We hope you love the products we recommend! Growing Herbs For Beginners is reader-supported. When you buy through links on our site, we may earn an affiliate commission from Amazon. Learn more

Top 10 Picks For The Best Crabgrass Preventer For Your Lawn In 2021

0 282

Crabgrass has never been a good friend to plants in the garden. You can get rid of this disturbance with the best crabgrass preventer. They contain different substance mixtures to provide you the optimal elimination plan for each stage of this unwanted weed.

You must do a lot of research to know the specific product you need for your lawn. But don’t worry, you got us! We are here to unveil a thorough buying guide and some promising candidates in the spotlight.

Top 10 Picks For The Best Crabgrass Preventer In 2021

PICTUREPRODUCT'S NAMEPRICE
Syngenta Tenacity Turf HerbicideSyngenta Tenacity Turf Herbicide
Ortho Weed B Crabgrass ControlOrtho Weed B Crabgrass Control
Scotts Halts Crabgrass PreventerScotts Halts Crabgrass Preventer
Scotts Turf BuilderScotts Turf Builder
Green Gobbler Vinegar Grass KillerGreen Gobbler Vinegar Grass Killer

Below is a list of ten best crabgrass killer products that we have tested. Have a look at it and find out the best solution for your beloved lawn!

#1 Syngenta Tenacity B00DUTNF0 – Best Overall

The Tenacity herbicide from Syngenta is the best crabgrass preventer, according to our experts.

This product is one of the optimal pre-emergent and post-emergent herbicides available on the market. Particularly, it can handle more than 46 broadleaf weeds and other species. It is highly effective when it comes to killing crabgrass and weeds without harming your garden.

When applying as a pre-emergent item, weeds may prevent the Syngenta during emergence from the soil. Likewise, the post-emergent feature can help you to control the toughest weeds.

The main active ingredient of the Syngenta is mesotrione, which accounts for more than 40%. Mesotrione makes this herbicide for crabgrass two times stronger than other formulas. It is suitable for those who do not want to use a harsh chemical that might affect other plants in the garden.

However, one bad thing about this product is that it cannot give immediate results. Therefore, impatient gardeners are not recommended to purchase this preventer.

Syngenta Tenacity Turf Herbicide

Pros:

  • Active ingredient
  • Safe for the garden
  • Kill weeds at their roots

Cons:

  • High price
  • Long time to get results

Verdict

To get the optimal results for the lawn, you cannot go wrong with this two-in-one formula from Syngenta. It kills crabgrass effectively at its root and fights against other stubborn turf weeds. But do not worry, other plants in your yard will be safe.

#2 Ortho Weed B Crabgrass Control B00L3OLP8S – Best Safety

The Ortho Weed B Gon Crabgrass Control is guaranteed to be safe for your lawn. It comes in a giant one-gallon bottle, and a spray cap covers up to 5,000 square feet, which makes it easy for you to apply on different large areas.

This 32-ounce bottle contains a concentrated formula so that it only focuses on killing target weeds and other annoying species (up to 190 types of grass, including crabgrass). It also kills weed roots, which means that you just have to apply it to the weed and a tank sprayer’s top end.

One special thing about the Ortho Weed B Gon Crabgrass Control is that it works well in wet weather conditions and kills stubborn weeds for one hour in rainy weather. We highly recommend you use the product in the spring instead of the summer months.

Since it is a post-emergence herbicide, this preventer may not stop the lawn grass from growing back.

Ortho Weed B Crabgrass Control

Pros:

  • Concentrated formula
  • Affordable price
  • Fast results

Con:

  • Cannot prevent crabgrass germination

Verdict

This item from Ortho is a great option for protecting their lawn from annual weeds. Although it cannot stop the germination of crabgrass, it is very easy to use, rainproof up to one hour, and can cover a wide area in your residence.

#3 Scotts Halts Crabgrass Preventer – Best For All Seasons

This grassy weed preventer from Scotts requires a single application to control crabgrass during the entire season. Since it is a pre-emergence product, the Halts can prevent seedling crabgrass before it even develops. Rain, snow, or wet seasons cannot affect the product performance at all.

It is best to apply this systemic herbicide in early spring. When the garden is dry, spread the item on the areas where there is grass growth. Therefore, it can give better control of crabgrass and prevent them from germinating.

You can also apply the Halts during fall since it can kill other types of weeds such as chickweed, poa annua, and moss.

This is the best crabgrass preventer without fertilizer on the market. Use it in early spring and fall to enjoy a weed-free lawn all season long. However, you may need a second application to get an excellent result.

