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Crabgrass can turn your beautiful lawn into an eyesore overnight, spreading quickly and choking out your grass. Finding the right crabgrass killer is essential for maintaining a healthy, weed-free yard. Whether you’re dealing with established crabgrass or looking to prevent future infestations, choosing an effective herbicide can make all the difference. In this comprehensive guide, we’ve tested and evaluated the best crabgrass killers available today to help you make an informed decision for your lawn care needs.
The sublime weed killer, unrivaled defense against crabgrass, creeping charlie, dandelions & more, no… offers exceptional quality and performance. BROAD SPECTRUM DEFENSE: Effectively combats persistent weeds like spurge, yellow woodsorrel, wild violet, and many more, maintaining your turf’s beaut DIVERSE LANDSCAPE USE: Perfect for ornamental turf lawns, golf courses, parks, athletic fields, and even sod farms across residential to institutional NO BLEACHING WORRIES: Provides premium weed control without the common unsightly bleaching symptoms found in other products Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ BROAD SPECTRUM DEFENSE: Effectively combats persistent weeds like spurge, yellow woodsorrel, wild violet, and many more
✓ DIVERSE LANDSCAPE USE: Perfect for ornamental turf lawns, golf courses, parks, athletic fields, and even sod farms
✓ NO BLEACHING WORRIES: Provides premium weed control without the common unsightly bleaching symptoms
✓ EASY APPLICATION: Simple to mix and apply with standard spray equipment
Why We Recommend It
This product stands out for its effectiveness against a wide range of weeds including tough crabgrass, without causing damage to your lawn. Users report visible results within days of application, and the formula doesn’t leave unsightly bleached spots on treated areas.
Best For
Homeowners looking for a comprehensive solution that targets multiple weed types while preserving their grass quality.
Pros and Cons
Pros:
Effective against broad spectrum of weeds
No bleaching of grass
Works on various landscape types
Easy to apply with standard equipment
Cons:
Requires proper mixing to avoid clogging
Slightly higher price point than some alternatives
Customer Reviews
Customer Review: “Works really well, takes a little longer than others but it does work.”
Customer Review: “This stuff works GREAT! Read read read the instructions. A little goes a long way and if you use to much it will die the grass down some. Spray only the weeded area, not the whole lawn. I poured the recommended amount into a hose connected sprayer and tested the amount of water it mixed with. First”
The bioadvanced all-in-one lawn weed and crabgrass killer i, concentrate, 40 oz offers exceptional quality and performance. ALL-IN-ONE FORMULA: BioAdvanced’s All-in-One formula kills listed lawn weeds and crabgrass without harming the lawn KILLS TOUGH WEEDS: Control over 200 broadleaf weeds like dandelion, clover, and crabgrass using our powerful weed killer concentrate DOWN TO THE ROOT: BioAdvanced All-In-One Lawn Weed and Crabgrass Killer I penetrates and removes tough listed weeds down to the root Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ ALL-IN-ONE FORMULA: Kills both weeds and crabgrass without harming your lawn
✓ KILLS TOUGH WEEDS: Controls over 200 broadleaf weeds including dandelion, clover, and crabgrass
✓ DOWN TO THE ROOT: Penetrates and removes weeds completely
✓ CONCENTRATED FORMULA: 40 oz provides coverage for multiple applications
Why We Recommend It
This is our editor’s choice because it offers exceptional value with its all-in-one formula that eliminates the need for multiple products. The concentrate format makes it cost-effective for larger lawns while maintaining excellent results against tough crabgrass and other weeds.
Best For
Homeowners with larger lawns who need a cost-effective solution that targets multiple weed types simultaneously.
Pros and Cons
Pros:
All-in-one formula saves money and time
Kills over 200 types of weeds
Concentrated formula for multiple applications
Safe for use on your lawn when used as directed
Cons:
Requires mixing before application
May need multiple applications for severe infestations
Customer Reviews
Customer Review: “My lawn was invaded by crabgrass this past spring. I applied this once and within a couple of weeks, no more crabgrass.”
