Selecting The Best Crabgrass Preventer In The Market

Crabgrass can be very annoying simply because these weeds look very ugly and they are not known to provide any value to your lawn. Crabgrass is also known to be fast growers and spreaders. If you let even one of them live in your property, they will likely spread when you least expect it.

Crabgrass is also known to grow even in the most unlikely places. Their ability to adapt to different soil conditions allows them to easily grow inside the cracks of pavements and even in the garage. This is why before they attack and invade your lawn, you need to have the best crabgrass preventer around.

**Below, you'll find our more detailed reviews, but you can also click the links above to see current prices or read customer reviews on Amazon.

Selecting The Best Crabgrass Preventer In The Market

Things You Need To Consider Before Buying Crabgrass Preventer

In my experience crabgrass preventers need to be applied at the right time so that it will work properly. I have tried to use them before to no avail simply because I used the product too late. You need to keep in mind that these products work on the seeds to stop it from growing. It can’t work on sprouted ones.

With that said, the products that I recommend here are known to be able to provide good results for as long as you follow the instructions and use it properly. You should also take not that I recommend this product based on my experience and on customer feedback.

My recommendations For Buyers

The products are designed to be a preventer unless otherwise indicated. They are meant to be used to stop the crabgrass seeds from germinating. You might be able to use them very early to create a barrier before the seeds get into your lawn depending on formulation.

I highly recommend that you use this product based on your own soil temperature readings or on what experts recommend. You should also consider using this product in early spring or during Labor Day; this will ensure that the preventer is still there when the seeds arrive.

I do not recommend these products for lawns that are already infested with crabgrass. You should try to look for other products that are strong enough to deal with mature ones. I also do not recommend the products for those that have sensitive grass on their lawns or sensitive plants on their gardens.

The Differences Between A Pre-Emergent And Post-Emergent Product

When it comes to making sure that your lawn does not have any crabgrass growth, you can either choose a product that can prevent it from growing, or a product that can kill the ones that have already grown. You should also know that having a lush lawn, is the best way for you to keep this weed away.

When it comes to pre-emergent products, these are designed to target the seeds of the crabgrass. In most cases, the products might also be able to target the seeds of other grassy weeds. The concentration and formula of the products will determine the frequency and the time for application.

As for post-emergent products, these are no longer designed to deal with seeds. Instead, they are to be used for killing mature crabgrass weeds. Their concentrations are much stronger and they can have a more potent effect. These products are known to pose more danger to plants around the applied area.

How To Get Rid Of Crabgrass Seeds Using A Preventer

When it comes to removing crabgrass seeds, it might not be as easy or as simple as spreading the product all over your property. Although there are actually products that work this way, you should know that most experts will recommend mowing your lawn before the treatment.

You should apply it during the second regular mowing of spring so you can easily penetrate the ground with the preventer. You should also consider mixing the preventer with fertilizer so you can protect your lawn and support its growth. This will also help you fight crabgrass weeds better.

Aside from your lawn, you should also consider putting the preventer near your driveway, on the sidewalk, on cracks and crevices in the pavement and curbs. Crabgrass weeds can also grow in these areas and the mature ones can easily spread seeds towards you lawn.

The Best Crabgrass Preventer In The Market


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#1 The Scotts Snap Pac Lawn IaFFGM Food Crabgrass Preventer

The Scotts Snap Pac Lawn IaFFGM Food Crabgrass Preventer

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This product is crabgrass preventer that has been manufactured by Scotts. It is designed to provide you with a lot of convenience, making it a very unique product even among similar items. As a Snap Pac, you just need to load it on a spreader and you will no longer have to carry huge bags on your own.

This makes it very easy to treat your lawn no matter how big it is. This product also comes in threes; this is why I recommend it for large properties. Aside from the fact that it just snaps onto the spreader right away, what makes this product good for the lawn is that it is a preventer and fertilizer all in one.

This product can specifically help nourish your lawn and prevent the growth of crabgrass for three months per application. Another unique feature specific to this product is that it will also protect your lawn against heat and drought. It is guaranteed not to burn your lawn and it can be used on all grasses.


  • It is designed to work with a spreader
  • It can be applied and used conveniently
  • It fertilizes and prevents the growth of crabgrass
  • You can use the lawn right away after application
  • It will not burn the grass
  • It can be used on different grass types


  • It is not specifically formulated as a crabgrass pre-emergent product
  • It might not work well against the presence of too many seeds
  • It is not formulated to be a weed or crabgrass killer

#2 The Jonathan Green 10465 Crabgrass Preventer Plus New Seeding Lawn Fertilizer

The Jonathan Green 10465 Crabgrass Preventer Plus New Seeding Lawn Fertilizer

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This product is another crabgrass preventer that is combined with a lawn fertilizer. But what makes this product particularly unique is that it contains iron to help deep green your lawn. I highly recommend this product for those that have bare lawns and for those that need to seed their lawns with grass.

