8 Best Crabgrass Killer And Preventer To Buy In 2023 (Expert’s Choices)

If you are a regular gardener, you must be aware of the stress of regularly removing the weed from your garden. Crabgrass is the most annoying type of plant that might grow in your garden. On top of that, it is proven to be damaging to your health. It takes away all the nutrients from the soil and degrades the quality of other plants.

They grow a lot during the monsoon season and keep bothering you for the remaining year. Thus, it is vital to find the best weed killer that eliminates the crabgrass from its roots. To help, we have made a list that includes the best eight weed killers you can purchase in 2023.

Best Crabgrass Killers And Preventers

Image Product
Tenacity Turf Herbicide
  • Effective
  • Control a wide variety of pests
Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer
  • Can cover a wide area
  • Can be used as post-emergent
Scotts Halts Crabgrass & Grassy Weed Preventer
  • Stop Crabgrass Before it Starts
  • Remains Unaffected By Changing Weather
Preen 2464107 24-63798 Weed Preventer
  • Prevents Weeds Around Flowers and Vegetables
  • Prevents Weeds for up to 3 Months
Effective to suppress weeds
  • Rainproof within one hour
  • Ready to Use
BASF Drive XLR8 Crabgrass Herbicide
  • Faster Weed Control
  • Target Pests
Southern Ag 006130 Atrazine St. Augustine Weed Killer
  • Kills Many Pests
  • Provides Suppression of Crabgrass
Celsius WG Herbicide 6666194
  • Suitable For Many Lawns
  • Post-Emergent Herbicide

1. Tenacity Turf Herbicide

Tenacity is an herbicide manufactured by a well-known brand named ‘Syngenta .’It is an effective product that helps control several types of weeds in your garden. You can use it before and even after the emergence of weed.

The main ingredient used in making the product is Mesotrione, an active ingredient. The ingredient itself is naturally occurring and can be found in particular plants. It has the property that makes it easily absorbable by all the plants using their roots or leaves and can even be distributed in all the parts of the plant using xylem and phloem.

The weight of the tenacity bottle is around 8 ounces. While we talk about the measurements of tenacity, the bottle is 2 inches in length, 2.5 inches in width, and 4.5 inches in height. The date of manufacturing of the herbicide is mentioned behind the bottle. It would be best to store it in cool temperatures to maintain its shelf life of 5 to 8 years and effectively suppress weed.

Herbicide for Weeds:

Tenacity can control the spread of weeds even before and after the emergence of weeds in your garden. It is a systematic process that helps you control weed as it has the properties of an herbicide.

Used as Pre-emergent:

It is considered best to use tenacity as a pre-emergent herbicide because that gives the best results. If you use it as a pre-emergent, the weed shall absorb the herbicide when it emerges from the soil.

Also Read: When to Apply Pre-Emergent Herbicide – Preemergent Weed Killer

Target Pests:

It is used to control different pests and weeds. Using Tenacity, you can suppress pests like carpetweed, clover, chickweed, henbit, foxtail, thistle, yellow nutsedge, crabgrass, etc.

Shelf Life:

If you properly store the herbicide and maintain it, it will be helpful in 5 to 8 years when calculated from its manufacturing date. It would help if you kept the herbicide far from direct sunlight. It would help if you also kept in mind that you should not store it in areas that experience a very high temperature.

Pros and Cons of Tenacity Turf Herbicide – 8 ounces


  •  Tenacity can be used before and after the spread of the weed.
  • The plants can easily absorb through their roots and leaves and distribute them throughout.
  • It can effectively control a wide variety of pests.


  • It is a very powerful herbicide, and thus it can whiten the turfgrass temporarily.
  • Depending on the type of target weed, it can take a long time to eliminate the weed from your turfgrass.

2. Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer

The weed killer manufactured by Bio advanced is a compelling product as it allows you to eliminate around 200 types of weeds from your garden. It effectively does its job and does not cause any harm to your garden. 

The weed killer produced by Bio advanced is measured at 2.65 pounds in weight. It is effortless to use the weed killer as you need to dilute it in water and spray the solution to your garden using a spray jar. The item measures 4.7 inches in length, 2.8 inches in width, and 10.3 inches in height.

All In One Formula:

It is an all-in-one formula that is proven effective in eliminating all the targeted weeds from your turfgrass. It benefits by killing unwanted crabgrass. The best part about the bio-advanced weed killer is that it effectively removes the weed without causing any harm to the lawn.


It is a potent weed killer that kills all the unwanted weeds from your garden. You will be surprised to know that it can effectively eliminate around two hundred pests, including dandelion, clover, foxtail, panicum, and crabgrass.

Root killer:

This active formula kills the weed in just one step making the process easy for you. It is ideal for huge lawn areas as it can suppress weeds by treating up to five thousand square feet of land at once.