Scotts Halts Crabgrass Preventer

Pros:

  • Prevent common lawn weeds in every season
  • Kill many types of weeds
  • Affordable

Con:

  • May require a second application

Verdict

If you want your garden to have the best look all year round, opt for this pre-emergence herbicide from Scotts right away. This grassy weed preventer can stop annoying weeds from growing and protect the garden from rain and freezing weather. It is much better to use it with a Scotts spreader.

#4 Scotts Turf Builder 22305 – Best Price

Compared to the Scotts Halts above, this 22305 Turf Builder would be a perfect match if you have a tight budget. It is one of the best crabgrass pre-emergent herbicides and lawn fertilizers at the same time. Each bag can cover up to 5,000 square feet, but you may also want a 15,000-square-feet bag.

With a strong, exclusive Scott’s all-in-one particle technology, this turf product can make the yard greener and fresher. It builds strong, deep roots and enhances your lawn’s ability to absorb more nutrients and water.

Moreover, you may want to apply the Turf Builder around April or May to prevent annoying weeds from growing. If you wait until the crabgrass appears, you will not get the desirable results.

Scotts Turf Builder

Pros:

  • Low price
  • Modern technology
  • Beautiful garden

Con:

  • Cannot kill if crabgrass is already there

Verdict

This will be an all-in-one lawn weed fertilizer to stop the crabgrass plant from growing at the beginning of summer. It applies to any grass, helps to build better roots, and improves your lawn’s health. Remember that the Turf Builder 22305 is cheaper than others as well.

#5 Green Gobbler Vinegar B07GSGFBRN – Best Organic Product

Tired of toxic chemicals that damage your lawn yet? Try this natural option from Green Gobbler now!

With a single bottle, you can control crabgrass infestation and other weed types. The B07GSGFBRN contains 20 percent of acetic acid; this active ingredient is natural and safe to use anywhere, from commercial, residential, industrial to agricultural lawns.

This item is also certified for organic use since it is made from corn and completely glyphosate-free. 20 percent of this formula is four times stronger than traditional vinegar so that you may rest assured of its effectiveness. After a couple of hours, you can acquire a brilliant result that it can bring

This grass killer is very easy to use. With an applicator, you just need to spray anywhere you want. No need to dilute with water! Nevertheless, you may sometimes need multiple applications when using this item.

Green Gobbler Vinegar Grass Killer

Pros:

  • Organic and safe to use
  • Easy to apply
  • Fast-acting results

Con:

  • Need more than one application

Verdict

If you are an environmental enthusiast, you cannot go wrong with this broadleaf weed control from Green Gobbler. Without glyphosate, your lawn will be free from both weeds and harsh chemicals. Its easy-to-use features and fast-acting results make this product the best organic herbicide.

#6 Quali-Pro Prodiamine 65 WDG – Best Pre-Emergent Herbicide

According to our experts, you may have heard of those pre-emergents above, but this herbicide from Prodiamine would be the optimal option. It is available in a five-pound bottle at an acceptable cost.

The Quali-Pro 65 WDG helps prevent grass and broadleaf weed from growing at the beginning of the season. It is flexible to use, allowing for both spring and fall. Therefore, you may not have to worry about your lawn all season long anymore.

The main ingredient of this pre-emergence herbicide is Prodiamine (65 percent), which is highly effective in the battle against summer annuals, including poa annua, henbit, chickweed, spurge, and more. If you pair it with a decent sprayer, such as a tank, and mix it with fertilizers and iron solutions, you will be surprised by its results.

Despite several excellent features, this product may sometimes kill beneficial grass in your lawn as well.

Quali-Pro Prodiamine 65 WDG

Pros:

  • Strong and active ingredient
  • Can kill many types of grass

Con:

  • Sometimes eliminate beneficial species

Verdict

To stop the garden from being damaged by common weeds, you may want to go for the Quali-Pro 65 WDG from Prodiamine. Not only does it help to prevent the germination of grass types all year round, but it is also affordable. Therefore, why don’t you try it out?

#7 Compare-N-Save Grass Killer B00ARKS3XO – Best For All Types Of Weeds

Most of us are frustrated when it comes to dealing with tough crabgrass and common weeds. However, with the Compare-N-Save B00ARKS3XO, killing them is as easy as pie now!

This product is made from a concentrated formula that can cover from small to medium size yards (up to 25,000 square feet). It contains 41 percent glyphosate, powerful enough to eliminate up to 175 types of weeds, even the most stubborn ones in your lawn.

