10 Best Crabgrass Killers for the Money | Reviews & Buyers Guide
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Weeds in your lawn, specifically crabgrass, make it look untidy and unkempt, and if left untreated, can spread, and soon your grass becomes overrun with it. A crabgrass killer will get rid of this unsightly weed giving your lawn a fresh new look.
Crabgrass killers come in either liquid or granular form. Most crabgrass killers provide some form of preventative or post-emergent treatment to help restore your lawn. This is achieved by killing off and preventing crabgrass from seeding or germinating using various organic or inorganic treatments and different from other general weed killers available.
Controlling a crabgrass infestation early is crucial to promote healthy lawn grass and turfgrass growth. To help you to decide which product would be right for you, we have compiled ten reviews on the best-performing crabgrass killers available on the market.
Here’s a quick rundown of what we cover in this best crabgrass killer review article:
- First, we’ll compare the top-performing crabgrass killers side-by-side in a comparison table. Ideal if you’re short on time!
- Next, we’ll share the features and benefits of each product
- Then, we’ll explore their drawbacks we feel you should know about
- And lastly, our buying guide will give you a better insight into the product range
Sound good? Let’s begin!
Buy on Amazon10 Best Performing Crabgrass Killers Compared
CLICK any image to see Ratings & Reviews on Amazon
| Image | Crabgrass Product | Buy | Walts Rating |
|---|---|---|---|
Top  | Roundup Ready-To-Use | Click Here | 4.9 / 5 (Best Overall) |
  | Natria 706500A | Click Here | 4.7/ 5 (Best Value) |
  | BioAdvanced 704125A | Click Here | 4.7 / 5 |
  | Roundup for Lawns Crabgrass Destroyer | Click Here | 4.6 / 5 |
  | Ortho WeedClear Lawn Weed Killer | Click Here | 4.6 / 5 |
  | Spectracide HG-96590 Lawn Weed Killer | Click Here | 4.5 / 5 |
  | BASF Drive XLR8 Crabgrass Herbicide | Click Here | 4.5 / 5 |
  | Primesource Quinclorac 1.5L | Click Here | 4.4 / 5 |
  | Scotts Turf Builder Triple Action | Click Here | 4.4 / 5 |
  | Bonide Crabgrass Weed Killer | Click Here | 4.2 / 5 |
10 Best Crabgrass Killers | Reviews
1. Roundup Ready-To-Use Extended Control Weed & Grass Killer Plus Weed Preventer II (Best Overall)
- Wouldn’t it be nice if we get to kill crabgrass and lawn weeds and immediately prevent new ones from growing? This roundup and ready-to-use extended control weed and grass killer plus weed preventer is ideal for you.
- Prevention is always better than cure. If you don’t want crabgrass and other weeds to enter your lawn then it is essential to make sure that every part of your area is protected by this weed killer.
- From driveways, sidewalks, fences, patios to foundations, curbs, and retaining edge and walls of the lawn will be covered. Nevertheless, it is not ideal to use during gloomy days where rain might suddenly pour down.
- Its rainproof capability only lasts for 10 minutes but visible results can be seen in a span of three hours only, therefore faster than some that might take effect within 12-24 hours.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
2. Natria 706500A Grass & Weed Control with Root Kill Herbicide Weed Killer (Best Value)
- A weed killer is essential, but having an organic weed and root killer is much greater, and, at an affordable price. This product ensures that your lawn grass enemy will be surely killed down to its roots by its exclusive formula skills that kill roots within minutes.
- And here’s the best part, not only on crabgrass but poison ivy, clover, and other weeds too. If you are also looking for a weed killer that leaves no stains after using, then this is your perfect match. It can cover up to 600 square feet with the 32-ounce bottle and so controlling crabgrass is made a whole lot easier with this superb product from Natria.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
3. BioAdvanced 704125A Crabgrass Killer
- If you are looking for a crabgrass preventer that is rainproof and safe to use, then this ones for you. This all-in-one formula kills over 200 listed broadleaf weeds such as clover, dandelion, and your main enemy, the crabgrass plant.
- This is a post-emergent weed killer and its rainproof effect can last for an hour. Given that it has a smart track marker, even newbies can easily distinguish the difference between treated weeds. What makes it even more in demand is it is a ready-to-use formula that is less hassle for beginners in using the product. Buy it, use it, forget it!