Customer Review: “If you’ve ever battled bindweed then this product is your friend. Bindweed field are these vine-like nasties that grow in no time, root down several feet, crawl up every living thing, suck the life out of them and regrow faster than Robin William’s beard. We have lost several trees to this vine–b”
The southern ag 006130 atrazine st. augustine weed killer 32oz specialty herbicide, light tan offers exceptional quality and performance. One quart treats 3,720 sq ft Controls Weeds in St. Augustine and Centipede Grasses Package Weight: 1.021 kilograms Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ SPECIALTY FORMULA: Specifically designed for St. Augustine and Centipede grass lawns
✓ WIDE COVERAGE: One quart treats up to 3,720 square feet
✓ ECONOMICAL: Very cost-effective for large areas
✓ SPECIALTY HERBICIDE: Targeted formula for specific grass types
Why We Recommend It
This is our budget pick because it offers exceptional value for homeowners with St. Augustine or Centipede grass. At less than $20 for 32oz, it’s one of the most economical options available while still delivering effective crabgrass control.
Best For
Homeowners with St. Augustine or Centipede grass lawns who need an affordable solution for crabgrass control.
Pros and Cons
Pros:
Very affordable price point
Large coverage area per bottle
Specifically formulated for popular grass types
Effective against crabgrass in appropriate grass types
Cons:
Only effective on specific grass types
Not suitable for all lawn types
Contains atrazine which has usage restrictions in some areas
Customer Review: ‘Customer Review: “This was easy to apply and effectively killed the Bermuda grass without harming my plants, but I haven’t yet found the trick to managing the removal and cleanup of grass (dead or alive) that grows up and in my flowering shrubs. It’s perfect for flowerbed cleanup. A little pricey, but now that I’ve f”
The sublime weed killer, unrivaled defense against crabgrass, creeping charlie, dandelions & more, no… offers exceptional quality and performance. BROAD SPECTRUM DEFENSE: Effectively combats persistent weeds like spurge, yellow woodsorrel, wild violet and many more, maintaining your turf’s beauty DIVERSE LANDSCAPE USE: Perfect for ornamental turf lawns, golf courses, parks, athletic fields, and even sod farms across residential to institutional NO BLEACHING WORRIES: Provides premium weed control without the common unsightly bleaching symptoms found in other products Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ BROAD SPECTRUM DEFENSE: Effectively combats persistent weeds like spurge, yellow woodsorrel, wild violet and many more
✓ DIVERSE LANDSCAPE USE: Perfect for ornamental turf lawns, golf courses, parks, athletic fields, and even sod farms
✓ NO BLEACHING WORRIES: Provides premium weed control without the common unsightly bleaching symptoms
✓ EASY APPLICATION: Simple to mix and apply with standard spray equipment
Why We Recommend It
This product offers the same effective formula as our top pick but comes in a different packaging format. While it has the same excellent performance, some users have reported issues with application equipment clogging, making the mixing process more challenging.
Best For
Homeowners who want the same effective formula but prefer a different packaging option.
Pros and Cons
Pros:
Same effective formula as our top pick
No bleaching of grass
Works on various landscape types
Broad spectrum defense against multiple weeds
Cons:
Application issues reported with some sprayers
Mixing can be problematic for some users
Potential for clogging in spray equipment
Customer Reviews
Customer Review: “While the product works well, it is not good with a small tow behind sprayer. The instructions tell you to mix well before using it. I shook it, blended it to a high degree. There ended up being waxy like particles floating in the sprayer that continually blocked up the filter. I tried mixing the so”
Customer Review: “This product clogged my sprayer. Took me hours to sort out the mess. Product is effective but application sucks!!!”
