Top 10 Best Weed Killers in 2020

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When your grass is getting taken over by weeds, you need weed killer. But, you need to find the right product to ensure the weeds get killed and not the rest of your lawn.

Discover your top choices with this list of the top 10 best weed killers in 2020.

Choosing the Right Weed Killer for Your Lawn

Weed killers are herbicides. This means that they are designed to kill plant life. This typically covers a variety of common weeds and grasses that you don’t want in your yard.

Some are designed to kill weeds before they grow, by killing the seeds, while others attack weeds that have already sprouted. There are plenty of details to consider, including:

  • The type of weed killer
  • The application and use
  • The size of your yard

There are multiple types of weed killers available. This includes emergent weed killers, which target seedlings. Selective weed killers target common weeds that are already growing. Persistent weed killers continue to kill plant life after application. Translocated herbicides target the internal system of the plant.

You also need to consider the application and use of the weed killer. For example, there are “weed and grass” killers. These herbicides target everything. This is typically used along sidewalks or patios – areas where you don’t want any plant growth.

Another consideration is the size of your yard. You want to make sure that the product will cover your yard with multiple applications.

Luckily, it’s easy to determine the details of each product. They will list the types of weeds or grasses that the herbicide will kill, typical application and use, and the square footage or yardage covered.

Best Weed Killers in 2020

Consider these details as you check out the top 10 best weed killers in 2020.

Last update on 2020-06-04 / Affiliate links / Price / Images from Amazon Product Advertising API

10. Avenger Organic Weed Killer Biodegradable Nontoxic Concentrate

First up is a weed killer made with non-toxic materials. Here is what you need to know about this weed killer:

  • Non-selective, post-emergent weed killer
  • Targets plants internal system – killing from the leaves down to the roots
  • Capable of killing small or large weeds
  • Approved for use in organic gardening

This is an effective weed killer for targeting most types of weeds and it shouldn’t harm your grass. It can also be adjusted to target smaller or larger weeds. For smaller weeds, you simply mix at a greater ratio of weed killer to water.

Quite a few people have mentioned that this weed killer isn’t entirely effective. In fact, some people claim that it didn’t work at all. But, it is affordable. So, if you choose this weed killer, you might want to use a smaller ratio of weed killer to water. Also, it may take a while to start working. Some weed killers will provide results within hours, while this weed killer could take days to begin killing weeds. The bottom line is that results will vary with this weed killer and you might need to adjust the concentration of chemicals.

9. Bayer Advanced 704080 All-in-One Lawn Weed and Crabgrass Killer

Here is another option for killing weeds in your yard. You can expect the following advantages and features:

  • 32-ounce bottle
  • Ready to spray
  • Not a pre-emptive killer
  • Selective
  • Kills over 200 of the most common broad-leaf weeds
  • Suitable for use on your yard – won’t kill your grass

This weed killer comes ready to spray. You simply attach it to your garden hose and adjust the control knob. It’s one of the easiest weed killers to apply, which makes it great for typical homeowners. It won’t kill your grass and should kill most weeds.

There are no disadvantages. Though, this might not offer enough coverage for big yards. If you have a large area, there are other options. Or, you could purchase multiple bottles. As a side note, this weed killer is easy to apply, but you might need to go over the targeted area twice.

8. Voluntary Purchasing Group Fertilome 33692 Killzall Weed and Grass Killer

This next weed killer is designed to kill everything – weeds and grasses. It’s easy to use and affordable. You should also look at these features and benefits:

  • Dries fast
  • 41% glyphosate
  • Suitable for driveways, walkways, and patios
  • Covers about 6000 square feet
  • Non-selective

This is a weed and grass killer that comes in a 32-ounce bottle. You should be able to cover over 6000 square feet after diluting the weed killer. This isn’t meant for yard use. It will kill both grass and weeds.

It should be noted that this is a concentrate. You’ll need to mix with water before applying. And, you’ll need a tank sprayer. This is a decent option, but it is made overseas and it’s hard to find much information about the company. If you prefer to purchase from a trusted brand, you might want to consider one of the other weed killers on this list.

7. Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate

The following weed killer is the cheapest option for killing weeds and crabgrass. Though, it might not kill all weeds. Here are the product details:

  • Designed to kill over 250 types of weeds
  • You should see results within 8 hours
  • Incredibly affordable
  • Comes ready to spray
  • Selective

Why should you consider using this weed killer? First, it’s designed to kill weeds and not your grass. And, it should be able to kill crabgrass. It also comes ready to spray. You don’t need to mix a concentrate with water before applying this to your yard. You should start seeing results within 8 hours.

Before purchasing this weed killer, there are some disadvantages to consider. It isn’t always the most effective option. It might not take care of all your weeds. Results can vary. At the same time, it’s incredibly cheap, so you don’t really have anything to lose.

