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Best Weed Killer for Lawns: Top 5 Options in the Market

Removing weeds manually can be a grueling task. Hiring professionals to remove weeds for you may not be easy either because it can cost a lot of money. Fortunately, technology has made it easier for people to eliminate notorious weeds from their fields, gardens, and lawns. With the right product, keeping your lawn in top shape can get a lot easier, but how does one go about finding the best weed killer for lawns?

We have singled out and reviewed five candidates for the best weed killer for lawns of 2018. We highly recommend the below products to anyone who is keen on protecting their lawn from unwanted weeds. The products we have reviewed are the following:

Best Weed Killer for Lawns - 2018

Before you embark on the task of buying a weed killer for lawns, there are a few things you should learn. To begin, weed killers can be synthetic or organic. Most people prefer organic weed killers because they are made using a combination of natural ingredients. These substances may have their limitations but they are still less strenuous than th​e manual way of uprooting the weeds.

Getting rid of weeds in lawns without damaging your grass can be considerably difficult because most weed killers available in the market are non-selective; hence, they destroy every plant growing in the area where they are sprayed. Therefore, it is important to be careful when you go out shopping for a weed killer ​and ensure that you read the labels carefully before putting a herbicide in your shopping cart.

There are four major types of weed killers:

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Best Weed Killer Spray weed

The selective concentrates are usually synthetically manufactured and they only target unwanted plants, leaving your beloved plants intact. Non selective herbicides on the other hand do not discriminate and destroy any plant they come into contact with.

The majority of weed killers in the world are usually packaged in liquid form and are applied either using a sprinkler can or garden sprayer, depending on the size of the area being sprayed.

Granular weed killers exist in the market but they are not as common as the liquid ones. They are usually spread manually and the person handling them is advised to wear protective gloves to prevent any form of damage to their hands.

How to Find the Best Weed Killer for Lawns

There are various factors that buyers should consider before buying a weed killer for their lawn. These include the following:


The cost of a herbicide tells a lot about its quality. In most cases, expensive herbicides are better than cheap ones. Nevertheless, you should be okay if you just buy the best product you can afford.


A weed killer is only as good as the ingredients used to make it. Study the components used to make any weed killer that you are about to buy. Organic ones are the best because they are biodegradable. 

If you find a weed-and-feed liquid, all the better, because it will serve two purposes and will prove to be very cost-effective. A liquid lawn weed-and-feed nourishes the plants while killing harmful weeds.


Ensure that the weed killer you purchase does not harm the environment. Since it's very likely that they will be the ones spending the most time out in the yard, the best weed killer for lawns should also be safe for your children and pets.

Best Weed Killer Spray Child and Pet Safety

Size of the Area to be Sprayed

Different weed killers are ideal for different sizes of land. Extremely selective herbicides are perfect for large farms. Buy concentrates that are suitable for the area you want to cover. Buy more if you want to cover a large area and less if you want to apply on a small area.

Why Would Anyone Even Need to Get Rid of Weeds?

Weeds, as you may know, can be detrimental to your yard because they compete with other plants for sunlight and nutrients; they grow fast and make an area look unsightly and deserted. If you have a lawn, the last thing you want is for it to look ugly and disheveled.

Finding an effective and reliable weed killer is the best thing that can happen to your yard because you will be able to control weeds and reclaim the lost beauty of your lawn. Most weed killers in the market harm grass and lawns, but if you look carefully and invest enough time doing thorough research, you will discover hidden gems of lawn-friendly herbicides.

Select the one that best suits your budget and needs and put your weed problems to rest. This video below will show you how to kill weeds in your lawn:

​What's the Best Way to Use Weed Killer Spray?

Weed killers for lawns are best used in killing weeds that attack lawns. You must read instructions carefully to know the right mixture to use for the desired results.

​Prerequisites to Using the Product

While some of the products may come with sprinkler cups, most do not. However, you can buy a sprinkler online or in the store near you and use it to spray the mixture.

Lawn Care

​Lawn care entails more than just removing weeds; it also requires you to spray the lawn with a lawn fertilizer such as the Gordon’s liquid lawn fertilizer. Research liquid lawn fertilizer concentrate reviews to find out the best liquid lawn fertilizers available.

​Weed Killer for Lawns Review 2018

This herbicide’s main ingredients are 24-D and triclopyr and it's at the top of our list of best weed killers for lawns. This herbicide is great for killing weeds in all kinds of lawns; regardless of the size of your lawn, it'll get the job done. Also, it's quite safe and will not affect humans, pets or the environment.

Crossbow is very efficient at killing most types of weeds and undesirable brush. This liquid weed killer concentrate is quite easy to use and comes with detailed instructions. You can easily spray the formula using most sprinklers available in the market. 

The Crossbow liquid weed killer concentrate makes the task of clearing weeds in lawns hassle-free. You will not need to spend a lot of energy like you would with weed pulling tools. Another advantage with this product is that it is quite affordable. It is the perfect choice for someone with a yard full of useful plants.