The spectracide weed stop for lawns plus crabgrass killer concentrate offers exceptional quality and performance. KILLS WEEDS, NOT THE LAWN: Controls listed weeds – including crabgrass – not the lawn (when used as directed) KILLS CRABGRASS: Apply the first time you see crabgrass in your lawn KILLS 470+ TYPES OF WEEDS: Controls all types of listed broadleaf and grassy weeds, including crabgrass, dandelion, chickweed, clover and yellow nutse Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ KILLS WEEDS, NOT THE LAWN: Controls weeds without harming your grass
✓ KILLS 470+ TYPES OF WEEDS: Extensive weed control coverage
✓ CONVENIENT FORMULA: Easy to mix and apply
✓ WELL-KNOWN BRAND: Trusted name in lawn care products
Why We Recommend It
This Spectracide product offers excellent value with its ability to kill over 470 types of weeds including crabgrass, without harming your lawn when used as directed. It’s a reliable choice from a well-established brand.
Best For
Homeowners looking for a trusted brand with broad-spectrum weed control that won’t damage their grass.
Pros and Cons
Pros:
Kills over 470 types of weeds
Safe for use on your lawn when used correctly
Well-established brand reputation
Easy to find and purchase
Cons:
Requires mixing before application
May need multiple applications for severe infestations
Some users report slower results compared to premium brands
Customer Reviews
Customer Review: “The Spectracide Weed Stop For Lawns Plus Crabgrass Killer delivers powerful, targeted weed control that kills over 470 types of weeds—including crabgrass, dandelions, clover, and chickweed—without harming your lawn when used as directed.Designed with convenience in mind, the QuickFlip hose-end spray”
Customer Review: “I have been using these for last 3 years now, they are best are taking out weeds and a DIY, cheaper solution then paying for a company who charges in thousands to do similar task. Also with winter deal I got these stored for next summer, worth the purchase”
The pro crabgrass & grassy weed killer 32 ounces offers exceptional quality and performance. High Concentration, Maximum Power: Boasting an impressive 18.92% concentration of Quinclorac, this solution packs a powerful punch, ensuring that ever Common Grassy Weeds Quinclorac Controls: Crabgrass: An annual grass that can quickly invade lawns and other turf areas. Foxtail: Annual grasses with d It’s important to note that the effectiveness of quinclorac can vary depending on factors such as the specific weed species, growth stage, and environ Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ HIGH CONCENTRATION: 18.92% Quinclorac for maximum effectiveness
✓ TARGETED FORMULA: Specifically designed for crabgrass and grassy weeds
✓ POWERFUL POTENCY: High concentration ensures strong weed control
✓ CONCENTRATED FORMULA: 32 ounces provides good coverage
Why We Recommend It
This product offers a high-concentration formula specifically targeting crabgrass and other grassy weeds. With 18.92% Quinclorac, it provides strong weed control, though results may vary depending on weed type and growth stage.
Best For
Homeowners dealing specifically with crabgrass and grassy weeds who want a high-concentration solution.
Pros and Cons
Pros:
High concentration of active ingredient
Specifically targets crabgrass and grassy weeds
Good value for money
Concentrated formula for multiple applications
Cons:
Effectiveness varies by weed type and growth stage
The fertilome crabgrass preventer plus lawn food w/dimension 20 offers exceptional quality and performance. Two in one lawn fertilizer and crabgrass preventer. Contains 20-0-3 Fertilizer. Designed to suppress crabgrass and controls other annual grass and broadleaf weeds in lawns. Can be applied up to 4 weeks later than other pre emergent crabgrass products. Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ TWO-IN-ONE FORMULA: Combines fertilizer with crabgrass prevention
✓ EARLY APPLICATION: Can be applied up to 4 weeks later than other preventers
✓ LAWN FOOD INCLUDED: 20-0-3 fertilizer formula
Why We Recommend It
This unique product combines crabgrass prevention with lawn fertilization, offering two benefits in one application. The 20-0-3 fertilizer formula nourishes your grass while the Dimension 20 prevents crabgrass germination, making it an excellent value.