To apply the item, prepare solutions and mix it with water. The B00ARKS3XO grass killer is easy to apply almost anywhere, including driveways, walkways, fences, flower beds, and edible plants. After two to four days after application, you will notice a desirable result.

One warning is that you should be careful when spreading the item on your lawn because it may kill everything it touches.

Compare-N-Save 016869

Pros:

  • Tackle the most stubborn weeds
  • Can apply anywhere

Con:

  • Kill other grass species

Verdict

This concentrated formula would fit people looking for a powerful solution or have to deal with severe crabgrass infestations. With nearly half of it made from glyphosate, killing tough grass weeds will no longer be an arduous task.

#8 Roundup Extended Grass Killer & Preventer – Best Fast-Acting Results

If you want to see visible results after applying a crabgrass preventer, don’t hesitate to opt for the Roundup Grass Killer. This product can bring excellent results just after six hours.

Thanks to the dual-action formula, the Roundup can kill existing weeds and fight against new species for up to four months. With 18 percent glyphosate, it guarantees to kill weeds at their roots.

You can use this product on sidewalks, patios; along with foundations, fences, gravel areas, and decorative rocks as well. It is rainproof in 30 minutes and will keep your garden green and beautiful.

Remember to mix it with water after applying it to your lawn. Nonetheless, the Roundup cannot cover large areas. It would be more suitable if you live in a small residence.

Roundup Extended Grass Killer & Preventer

Pros:

  • Strong ingredients
  • Fast-acting result

Con:

  • Not suitable for big lawns

Verdict

The Roundup Extended would be suitable for those who want to see fast, immediate results hours after applying. It is perfect to use extensively for a long period thanks to a powerful formula and moderate price.

#9 Southern Ag Amine White Bottle – Best For Warm Climates

Looking for effective weed control when living in warm and dry weather conditions? The Southern Ag Amine weed killer has got your back!

This weed controller is made from dimethylamine salt, a fairly active ingredient when it comes to an excellent weed preventer. It is also a selective herbicide. You can apply this item before the spring begins and keep unwanted plants away from your gorgeous lawn.

It is recommended that you use the Amine White Bottle in rangeland and pastures, cemeteries, parks, or golf courses. Even though it is suitable for warm weather, using it in colder locations will not affect its performance.

However, one drawback about this weed killer is that you may have to wait up to two weeks to see the results. This preventer is not a great choice for impatient gardeners.

Southern Ag Amine White Bottle

Pros:

  • Active ingredient
  • Kill weeds at their roots

Con:

  • Long time to get results

Verdict

This crabgrass preventer is an excellent choice for those who live in dry and warm weather. It is safe to use for lawn and can help maintain a stunning look for your garden during the growing season.

#10 Spectracide HG-95703 Weed Stop For Lawns- Best Sprayer

Our last choice of the best crabgrass preventer spray belongs to the Spectracide HG-95703. It controls almost all types of weeds, including crabgrass, yellow nutsedge, and more, helping your lawn to be in a perfect condition.

With dimethylamine salt as the main ingredient, this crabgrass killer is effective and fast-acting enough to bring about visible results in just eight hours. It is also rainproof within three hours so that it will not wash away the effects.

This product treats up to 5,000 square feet. With a quick flip hose-end sprayer, you only need to attach it to your garden hose and activate it at the flip of a switch. Pretty easy, right? And the best time to apply the HG-95703 is daytime when the temperatures are between 45 and 90 degrees Fahrenheit.

Nevertheless, this item is not potent enough to remove common weeds such as dandelions.

Spectracide HG-95703

Pros:

  • Can use for large lawn
  • Easy to use

Con:

  • Cannot kill common weeds

Verdict

If you seek a preventer that is strong enough to kill certain types of weeds, opt for the Spectracide HG-95703. It would be a brilliant option for areas that do not severely suffer from crabgrass seedlings with moderate ingredients and fast-acting results.

Best Crabgrass Preventer Buying Guide 2021

Nobody can win any battle without knowing his competitor. For that reason, before rushing into buying a random herbicide on the market, it is necessary to prepare some basic biological knowledge, at least the life cycle of the crabgrass.

Thence, you will know that there are two common types of crabgrass killers: Pre-emergent and Post-emergent herbicides. Each type of herbicide contains different substances to kill the grass from the root based on its cycle characteristics.

Besides, you might also need to consider other factors depending on what you want to do with the lawn overall.

What Would You Prefer: Selective Or Non-selective?