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
4. Roundup Weed & Grass Killer
- This product is your perfect partner for weed and grass killing in big lot areas. You do not need to worry about getting your other plants affected since it is advisedly used for tank spray around flowers, shrubs, and trees, even on your driveways and walkways, fences, and in big lot areas.
- Other users have also attested to its effectiveness since you can see visible results in 12 hours with its FastAct Technology. However, bear in mind that it is not for use on existing edibles. In addition, compared to the first product, this roundup also has a lesser rainproof effect by just 30 minutes but is affordable.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
5. Ortho 447805 WeedClear Lawn Weed Killer
- Sometimes, what buyers also consider is its way of using the product. The more it could be used, the better. So here is the product which could fit all your applying methods. This concentrate has a comfort wand, ready-to-spray and what makes it more usable is that you can buy a refill and use the comfort wand again for the next use.
- It also has good feedback from previous and current users, making it more guaranteed for someone who is looking for a crabgrass killer.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
6. Spectracide HG-96590 Lawn Weed Killer
- This post-emergent weed and grass killer is the perfect product if you are searching for one that could last longer, even if unexpected rainfall occurs. Watering or raining for three hours will not wash away its effectiveness on the grass.
- Also, it could work way better if you use it the first time you see crabgrass in your lawn. Its specialized quick flip horse-end sprayer will match your garden hose nicely, making it easier for you to apply the product on the entire lawn area and not just where you see weeds.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
7. BASF Drive XLR8 Crabgrass Herbicide
- For product users of weed killers, a ready-to-use product is an edge. However, its effectiveness is what matters most. This BASF Drive XLR8 Crabgrass Herbicide has got it for you. One bottle could cover an acre at a faster effect than some other crabgrass killers.
- This was also proven among the frequent users of the product. Furthermore, it dries hastily when applied; making it less susceptible to rainfall. Will also kill off other grassy weeds such as Bindweed, Clover, Dandelion, Dollarweed, Foxtail Kikuyu grass, Signalgrass, and Speedwell Torpedograss.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
8. Primesource Quinclorac 1.5L Select Crabgrass Killer
- This one is also a post-emergent herbicide and proven effective to large and smooth crabgrass and other lawn weeds such as foxtail, Kikuyu grass, signal grass, torpedo grass, bindweed, clover, daisy, dandelion, dollarweed, geranium, morning glory spp., and speedwell.
- Its active ingredient is Quinclorac that can be applied to both residential and non-residential turfgrass. For those who do not know this yet, it can be applied from seven days before seeding and up to 28 days after emergence.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
9. Scotts 4,000 Sq. Ft Turf Builder Triple Action Prevents Crabgrass
- Having a large planting area might be problematic at some point. And, crabgrass and weeds might be taking too much of your patience already. This Scotts Turf Builder Triple Action might be the solution.
- It can control other emerging weeds but active crabgrass is not covered by this product. Its effectiveness is more on pre-emergent weed control and needs some considerations before applying.
- It is best if your pets and other people will not be around the area during the conduct of its application in the land area. Spring is also the best season for its application and daytime temperature must be between 60ᵒ F and 80ᵒ F and before the 3rd or 4th mowing.
- Another thing is that it must not be applied to newly seeded or sodded areas until the 4th mowing. A wait of 6-8 weeks must be upheld between fertilizer applications. Nevertheless, it is found to be a pre-emergent and post-emergent weed controller and crabgrass preventer.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
10. Bonide Crabgrass Killer
- This one is ideal for small lawn areas only. This product is designed to kill and control weeds and not affect the lawn grass by killing other essential grasses present.
- This is a post-emergent kind of weed controller and intended for the treatment of sparse, individual, or patches of weeds. The sprayer is convenient and ready to use and the nozzle makes it easy to deploy.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Video: When to Put Down Crabgrass Preventer
Crabgrass Killer Buyers Guide
As problems with crabgrass could grow serious, prevention and action must be immediately applied, and choosing the best product will be your most crucial key. However, after reading the reviews of each product, you are probably still undecided as to which crabgrass killer is suitable for you. In this Buyer’s Guide, we hope to fully explain what a crabgrass killer does and list the essential features to look out for before buying.