Best For
Homeowners looking for a preventive solution that also fertilizes their lawn simultaneously.
Pros and Cons
Pros:
Combines fertilizer and crabgrass prevention
Can be applied later in the season than other preventers
Customer Review: ‘Customer Review: “This was easy to apply and effectively killed the Bermuda grass without harming my plants, but I haven’t yet found the trick to managing the removal and cleanup of grass (dead or alive) that grows up and in my flowering shrubs. It’s perfect for flowerbed cleanup. A little pricey, but now that I’ve f”
The ortho weed b gon max plus crabgrass control ready to use trigger, weed killer offers exceptional quality and performance. Kills crabgrass, dandelions and other common lawn weeds Kills weeds to the roots Perfect for daily use with outstanding durability and reliability.
✓ KILLS TO THE ROOT: Provides complete weed elimination
✓ TARGETED APPLICATION: Easy trigger sprayer for precise application
✓ WELL-KNOWN BRAND: Trusted Ortho name in lawn care
Why We Recommend It
This Ortho product offers the convenience of a ready-to-use formula with a trigger sprayer for precise application. It effectively kills crabgrass, dandelions, and other common weeds to the root, providing complete elimination.
Best For
Homeowners who prefer ready-to-use formulas and want precise application control with a trigger sprayer.
Pros and Cons
Pros:
Ready to use – no mixing required
Kills weeds to the root
Convenient trigger sprayer for precise application
Well-established brand reputation
Cons:
Ready-to-use formulas are typically more expensive per application
May require multiple applications for severe infestations
Less coverage per bottle compared to concentrates
Customer Reviews
Customer Review: “I have used this product in the past but this is the first time using it in concentrate form. The dilution is 2.5oz (which is 1 capful) per gallon of water. They really should make this more obvious but it’s in the instruction booklet in small print (see photo). It works well but there are a lot of “
Customer Review: “Alright, I rarely give 5 star reviews but I wanted to wait to review until I had some time to see the results of this product.I live in central Florida and always get the usual weeds plus crabgrass each growing season. Last season (2015) I negligently let the fall weeds take over several spots in th”
The ornamec® over-the-top grass herbicide, 1 quart, 7781086 offers exceptional quality and performance. Stops unwanted grass growth within 48 hours, with full control in 1-3 weeks Pre-mixed with Aqua-Zorb CA Surfactant for superior absorption Safe for over 400 ornamental plant species with over-the-top application Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ RAPID ACTION: Stops unwanted grass growth within 48 hours
✓ SUPERIOR ABSORPTION: Pre-mixed with Aqua-Zorb CA Surfactant
✓ SAFE FOR ORNAMENTALS: Safe for over 400 ornamental plant species
✓ OVER-THE-TOP APPLICATION: Can be applied directly to grass without harming nearby plants
Why We Recommend It
This Ornamec product is excellent for targeted weed control around ornamental plants. It works quickly to stop unwanted grass growth within 48 hours and is safe for over 400 ornamental plant species, making it ideal for garden beds and landscaped areas.
Best For
Homeowners with ornamental plant beds who need to control grass weeds without harming their plants.
Pros and Cons
Pros:
Rapid action within 48 hours
Safe for ornamental plants
Superior absorption with Aqua-Zorb surfactant
Can be applied over the top without harming nearby plants
Cons:
Primarily for grassy weeds, not broadleaf weeds
May not be effective on all grass types
More expensive than some alternatives
Customer Reviews
Customer Review: “This was easy to apply and effectively killed the Bermuda grass without harming my plants, but I haven’t yet found the trick to managing the removal and cleanup of grass (dead or alive) that grows up and in my flowering shrubs. It’s perfect for flowerbed cleanup. A little pricey, but now that I’ve f”
Customer Review: “It actually worked to get rid of the Bermuda grass in my lawn”
The bioadvanced all-in-one 40oz lawn weed & crabgrass killer + spectracide weed stop for lawns plus c… offers exceptional quality and performance. ALL-in-ONE FORMULA: BioAdvanced’s All-in-One formula kills listed lawn weeds and crabgrass without harming the lawn KILLS WEEDS, NOT THE LAWN: Controls listed weeds – including crabgrass – not the lawn (when used as directed) SMARTTRACK MARKER: SmartTrack non-staining red marker shows treated weeds and fades with sunlight Perfect for daily use with outstanding durability and reliability.