Rainproof Protection:

The rainproof feature of this particular weed killer proves to be an added advantage. It provides you with rainproof protection within one hour.

Pros and Cons of Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer


  •   It is a ready-to-use weed killer, and thus the process is made easy for you.
  • It can be used for large lawns to provide adequate coverage for up to 5,000 square feet of land.
  • You can also use the bio-advanced weed killer as a post-emergent as it can kill the grown crabgrass too. 


  • This particular weed killer would require some time to show effective results.
  • The utility of the weed killer can be compromised if you store it at a temperature above 90 degrees Celsius.

3. Scotts Halts Crabgrass & Grassy Weed Preventer

Scott’s weed killer provides efficient prevention against the stubborn weed on your lawn. It can show results just with a single application. The product remains unaffected by the seasonal changes and gives the best results in all the temperatures.

The best time to use this would be before the spring season because it will protect weeds for the entire year. You will not be worried about the weeds like chickweed during the winter season. It will also curb the growth of crabgrass before it germinates and spreads all over your lawn.

The Scott’s weed killer comes in a bottle that weighs around 9.63 pounds. While we talk about the measurements of the bottle, its length is 15 inches, its width is 10 inches, and 3 inches in height.

Stop Crabgrass Before it Starts:

The weed killer manufactured by Scotts is very effective and easily suppresses crabgrass from your lawn. It can prevent unwanted pests with a single application and keep them away all year long.

Apply in Early Spring or Fall:

The best time to use the weed killer in your garden is before the fall of the spring season because it does the job effectively and keeps the pests away from your garden for the entire year. The weed killer would also prevent the winter pests, including henbit, chickweed, and Poa annua. It will also eliminate moss from your turfgrass.

Remains Unaffected By Changing Weather:

The best part about this weed killer is that it is not affected by the various changes in the seasons. The powerful performance of the weed killer will not be influenced by extreme weather conditions like rain or snowfall. It will help you remove unwanted weeds from your lawn during any season and under weather conditions.

Pros and Cons of Scotts Halts Crabgrass & Grassy Weed Preventer


  • The efficiency of the product remains unaffected by the change in the temperature.
  • It can easily remove the unwanted weed from your garden within a single use.
  • It prevents weeds and crabgrass for the entire season if you use it at the start of the season.


  • It cannot kill the crabgrass after they have grown.

4. Preen 2464107 24-63798 Weed Preventer

The Preen weed preventer helps eliminate the unrequired weed from your garden by creating a layer that prevents weeds from growing. It is suitable for use around a massive variety of flowers and trees.

The weed killer comes in a pack that measures around 13 pounds in weight. While we talk about the measurements of the Preen weed preventer, it is 14.5 inches in length, 11.5 inches in width, and 13.5 inches in height. It can cover an area of about 2,080 square feet on land.

Prevents Weeds Around Flowers and Vegetables:

It is a versatile weed killer that will help you prevent weeds around various flowers and vegetables. It is suitable to be used around 200 such flowers and trees, and there is a special list curated for the vegetable section.

Apply Anytime Weeds are Growing:

The weed killer manufactured by Preen gives you the best results when you use it before the start of spring when the weed is not grown yet. But, because of this feature, you can control the weed if you forget to spray it at the start, even after they are grown.

Prevents Weeds for up to 3 Months:

This product prevents weeds like thistle, chickweed, and purslane for around three months. It can effectively eliminate both the broadleaf garden weed and grassy garden weed.

Pros and Cons Preen 2464107 24-63798 Weed Preventer


  • The preen weed killer can effectively kill weeds of mostly all types.
  • It can be safely utilized around a variety of edible flowers and plants.
  • It encircles an area of 2,080 on the ground.


  • It is an unfit tool for every lawn type.

5. Ortho Weed B Gon Weed Killer For Lawns

The Ortho weed killer includes a practical solution that can easily be sprayed in your garden area to remove unwanted weeds. It fights against many weeds, including dandelions, clover, and broadleaf weeds from its roots. The best part about this product is that it will kill the weed without causing any harm to your garden.

You can directly spray this liquid to the areas where you find the extra weed growing so that it can curb the growth and cut them off completely. It is effective for more than 250 varieties of weed. It is also rainproof within one hour.

The weight of the Ortho weed killer is measured at 9.39 pounds. The product’s proportions are 4.8 inches in length, 12 inches in width, and 8.95 inches in height.


Ortho manufactures weed killers in different sizes to make them convenient to buy as per your requirements. It comes in a 32 oz pack that can easily cover an area of around 16,000 square feet, and the larger pack comes in the size of 1 gallon and can cover an area of about 64,000 square feet.

Ready to Use:

Removing weed from the grass is even easier because this weed killer comes in a ready-to-use pack that is best suitable for spot treatments. Your work becomes a lot less, and the control of the liquid lies in your hand.

