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Best Weed Killers on the Market

Top 10 Buying Guide

Best Weed Killers on the Market

Our Recommendations

In a hurry? Here are the best products at a glance.

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Heather
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Samantha
Dewitt
Your Authors and Guides
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Heather Patton
Article Author
Jennifer Trimbee
Article Author
Samantha Dewitt

How to Choose the Best Weed Killer

No one wants to deal with pesky weeds cluttering their yard. Sometimes pulling the weeds at the root doesn’t prevent them from coming back. In most cases, using an herbicide will keep them away. That’s why we’ve put together this list. Everyone deserves a beautiful garden and yard, so we’ve found the best weed killers to manage your property. Here are some things you should know before we get started.

Best Weed Killers on the Market

Organic: If a weed killer is organic, it won’t contain any harsh chemicals. Some organic weed management products are made from corn or gluten and target specific growth patterns. They’re better for your yard, especially if you have grazing animals.

Best Weed Killers on the Market

Package Size: How big is the package of weed killer that you’re getting? You need to know how much you’re ordering so that you know if you have enough to treat your entire yard. This is important even for concentrated products.

How to Choose the Best Weed Killer

Concentrate: Concentrated weed killers must be mixed in order to be used. These products might come in smaller quantities but can end up treating large areas when they are mixed correctly. A little of these go a long way.

Best Weed Killers on the Market

Rainproof: You don’t want the rain to ruin all of your hard work. Most of these weed killers are rainproof after a certain amount of time, so make sure they can soak into the soil before they get soaked.

Best Weed Killers on the Market

Results Time: How soon after application can you expect to see changes? Some weed killers produce a noticeable difference in a matter of hours. If you’re looking for a quick solution, keep an eye on this information.

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Results Time: How soon after application can you expect to see changes? Some weed killers produce a noticeable difference in a matter of hours. If you’re looking for a quick solution, keep an eye on this information.

Top 10 Products

With that information at your disposal, it’s time to take a look at some of our weed killers. We’ve done all of our research and reviewed a huge selection of weed killers in order to bring you only the best. We’re sure that you’ll find an amazing weed killer that works for you! Check out our top pick and budget pick first if you’re pressed for time, before moving on to the rest of the list.

PBI/Gordon Speed Zone Weed Killer

PBI/Gordon Speed Zone Weed Killer
Our choice for the best weed killer on the market is Speed zone by PBI/Gordon. In just about three hours you’ll start seeing results with this killer. It’s concentrated, so you must mix it with water to get the desired results. In the case of this weed killer, you should mix 1 ounce of herbicide with a gallon of water. This mixture will treat 1,000 square feet of lawn. That’s pretty potent! Though it is safe to use if it’s going to rain in a few days, it is not recommended to treat your lawn just before rainfall. The herbicide could run off and fail to affect your weeds. For the most part, this killer won’t touch your lawn grass, so it targets just weeds and undesirable plants. That’s an invaluable feature. Plus, you can use it in the Spring and Fall as well as the summer, so you can get a head start on next year!
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Compare-N-Save Weed Killer

Compare-N-Save Weed Killer
Our budget pick is one of the best weed grass killers we could find. This concentrated formula comes in a 1-gallon container. With the proper mixture (1.5 ounces to 1 gallon of water), you can effectively kill unwanted grass and weeds over a large area. This killer can make up to 85 gallons of spray, covering 25,000 square feet of walkways, patios, gardens, and fences. It’s not recommended that you use this on your lawn directly, as it will also kill your grass. If you’ve got areas where you want everything to die, this is the perfect weed killer for you. You can start to see results in 2 to 4 days. Make sure that you plan to treat about two hours prior to the incoming rain. Two hours after application, it’s completely rainproof and won’t wash away. The longer you wait, the better. Clean up your property and walkways with this amazingly powerful and thorough weed killer.
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RM43 Weed Preventer

RM43 Weed Preventer
One of the best commercial weed and grass killers is this formula by RM43. In as little as one week, your property could be free of unwanted plant growth. This is not like the other weed killers on our list, because it isn’t made to be used right over your lawn. This is specifically formulated for spot treatments. For best results, use anywhere that you want completely free of vegetation - even grass - for a year. That means it’s good to use around fences, farm buildings, on the roadsides or the cracks in your sidewalk. Any vegetation it comes in contact with will die within the week, and this includes regular and ornamental grasses. This 32-ounce bottle makes 5 gallons of a solution that you can use to kill unwanted weeds and plants to the root every time. The company advises against using the weed killer in the root zone of trees - that’s how powerful it is!
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Southern Ag Crossbow Weed Killer

Southern Ag Crossbow Weed Killer
Southern Ag makes this Crossbow Weed Killer, which is effective and thorough. You can use it on rangeland, in pastures of grass, and all areas where you aren’t going to be planting crops. The best use of this formula is to get rid of trees and brush that you don’t want cluttering your property. The easiest way to do this is with spot applications, where you mix about 5 ounces of the herbicide into three gallons of water. This 1-quart container can cover about 43,000 square feet when mixed and distributed properly. That’s a ton of land that you can cover! You’ll start seeing results in about two weeks. In the first few hours after application, areas where this herbicide mixture is used should be kept dry. After that, the rain won’t wash it away. To get your property looking great again, use one of the best weed killers concentrates on the market right now.
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BioAdvanced DuraZone Weed Killer