All herbicides can be either selective or non-selective types. Selective herbicide does not eliminate all kinds of weed. but only works on some specific kinds, such as broadleaf or grassy weeds. In doing so, it cannot harm non-targeted plants, which makes it highly beneficial while spraying the product on lawns.

However, as it only works with a particular type of grass for a product, you need to read the product label carefully. Or else, your crabgrass elimination plan might not take effect pretty well. The instructions also inform you about the area recommended for the products. So try to keep it carefully in mind!

On the other hand, the non-selective herbicide is quite a kill-it-all type. It will give you a complete plant-free finish, leaving a brand new soil area for you to grow new weeds. Therefore, it is advisable to use it for driveways cracks. If you are planning on a landscape makeover or flower bed replacement, it will work excellently as well.

Read more:  Put An End To Invasive Weed With The Best Crabgrass Killer!

Pay Close Attention To The Application Method

While shopping for herbicides, you would notice that they come in either dry granules or liquid sprays. Mostly praised for high productivity in large areas, the liquid sprays work wonderfully with a hose-end sprayer.

You can eliminate all the crabgrass in the garden within less than an hour. It is highly recommended to use a tank sprayer to better mobility and control over crabgrass regarding smaller areas and spot treatment.

But there is a caution: Watch out for the wind direction to prevent spraying in unwanted areas. It might harm other weeds.

And there comes a second type; the dry granules are mostly for pre-emergence or post-emergence herbicides. They usually go with a calibrated lawn spreader to complete their crabgrass removal. After the work is done, you should store it in cool, dry conditions for next use.

The downside of this herbicide is that it takes you more time to spray all over the lawn. And it might not work if the grass has already grown. So it is critical to pay attention to those features to get the best choice.

FAQs

Now let’s check out some answers to FAQs from customers we often receive! It can help you considerably in sorting out the final choice.

When Should It Be Best To Start Using Crabgrass Preventer?

It is ideal for applying the product in summer when soil temperatures are above 55 degrees Fahrenheit constantly for three days, they gradually germinate as crabgrass seeds grow fast when the weather warms up.

The process will go much faster when the temperature range is around 60 and 70 degrees Fahrenheit. Therefore, you should take control of the growth of crabgrass from this stage. When it reaches late summer, it might require a much stronger solution.

What Do I Use To Kill Crabgrass Only?

Once the weed grows and crabgrass no longer in its germination stage, your healthy lawn is under great threat. Pre-emergents can not work anymore. You would need to apply stronger crabgrass control which is selective and post-emergent herbicides. These special formula products will return your favorite garden to the beautiful, untouched stage.

Will Heavy Rain Wash Out Pre-emergents?

It is the most common misconception when gardening. Not only does the rain not wash away the beneficial chemical, but it also pushes the product further down the soil. Thus, you can better prevent those annoying seeds from developing into mature crabgrass.

Even if you live in rainy Seattle, it is completely suitable to take such precautions to protect the plants.

What Would I Rather Do: Kill Weeds Or Overseed First?

To grow a healthy lawn, killing weeds first is a must. Any weeds would slow down or even harm the growth of your plant in the future. If identified soon, you should deal with the weeds to create the most favorable environment for new plants to grow.

It is advisable to spray lawn weed killer two weeks before you start to germinate your plant. The soil would absorb the chemical enough to kill all the grass and restore its nutrition balance to start a new growth plan.

Should I Pull Out Crabgrass?

Most crabgrass will die when fall arrives, after the first frost. However, you should make sure to remove all grass seeds as they disperse through the wind. Or else, there is a high chance that they will come back next season. So the best way is to remove all the weedy clumps you can see.

You can use pre-emergence or pull it out by hand. But if you intend to do the chemical-free method, it is better to use extra props such as sod cutters.

Final Thoughts

The best crabgrass preventer can be your amazing sidekick in eliminating this annoying saboteur, returning your lovely garden to its best state. Depending on your preference, each crabgrass preventer would work differently. So check your lawn’s condition carefully and look for the right formula!

For us, the Syngenta Tenacity Turf Herbicide and the Ortho Weed B Gon Plus deserve our attention the most, thanks to all the outstanding features they offer. You would be amazed with their thorough effectiveness and security over other plants as well as your family members.

If you live in specific climates such as the South, the Southern Ag Amine White Bottle would be a wise choice for its supporting features.

Tell us about your favorite crabgrass killer in the comment section below!

Thank you for reading!

Read more tips at www.growingherbsforbeginners.com

Leave A Reply

Your email address will not be published.