracide Weed & Grass Killer 2. 2. Ortho WeedClear Lawn Weed Killer for Northern Lawns. 3. Ortho WeedClear Lawn Weed Killer for Southern Lawns. 4., Ortho GroundClear Year Long Vegetation Killer1. Ortho. 433610. Concentrate. 1 gal. Ortho GroundClear Year Long Vegetation Killer1 - Concentrate, Visible Results in 3 Hours, Kills Weeds and Grasses to the Root When Used as Directed, Up to 1 Year of Weed and Grass Control, 1 gal. 9.5., In this quick video I will be showing you how to mix some weed killer in your tank sprayer. #weedkiller #orthoweedbgon #lawncare Music by: @ProdTrunx, For hardscapes and landscape beds, use Ortho® GroundClear® Super Weed & Grass Killer as directed. This spray formula kills weeds both quickly and deeply—it gets to their roots so they won't be coming back. To take care of your dandelions, apply Ortho® WeedClear™ Lawn Weed Killer Ready-to-Use before it can become a big problem., Ortho GroundClear Year Long Vegetation Killer1. Ortho. 433610. Concentrate. 1 gal. Ortho GroundClear Year Long Vegetation Killer1 - Concentrate, Visible Results in 3 Hours, Kills Weeds and Grasses to the Root When Used as Directed, Up to 1 Year of Weed and Grass Control, 1 gal. 9.5., Product Overview. Bio Advanced previously known as Bayer Advanced All-In-One Lawn Weed and Crabgrass Killer’s exclusive formula kills lawn weeds plus crabgrass in one easy step and will not harm your lawn when used as directed. Bayer Advanced All-In-One Lawn Weed and Crabgrass Killer treats 5,000 square feet, making it ideal for large areas., Description. Ortho® Home Defense® Insect Killer for Indoor & Perimeter2 kills common household bugs such as ants, bees, beetles, centipedes, cockroaches, crickets, fleas, flies, millipedes, mosquitoes, moths, spiders, stink bugs, ticks, termites, periodical cicadas, and more (as listed). This insect killer creates a bug barrier of up to 12 ..., Vinegar is a natural, cost-effective way to get rid of weeds in your garden or lawn. It’s an easy and safe alternative to chemical weed killers, and it’s just as effective. Here’s ..., Maintaining a weed-free garden or lawn can be a constant battle for many homeowners. While commercial weed and grass killers are readily available, they often contain harmful chemi..., Nov 30, 2021 · You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Concentrate. This weed killer kills over 250 common weeds, includi... , Ortho® Weed B-gon™ Lawn Weed Killer + Crabgrass Control kills all types of listed weeds including dandelion, chickweed, clover, crabgrass and foxtail without killing the lawn when used as directed. Our herbicide kills weeds to the roots, is rainproof in 1 hour, and produces results with 1 application. Apply this lawn weed killer when weeds ..., Description. Ortho® WeedClear™ Lawn Weed Killer Concentrate kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting - you'll see …, Product details. You can kill weeds without harming your lawn* with Ortho® WeedClear™ Weed Killer for Lawns Ready-To-Spray. This weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list). It is made especially for residential lawns and contains ..., Kill weeds down to the root without harming your lawn (when used as directed)! Ortho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed)., For best results, use when weeds are small and actively growing in the spring or fall. One 1 gal. bottle treats up to 64,000 sq. ft. *When used as directed. Use Ortho WeedClear Weed Killer for Lawns to kill weeds down to the root without harming your lawn (when used as directed) This lawn weed killer kills over 250 common weeds, including ..., Follow these tips to control them. By summer's end, this grass like weed leaves behind big, brown patches. If this opportunistic weed invades, it's critical to push back. This broad-leafed, invasive weed is listed as a noxious harmful weed in every state where it's found. Discover how to fight this common grassy weed—and win., For best results, use when weeds are small and actively growing in the spring or fall. One 1 gal. bottle treats up to 64,000 sq. ft. *When used as directed. Use Ortho WeedClear Weed Killer for Lawns to kill weeds down to the root without harming your lawn (when used as directed) This lawn weed killer kills over 250 common weeds, including ..., It will also kill moss on your lawn. List of weeds vinegar kills: Crabgrass, oxalis, clover, chickweed, pigweed, dandelions, quackgrass, and many, many more weeds. For spot-treating weeds, this 20% natural vinegar weed killer is one of the most effective organic solutions available., Best Non-Toxic Weed Killer: Green Gobbler Vinegar Weed & Grass Killer. Best Weed Killer for Large Areas: RM43 43% Glyphosate Plus Weed Preventer. Best Weed and Grass Killer: Spectracide Weed & Grass Killer. Best Weed Killer for Lawns: Roundup All-in-One Weed Killer for Lawns. Best Weed Killer for Flower Beds: Ortho GroundClear Weed & …, This product can be reapplied in 3-4 weeks for hard to kill weeds. This product is a broadleaf weed control and will only kill the listed weeds. We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please reach out to us at 866-324-9192 if we can further assist., Perfect for spot-treating! Simply point and squeeze. Ortho® WeedClear® Lawn Weed Killer Ready-to-Use kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting--you'll see results in just one application. It kills over 200 lawn weeds down to the root, including ..., Buy Ortho WeedClear Weed Killer for Lawns Concentrate, Kills Dandelion, and Clover, Treats Up to 64,000 sq. ft., 1 gal.: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases ... please read product label for specific application instructions ; Customer ratings by feature . Easy to use . 3.8 3.8 . Comfort . 3.6 3.6 . …, Product details. Ortho® WeedClear™ Lawn Weed Killer Concentrate kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hour and is fast-acting - you'll see results in just one application. It kills over 200 weeds down to the roots, including dandelion, chickweed, clover ..., Maintaining a lush and healthy yard can be a challenge, especially when pesky weeds and grass start to invade your garden beds. While commercial weed killers may seem like a quick ..., Ortho® WeedClear™ Lawn Weed Killer Ready-To-Use1 controls and suppresses over 250 types of weeds, including major broadleaf weeds (see label for list), dandelion, clover, oxalis, chickweed, and spurge, yet won't damage your grass (when used as directed). The formula is rainproof in hours and delivers visible results in 24 hours., Roundup for Lawns3 is a tough weed killer for use on Northern grasses that kills weeds, not the lawn. This tough weed killer kills 253 types of weeds and works fast on hard-to-kill weeds (see inside booklet for weed list). It won't harm lawns when used as directed on Northern grasses, including Bluegrass, Fescue, Zoysia, Perennial Ryegrass.