6. Ortho Weed B Gon Weed Killer RTU Wand 1-Gallon

Next is a weed killer that shouldn’t harm your lawn. Learn more about this weed killer:

  • Kills over 250 common weeds
  • You can start seeing results within hours
  • Kills weeds to the roots
  • Won’t kill your grass
  • Rainproof in just 1 hour

This weed killer should kill most common weeds. The label lists over 250 weeds, including dandelions, clover, and broad-leaf weeds. Also, it shouldn’t kill your grass. This makes it suitable for use in yards, golf courses, and other grassy areas. The manufacturers even have a guarantee, if you follow directions. For a simple application, the bottle comes with an application wand.

Some customers have mentioned that this didn’t kill clover or specific weeds. Though, this could be due to user error, as plenty of others have had no problems. The main advantage of this weed killer is the price. It’s affordable, even if it might not be the most effective.

5. Bonide Burn Out Weed and Grass Concentrate Killer

Here is a killer that is suitable for use earlier in the year. It works at temperatures as low as 40 degrees Fahrenheit. Check out the rest of the features, advantages, and drawbacks:

  • Rainproof after it dries
  • 1-gallon concentrate
  • Intended for a tank sprayer
  • Kills all types of weeds and grasses
  • Uses natural ingredients
  • Can help drive mice away

A side benefit of using this weed and grass killer is that it will naturally drive mice and other critters away. So, you can apply it near sheds or patios to get rid of vermin while also killing weeds and grass.

There are no major drawbacks. This product works as advertised. Though, some people feel that it’s not as effective as it should be. Make sure that you follow the directions for diluting the concentrate in your tank sprayer before application. This will help ensure the effectiveness of the weed killer.

4. Preen Garden Weed Preventer – 5.625 lbs. Covers 900 sq. ft.

This next option is intended to stop weeds before they start. It is a pre-emptive weed kill and safe for use on shrubs, trees, flowers, and vegetables. And, you should explore the rest of the product details:

  • Not for use on lawns
  • Does not kill existing weeds
  • Safe for use on most flowers
  • Works up to 3 months before weeds start growing

This weed killer helps you prepare for weed season. You can spray this in early spring to stop the weeds before they start growing in your flower beds or gardens. It’s easy to apply. You don’t have to mix with water. You simply sprinkle the granules over the targeted areas. It will work for up to 3 months.

There are some disadvantages. First, you can’t use this on lawns, as it could kill your grass. But, it is safe for most landscaping. This makes it the perfect solution for keeping your landscaping or gardens free of weeds throughout the season. Rain will not wash away the product. It will keep on working.

3. Roundup Weed and Grass Killer Concentrate Plus

Roundup is a popular weed and grass killer. This is a concentrate, which will require mixing with water. It’s meant for use in a tank sprayer. Here is a closer look at the main advantages and details:

  • Kills weeds and grasses to the root
  • Perfect for spot spraying around landscaping
  • Rainproof in just 30 minutes
  • Should start working in less than a day

Roundup is popular for a good reason. It’s quick and effective. You can apply it just 30 minutes before it rains, without worrying about diluting the chemicals. You can use this to spot spray around your yard. But, it will kill your grass, so it’s not meant to be sprayed on your yard.

There are no drawbacks. This 16-ounce container will make 5 gallons. And, it works within 12 hours and dries quickly. You should be ready for people and pets to enter the treated areas within 30 minutes or less.

2. Southern Ag 2,4-D Amine Weed Killer

If you need a selective weed killer, this next option could be the right choice. It’s designed for use on grasses to help control broad-leaved weeds. In addition to these details, explore the rest of the features:

  • Covers 1000 square feet
  • Works with a hose and sprayer
  • Selective weed killer
  • It won’t kill your grass

This is an excellent product. It’s perfect for use on Bermuda and St. Augustine grasses, while it effectively kills all the broad-leaf weeds in the area. But, you need to keep in mind that this is industrial weed killer. You’ll need to wear proper clothing and clothes to protect your skin. Also, read the full details of the instructions before applying.

There is one potential issue. You need to be careful to avoid spraying this near vegetables or fruits. It will likely kill them. The bottom line is that this weed killer does exactly what it is supposed to. It kills weeds and doesn’t kill your grass. You just need to be cautious with your application.

1. Compare-N-Save Concentrate Grass and Weed Killer

At the top of the list is this concentrate “grass and weed” killer. It’s the best-selling herbicide. Though, this is a grass and weed killer, meaning that it will kill everything. Other features include:

  • 41% glyphosate
  • Ready for rain in 2 hours
  • You should notice results in just a few days
  • 1-gallon container covers 25,000 square feet
  • Kills to the root
  • Easily mixes with water

This weed killer starts working quickly. And, you don’t have to worry about waiting for a sunny day. The chemicals should be absorbed within an hour or two. You can use this along paths, walkways, and other areas where you need to kill all plant life. You could even use it to spot spray around your landscaping. Another benefit is the coverage. You can apply this to about 25,000 square feet.

There are no specific disadvantages. Though, this killer won’t work on seedlings. It’s not a pre-emergent herbicide. But, it’s very effective for targeting plants that are already growing. The bottom line is that this is the best weed killer for killing everything in sight.

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