  • Available in a 32-oz container
  • Its ingredients are low-volatile
  • It is cost-effective
  • It can kill shrubs and trees


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    ​It becomes more volatile in summer
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    You must use protective gear when handling the product
Spectracide 95834 Weed Stop for Lawns Bottle

Getting rid of weeds in a lawn is extremely difficult if you don't have the right tools.  With Spectracide 95834 Weed Stop for Lawns in hand, you can deal with your weeds problem without a problem.

This product is designed to kill broad-leaf weeds only, unlike other products that destroy all plants and grasses. The fact that it is a selective weed killer makes it ideal for someone who cares greatly about the environment. In addition, the 32-ounce container is long-lasting. It acts fast and it is efficient in destroying about 200 weed species.

Its performance is exceptional since the weeds do not have a chance of germinating after treatment. Another great characteristic of this concentrate is that you do not need to reapply it after a while. One application will give you satisfactory results.


  • ​Environmentally friendly
  • ​Kills more than 200 weed species
  • ​Works well on lawns because it is selective
  • Its impact is long-lasting


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    ​Acts slowly

This liquid weed killer concentrate is also quite safe and will not have a negative effect on your skin if it touches you. Your pets and the environment are also safe from harm with this product.

It is capable of eliminating roughly 200 types of weeds. It is relatively cheaper than its competitors but it does not compromise on quality and can kill weeds in a big lawn effectively. However, it does not show results fast; hence, you have to be patient.

One unique aspect of this herbicide is that it is organic; this attribute makes it superior to the synthetic herbicides in the market. Available in a 25-ounce package, it will last a very long time.

This product is user-friendly and will not give you a headache trying to figure out how to prepare and use it. Users have described it as being highly efficient, which makes it worth every single penny spent on it.

Popular for its effectiveness in destroying both narrow and broad leaf weed species such as crabgrass and dandelions, it works by preventing unwanted vegetation from growing by limiting the expansion of seedlings roots.


  • Use-friendly
  • ​Comes in a big 25 ounces package
  • Organic hence it is biodegradable
  • Safe for use at home or commercial purposes
  • Available in granular form making it easy to apply


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    Requires repeated applications, ideally twice in a year
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    ​Spreading granular over a large area can be tasking

It is also great for spraying on lawns because it does not damage them and it also helps nourish the lawns. This herbicide will kill not just the part above the soil but the roots as well. It produces permanent results which is why most consumers like it.

Also, it is quite fast and is safe for both animals and humans; hence your pets and children will be safe around it (I would still keep it away from them, though). Lastly, this product is effective in killing weeds regardless of the weather. With all these amazing features, it is no surprise that it is one of the best weed killer for lawns that we have chosen for you.

Bayer Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer Concentrate is manufactured by an established company and it does not disappoint. This product is a good candidate for the best weed killer for lawns of 2018 because of its effectiveness in killing over 200 weed species including poison oak, clover, dandelions, crabgrass, berries and ivy.

It kills the weed and destroys the root, which is why it has long lasting results. The good thing about this product is that you do not have to worry about getting the formula right because it does not require mixing, which can save you a lot of time and effort. Also, you can mow the lawn a day or two after spraying the chemical. However, it should not be used on St. Augustine grass. 


  • ​It is safe and does not cause irritation
  • ​Easy to apply and can be used in spots
  • Destroys more than 200 types of weeds including crabgrass
  • Rainproof for an hour
  • Affordable


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    ​You need to apply it multiple times for desired results
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    ​Confusing directions

This liquid lawn weed killer concentrate works great on flowerbeds. If you live in an area with heavy rains, you should rest assured that you will win the battle against weeds because this constitute is rainproof for one hour. It is made using biodegradable ingredients and it will not pollute the environment. 

The only downside is that it has confusing instructions, but if you are able to decipher them, you can arm yourself with a deadly weapon against weeds. 

The last product on our search for the best weed killer for lawns for personal or commercial use is PBI/Gordon's Speed Zone Weed Killer. It is easy on your wallet and can help you get rid of pesky weeds efficiently. Once you buy the formula, you can spray it on your lawn and expect to see incredible results within a few days.

This weed killer is effective in killing most weeds and is safe for the environment. Since it destroys roots, your garden or lawn will be clear of weeds after a while. Good for spraying on any size of land.


  • ​It acts fast, you will notice results hours after applying it
  • ​Great coverage of between 14,000 and 18,000 sq. ft.
  • ​Does not require mixing
  • Safe for people and environment


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    ​There is no satisfaction assurance


Southern Ag Crossbow Specialty Herbicide 2 4 D & Triclopyr Weed & Brush Killer takes the trophy in this category. This is because it meets the threshold for a good weed killer spray for lawns because of the size it can cover effectively, its low price, the effective ingredients used to make it, and its safe nature. It is undeniably a good candidate for the best weed killer for lawns of 2018.

Many people who have used it praise it for its efficiency and reliability, describing it as being extremely easy to use because. Most sprinklers sold on the market can be used with this product and it is perfect for use by both homeowners and large-scale farmers. Moreover, it acts very fast and can solve your problem overnight, which is every homeowner’s dream.

The best weed killer for lawns on our list is perfect for parks, lawns and areas with no crops. Once you use it, you will not struggle with weeds for a long time. These are the reasons why this herbicide is the best in the market at the moment when it comes to dealing with weeds in a lawn.