This is because once applied, the product’s ingredients will deter crabgrass seeds from developing, and its fertilizer content can help grass to grow. You should also take note that the fertilizer that it uses is made specifically for new seeding. Another unique feature is that it allows you to seed on the same day.

What this means is that you will only need 1 day to schedule everything your lawn needs including the treatment for the prevention of crabgrass, application of fertilizer for newly planted seeds, and of course, the spreading of the seeds themselves. This makes it a very good product for new lawns.


  • It has a unique feature specifically designed for new lawns
  • It prevents crabgrass growth
  • It fertilizes new seeds
  • It does not harm newly sprouted grass
  • It can produce fast results
  • It uses 20% controlled release nitrogen


  • This product will only cover 1,000 square feet
  • It might not work on all types of grasses and soil conditions

#3 The RM43 43-Percent Glyphosate Plus Weed Preventer for Total Vegetation Control

The RM43 43-Percent Glyphosate Plus Weed Preventer for Total Vegetation Control

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This product can help you prevent the growth of weeds like crabgrass and so much more. This is because this product can actually prevent the growth of all types of vegetation for up to a year. I recommend this product not just for crabgrass prevention, but also if you want to keep the lawn bare.

I do not recommend this product for those that still want grasses to grow on their lawns. But you should know that this product is very useful for those that want to start over especially if they want to use new grass types or do landscaping in the future.

While you might think that this product is too harsh, you can actually use this product in order to help prevent the growth of crabgrass on the sidewalk, curb, fence rows, around buildings and in vacant lots. This ensures that no crabgrass will take over these spots and put your own lawn in danger later on.


  • It makes use of a strong Glyphosate herbicide
  • It can prevent the growth of crabgrass
  • It can prevent the growth of all vegetation for 1 year
  • Ideal for use in bare lawns or bare spots of soil on your property


  • There are reports of people getting damaged product containers
  • Some people got items which were no longer potent

#4 The Scotts Turf Builder Halts Crabgrass Preventer

The Scotts Turf Builder Halts Crabgrass Preventer

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Much like the previous product, it can be used to help you deal with crabgrass and it can also be used to help you feed your lawn. However, what makes this product specifically more effective is that it has a stronger formulation that is meant to help you keep crabgrass off of your lawn for an entire season.

However, because of its formulation, you should not use it on some types of lawns that include bent grass lawns and those that are made up of dichondra. In fact, this product is potent enough to still keep on working despite rain, snow and cold weather. Its fertilizer can also be used to speed up growth.

I recommend this product for those who start applications after winter so you can make sure that your grasses will be able to grow first before the crabgrass has the chance to sprout. Just remember to water your lawn with ¼ or ½ inch of water 2 -3 after application so you can have the best possible results.


  • It works as a crabgrass preventer and fertilizer
  • It can be used to help speed up the growth of your lawn


  • It cannot be used on bentgrass lawns or dichondra lawns
  • It might damage non-target plants

#5 TheGreen Light Amaze Grass and Weed Preventer

TheGreen Light Amaze Grass and Weed Preventer

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This product is designed to help you prevent the growth of crabgrass and other weeds on your property. With this preventer, you can make sure that your lawn has a protective barrier against crabgrass seeds even before they have started to spread. The product can help you protect your area up to 4 months.

This product actually contains a mixture of Benefin and Oryzalin in order to help prevent the growth of broadleaf weeds. I recommend this product because it is made to target weeds such as crabgrass, common purselane, Lamb-quarters and other weed grasses for comprehensive protection.

I recommend this product for lawns that have well established plants, flowers, shrubs and trees. This is because it can be used around flower beds, ornamental bulbs and ornamental ground covers safely. It is also non-hazardous to pets and it contains 10 lbs of product for treating 4,000 square feet of lawn area.


  • It contains both Benefin and Oryzalin
  • It can prevent the growth of crabgrass, broadleaf weeds and a variety of weed grasses


  • You need to follow the products instructions properly to get good results
  • It cannot be used against sand spurs
  • It will not work against an active weed infestation


When it comes to crabgrass preventers, I would personally recommend the Scotts Snap Pac Lawn IaFFGM Food, Crabgrass Preventer especially to help you protect and support your lawn. I like the fact that it is very convenient to use on all grass types and that it will not burn grasses.

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