BioAdvanced DuraZone Weed Killer
When you want to keep your land clear of just about every type of vegetation, go with BioAdvanced DuraZone. This powerful weed killer not only kills all of the existing weeds and grass, but it also stops the new growth of those plants. For up to six months, you can be free of those pesky, unwanted plants. It’s made of use specifically on vacant lots, around walkways, and in areas where you use mulch. You can also use it along fences and foundations, as well as on sidewalks and driveways. The 32-ounce bottle here allows you to cover about 1,500 square feet of space, so it’s best used for spot treatment on areas where you want absolutely no growth. About twenty-four hours after application it’s completely rainproof, so set aside a dry day to do the treatment. After that, it can rain as much as it wants - those weeds aren’t coming back for up to six months.
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Roundup Extended Control Weed Killer

Roundup Extended Control Weed Killer
Roundup is one of the best-known names in weed killing. It’s effective at getting rid of all of the growth that you don’t want hanging around. This extended control formula stops weeds from growing for up to four months after application, so you won’t have to apply every couple of weeks during the growing season. For the best results, use Roundup Extended Control in areas where there are no other plants. You can use it to kill weeds in driveway or sidewalk cracks, rock and gravel areas, patios, and fences. As long as you don't’ want anything growing there, this formula will be your best friend. About ten minutes after you treat the area, this weed killer is rainproof. You will start to see results between three and six hours after application, as well. Roundup kills weeds and other unwanted plants right down to the root. It’s one of the best all-around weed killers we could find!
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Garden Safe Weed Killer

Garden Safe Weed Killer
One of the best professional weed killers on our list is this one - and it’s organic! This herbicide helps to suppress the growth of all vegetation, so it’s best used on sidewalks and driveways. This 24-ounce bottle is fully prepared and ready to use without any additional mixing on your part. You can cover about 35 square feet with this purchase. This contains an herbicidal soap, and the reason for it is to help the poison stick to the plants better. It’s more effective that way! You can usually see results in as little as 20 minutes, so you’ll know right away if it’s working. To keep weeds away, reapply every 2 to 3 weeks and avoid spraying plants that you actually want to keep around. If you’re trying to get the best of larger weeds, try splitting the top of the root first so that the herbicide can penetrate the plant. After five days, you can reseed the soil!
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Green Gobbler Weed Killer

Green Gobbler Weed Killer
Green Gobbler is another company that makes organic weed killers. It’s a much safer alternative for animals, children, and even the person spreading it. Plus, this particular weed killer doesn’t have to be diluted - simply pour into the sprayer and cover the weeds. You’ll start to see results in 24 hours. The five gallons of ready-to-use spray in this bucket can cover about 1,000 square feet of weed-riddled driveways or porches. It kills grasses as well as weeds - it’s a non-selective killer that will get rid of all the plants where you spray it, so apply carefully around stuff that you want to keep. But it can get rid of dandelion weeds, clover, and even crabgrass. It’s made with organic corn-derived vinegar, so it’s powerful and less harmful than the harsh chemicals in other herbicides. We love that it takes care of everything so neatly and won’t put chemicals into the soil. It’s effective and affordable.
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Ortho Weed B Gon Weed Killer

Ortho is a well-known name when it comes to both herbicides and pesticides. This particular herbicide is one of the best weed killer concentrates for lawns that we could find. You don’t have to worry about spraying your grass with this formula, because it’s a selective herbicide. That means that it won’t kill your grass but it will take care of over 250 varieties of weeds, including broadleaf weeds like dandelions and clovers. For best results, use with a sprayer. You’ll start seeing results in as little as ten hours. This one-gallon concentrate can be mixed with water to cover over 64,000 square feet of lawn. It’s specifically created for use in Northern and Southern lawns, so it targets the weeds that are most common in those areas. Keep your grass looking great while you deal with unwanted vegetation! After a certain amount of time, it’s completely rainproof. Let it dry for a while before the rain!
Ortho is a well-known name when it comes to both herbicides and pesticides. This particular herbicide is one of the best weed killer concentrates for lawns that we could find. You don’t have to worry about spraying your grass with this formula, because it’s a selective herbicide. That means that it won’t kill your grass but it will take care of over 250 varieties of weeds, including broadleaf weeds like dandelions and clovers. For best results, use with a sprayer. You’ll start seeing results in as little as ten hours. This one-gallon concentrate can be mixed with water to cover over 64,000 square feet of lawn. It’s specifically created for use in Northern and Southern lawns, so it targets the weeds that are most common in those areas. Keep your grass looking great while you deal with unwanted vegetation! After a certain amount of time, it’s completely rainproof. Let it dry for a while before the rain!
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Preen Weed Preventer

Preen makes one of the best commercial weed killers on our list. It a long-lasting formula as well, because it works to prohibit the growth of weeds for six months after application. That’s amazing! However, it’s best used in areas where there is no desirable vegetation because it can kill even perennial flowers, trees, and some shrubs. You shouldn’t use it on the lawn or in your garden, and especially not with edible plants. These are granules rather than liquid, so you can apply them by gently tilling the soil where you want the weeds gone, spreading them near the roots, and watering them down so they soak into the soil. This helps keep them away before they start growing. Make sure to weed the area before applying for the best results. It gets into the soil and stays there. We love that it only takes two treatments a year to keep the weeds away.
Preen makes one of the best commercial weed killers on our list. It a long-lasting formula as well, because it works to prohibit the growth of weeds for six months after application. That’s amazing! However, it’s best used in areas where there is no desirable vegetation because it can kill even perennial flowers, trees, and some shrubs. You shouldn’t use it on the lawn or in your garden, and especially not with edible plants. These are granules rather than liquid, so you can apply them by gently tilling the soil where you want the weeds gone, spreading them near the roots, and watering them down so they soak into the soil. This helps keep them away before they start growing. Make sure to weed the area before applying for the best results. It gets into the soil and stays there. We love that it only takes two treatments a year to keep the weeds away.
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TOP PICK

PBI/Gordon Speed Zone Weed Killer

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