What Does Post-emergent and Pre-emergent Weed Control Mean?
A Post-emergent weed killer is a herbicide applied when weeds have already grown either in the lawn or yards. Used correctly, this will kill off any crabgrass and even other weeds effectively.
Pre-emergent weed killer is a herbicide that can stop the seeds from germinating in early spring. It is essential to get the timing right for pre-emergent killers, and here are three things to remember that will help you. Usually, the best time is early spring, late March-early April, and the soil temperature should be around 55 degrees F, apply just before it is going to rain, do not apply to wet grass.
Important, always read the instructions on the product before using a Post-emergent or Pre-emergent herbicide killer.
Liquid or Granular?
Liquid products are usually applied by either a tank or garden sprayer. A tank sprayer will spot spray-specific weeds on the lawn. In contrast, the garden sprayer is connected to the garden hose where the water and weed killer solution is mixed correctly, making it a quick and easy way to apply the herbicide.
Granular products are spread over the lawn. This can be done either by a hand spreader or a wheeled spreader. A wheeled spreader has either a bowl or tank and, when pushed over the lawn, spreads the granules evenly. You can adjust the spreader’s opening to give the correct setting. You may find some granular products have a bonus of a fertilizer helping the grass to green up, thicken and strengthen the roots.
Organic or Inorganic?
Organic weed killers are made from corn gluten, and when used, the gluten will stop the seeds from germinating. Over time the lawn will become weed-free. Often an organic weed killer contains a nitrogen base. This helps the yard to become green and vibrant.
Inorganic weed killers are often referred to as a herbicide meaning they are chemical-based. As the chemicals travel through the entire plant, this effectively kills the root. Because they are chemical-based, it is essential to note they may be harmful to children and pets, so always read the label on the product.
Health and Safety Warning
Killing crabgrass and weeds is our goal. But, what if your other plants and existing edibles might also be affected? It is wise to say that those who do not specify its effects on different plants aside from our target might be a problem. It is essential always to choose which is the safest for people, pets, and other edibles in the lot area. Always remember these herbicides can be harmful, so keep away from children and pets.
Also, crabgrass killer products are commonplace in a large state with vast open spaces or a relaxed environment. Still, it is essential to know that some products might lead to allergies in sensitive people and are banned in densely populated areas. So before you buy any crabgrass killer product, make sure it is not restricted to your specific location.
Buy on AmazonCrabgrass Killer Conclusion
After reading the reviews on each product and its pros and cons, you may already have your pick which one is suited for controlling crabgrass. We have identified Roundup Ready-To-Use Extended Control Weed & Grass Killer as our Best Overall product for crabgrass killers. Though you can easily wash it away, it does have a long-lasting effect, fast visible results, and has pre and post-emergent weed control features that make it stand out among other crabgrass killers.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Meanwhile, the Natria 706500A Grass & Weed Control with Root Kill Herbicide is our Best Value product which is organic, safe to use even amongst other plants, can also be applied to a large lot area, and is, of course, economically priced.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Searching around the internet for the right product is a tiring task, but we hope the reviews and buyer’s guide have helped you to choose the product that is right for you.
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CLICK any image to see Ratings & Reviews on Amazon
Image Model Buy Walts Rating Top 
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Spectracide HG-66420 Stump Remover Click Here 4.8 / 5 (Best Value) 
Dibbs Farm Copper Sulfate Crystals Click Here 4.6 / 5 
VPG Fertilome 32295 Click Here 4.5 / 5 
Bonide (BND272) Click Here 4.5 / 5 
Dibbs Farm Tree Stump Remover Granules Click Here 4.4 / 5 
BioAdvanced 704701A Brush Killer Plus Click Here 4.5 / 5 
Frienda Large Copper Nails Click Here 4.6 / 5 
Southern Ag 01112 Brush Weed Killer Click Here 4.7 / 5 
Monterey LG5367 Brush and Vine Killer Click Here 4.4 / 5
Walts DIY is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you.
When I’m not testing and reviewing tools, you’ll find me in front of a hot BBQ, cold drink in hand, cooking up something big, and spending quality time with my wife and two boys. I’m also often found in my workshop working on my next project!
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