Key Features That Stand Out
✓ BUNDLE DEAL: Combines two effective products in one package
✓ ALL-in-ONE FORMULA: BioAdvanced kills weeds and crabgrass without harming lawn
✓ SMARTTRACK MARKER: Non-staining red marker shows treated areas
✓ VALUE PACKAGE: Two products for the price of one
Why We Recommend It
This bundle offers excellent value by combining BioAdvanced’s All-in-One formula with Spectracide Weed Stop. The SmartTrack marker is particularly useful as it shows treated areas with a non-staining red marker that fades with sunlight, preventing over-application.
Best For
Homeowners looking to save money by purchasing two effective products in one bundle.
Pros and Cons
Pros:
Value bundle with two effective products
SmartTrack marker prevents over-application
BioAdvanced formula kills weeds without harming lawn
Saves money compared to buying products separately
When evaluating crabgrass killers, we consider several key factors including effectiveness against specific weed types, safety for your lawn type, ease of application, and overall value. The best crabgrass killers should effectively eliminate existing crabgrass while being safe for your grass type and the surrounding environment. We also look at the product’s ability to prevent future infestations and how user-friendly the application process is.
Budget Planning
Crabgrass control can vary significantly in price depending on the product type and coverage area. Concentrated formulas typically offer the best value for larger lawns, while ready-to-use products are more convenient but cost more per application. Consider your lawn size and infestation severity when budgeting. Some products combine fertilizer with weed control, offering additional value. Always factor in the cost of application equipment and the number of applications needed for complete results.
Final Thoughts
Choosing the right crabgrass killer depends on your specific lawn needs, grass type, and budget. Whether you need a comprehensive solution like our top pick, a budget-friendly option, or a specialized product for specific grass types, there’s an effective choice for every situation. Remember to follow application instructions carefully and consider preventive measures to avoid future crabgrass problems.
Frequently Asked Questions
Q: How soon can I expect to see results from crabgrass killer?
A: Most crabgrass killers show visible results within 3-7 days of application, though complete control may take 2-3 weeks. The exact timeline depends on the product formulation, weather conditions, and the severity of the infestation.
Q: Can I walk on my lawn after applying crabgrass killer?
A: Yes, you can typically walk on your lawn immediately after application. However, it’s best to avoid watering for at least 24 hours to allow the product to be fully absorbed by the weeds.
Q: How often should I apply crabgrass killer?
A: For preventive applications, apply before crabgrass seeds germinate (typically early spring). For curative treatments against existing crabgrass, one application is usually sufficient, but severe infestations may require a second treatment 4-6 weeks later.
Q: Are crabgrass killers safe for pets and children?
A: Most crabgrass killers are safe for pets and children once dry, but it’s best to keep them off treated areas until the product has completely dried and been absorbed by the weeds. Always follow the product’s safety instructions and wait times.
Q: Can I use crabgrass killer on all types of grass?
A: Not all crabgrass killers are suitable for every grass type. Some products are specifically formulated for certain grass varieties like St. Augustine or Centipede grass. Always check the label to ensure the product is safe for your specific lawn type before application.
Finding the right crabgrass killer can transform your lawn from weedy to wonderful. Based on our extensive testing and analysis, we’ve identified the top performers that deliver excellent results without harming your grass. Whether you choose our Best Choice, Editor’s Pick, or Budget option, you can trust these products to effectively eliminate crabgrass and keep your lawn looking its best. Remember to always follow application instructions carefully and consider preventive measures to maintain a healthy, weed-free lawn throughout the growing season.