Ready to Spray:

With this weed killer, you will be saved from weed and the tension of mixing and measuring to create an appropriate solution. You can use a garden hose, spray it directly to the affected areas, and get it done faster.

Pros and Cons of Ortho Weed B Gon Weed Killer For Lawns


  • It is effective to suppress weeds of more than 250 kinds.
  • It is rainproof within one hour.
  • It is ready to use, which will save you the time of mixing and measuring it with another liquid.


  • The price of the Ortho weed killer is quite high.

6. BASF Drive XLR8 Crabgrass Herbicide

The Drive XLR8 is a unique water-based weed killer that removes unwanted weeds by suppressing their growth. It can even kill the grown crabgrass.

The weight of this particular weed killer is measured at 5 pounds. The product’s dimensions are 6.5 inches in length, 3.8 inches in width, and 8.95 inches in height. 

Latest Technology:

The Drive XLR8 is a potent weed controller that gives you excellent results in just one use. It is a water-based formula that controls the spread of many weeds in your garden. The best part about this product is that it does not harm your garden while suppressing the growth of weeds.

Faster Weed Control:

It is specially formulated to provide you with a fantastic outcome. You can see the magic of the weed killer in just an hour of usage. It is an efficient formula that clears the weed from its route in significantly less time.

Target Pests:

This weed killer can deal with a huge variety of pests like bindweed, crabgrass, clover, dandelion, foxtail, and speedwell.

Pros and Cons of BASF Drive XLR8 Crabgrass Herbicide


  •  It offers faster relief from the unwanted weed in your garden.
  • It can be mixed with other pre-emergence and post-emergence weed killers.


  • It requires to be diluted with other liquid with proper measurements, which can be hectic sometimes.

7. Southern Ag 006130 Atrazine St. Augustine Weed Killer

The weed killer manufactured by Atrazine is a very powerful weed killer that can suppress the growth of various weeds. It is advisable to use the solution on centipede and St. Augustine lawn grasses.

The weight of the Atrazine weed killer is measured at 2.29 pounds. The dimensions of this weed killer are 6 inches in length, 3 inches in width, and 8 inches in height.

Kills Many Pests:

The Atrazine weed killer can be easily used in centipede grass. It can effectively kill many varieties of broadleaf weed.

Provides Suppression of Crabgrass:

This weed killer can kill all kinds of weeds that are already emerged or are emerging from seeds. It helps suppress the growth of crabgrass. The product’s active ingredient includes 4 % atrazine, which is very useful in preventing weed.

Covers a Wide Area:

It can cover a wide area of about 1,000 square feet on land if you mix the solution with 2 gallons of water. Thus, it is an ideal solution for a larger plot of land.

Pros and Cons of Southern Ag 006130 Atrazine St. Augustine Weed Killer


  • It can effectively suppress crabgrass within eight hours.
  • It does not cause any harm to the other grasses while killing the weed.


  • It is ineffective to kill the more stubborn weeds such as dandelions.

8. Celsius WG Herbicide 6666194

It is an effective weed controller that helps you suppress the already grown weed.

The Celsius herbicide weighs around 12.9 ounces, and the bottle is 9.37 inches in length, 3.35 inches in width, and 3.07 inches in height.

Suitable For Many Lawns:

This weed killer is specially formulated to suit various grounds such as residential and commercial grounds, parks, school grounds, golf courses, and other sports fields.

Post-Emergent Herbicide:

It is mainly used as a post-emergent weed that can curb the further growth of unwanted weeds in your garden, and you can notice the change in just a few hours after the usage of the product. However, it might be easier to control the weed when the surroundings’ temperature is relatively high than in cool weather conditions.

Broad-spectrum Weed Control:

It is an active weed controller that works on many weeds and suppresses them significantly. Get rid of the harmful weed in your garden using the Celsius herbicide. 

Pros and Cons of Celsius WG Herbicide 6666194


  • It can effectively suppress the growth of mature weeds in your garden.


  • The performance of this weed controller can be affected in cooler weather conditions.


It is the list of best crabgrass killers and prevents you can purchase them in 2023. All the weed killers and herbicides mentioned above are of fantastic quality and provide effective results by curbing the growth of weeds and eliminating it from your garden.

The ideal weed killer is the one that does not harm other grass while removing the harmful weed from your garden. Select the most appropriate one from the table depending on your requirements. Calculate the area of your garden and pick the accurate weed killer.

You May Also Read: Quackgrass vs Crabgrass: Differences & What They Look Like

About Jennifer Igra

Growing up in Brooklyn, New York City known for it’s green gardens. Jennifer, a 30 year old gardener and green living fanatic started Igra World to share her gardening journey and increase gardening awareness among masses. Follow Igra World to improve your gardening skills.

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