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Top 10 Best Organic Weed Killers (Effective)

Weeds are a pesky plant that nobody likes to look at. Not only are they a useless intruder to your lawn or garden, they can quickly take over a previously well groomed.

Organic weed killers can help kill weeds while helping your lawn grow safely. They are also safe alternatives for those who will have kids playing in the yard.


Today, I am going to review the top 10 organic weed killers to choose for your lawn or garden.

Top 10 Best Organic Killers

PRODUCT TITLE DETAILS
Compare N save

Editor´s choise

Compare-N-Save Concentrate Grass And Weed Killer

  • Mixes Easily With Water
  • Kills To The Root
  • No Residual Activity
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green gobbler 20% vinegar

Green Gobbler 20% Vinegar Weed & Grass Killer

  • Works Fast
  • Safe For Use Just About Anywhere
  • 30 Day Money Back Guarantee
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ortho groundClear

Ortho GroundClear Weed & Grass Killer

  • Easy To Use
  • Works Very Quickly
  • OMRI Listed
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doctor kirchner natural

Doctor Kirchner Natural Weed & Grass Killer

  • Pet And Kid Safe
  • No Glyphosate
  • No Hormone Disrupting Chemicals
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Organic matters natural

Organic Matters Natural Weed Killer Spray

  • Natural Ingredients
  • No Glyphosate
  • Sprays & Drys Quickly
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harris 30% vinegar

Harris 30% Vinegar Weed Killer

  • 30% Industrial Strength
  • Sprayer Included
  • Natural Ingredients
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espoma organic weed preventer

Espoma Organic Weed Preventer

  • Natural Ingredients
  • Helps To Feed Lawn
  • Child/Pet Friendly
View on Amazon
BioSafe weed control concentrate

BioSafe Weed Control Concentrate

  • 2 Hour Kill Time
  • Does Not Migrate Through Soil
  • Gardens Can Be Reseeded After 4 Days
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natural armor

Natural Armor Weed And Grass Killer

  • No Glyphosate
  • Easy To Use
  • Can Use Just About Anywhere
View on Amazon
natria grass and weed killer

Natria Grass And Weed Killer

  • Non-Synthetic
  • Can Be Used Any Time Of The Year
  • Fast Kill Time
View on Amazon

Table of Contents

  • 1 Compare-N-Save Concentrate Grass And Weed Killer – The Customer Favorite
  • 2 Green Gobbler 20% Vinegar Weed & Grass Killer – Most Popular All In One Kit
  • 3 Ortho GroundClear Weed & Grass Killer – Best For Residential Use
  • 4 Doctor Kirchner Natural Weed & Grass Killer – Lesser Known Brand With Industry Leading Results
  • 5 Organic Matters Natural Weed Killer Spray – Great For Spot Treating Smaller Areas
  • 6 Harris 30% Vinegar Weed Killer – Multi-Use Weed Killer
  • 7 Espoma Organic Weed Preventer – Safe For Full Lawn Treatment
  • 8 BioSafe Weed Control Concentrate – Perfect For Organic Gardening
  • 9 Natural Armor Weed And Grass Killer – Small And Large Job Solution
  • 10 Natria Grass And Weed Killer – Great For Small Jobs & Household Use
  • 11 Buying Guide & Frequently Asked Questions
  • 12 Conclusion

Compare-N-Save Concentrate Grass And Weed Killer – The Customer Favorite

As one of the top rated organic weed killers on the market, Compare-N-Save has skyrocketed to the top of the charts with their concentrate grass and weed killer.

This weed killer has been proven to be effective in clearing out both small and larger areas of unwanted weeds and grass. It’s main ingredient, glyphosate, is organic and has been deemed safe by the EPA for use on crops.

organic ingrediends for compare n save weed killer

This concentrate mixes easily with water and is best applied on a sunny day with temperatures over 60°F with no rainfall forecasted for 24 hours.

However, this weed killer will kill all green plants so you will want to use it only on areas where you do not want grass to grow.

This can include driveways, along fences, around flower beds, and around fruit or vegetable gardens.

One gallon can cover up to 25,000 square feet and make up to 85 gallons of ready to use spray. Since Glyphosate is a post-emergent herbicide, it will not prevent new or future growth. Treated areas are able to be replanted in as little as 24 hours in ornamental areas.

This product not only kills at the surface, it kills to the root to completely abolish weeds.

VERDICT
Compare N save
Compare-N-Save Concentrate Grass And Weed Killer
This product is going to be a great solution for those who are wanting to completely get rid of any grass of weeds in a specific area. This is not going to be something you want to use to spot remove any weeds as it will kill anything green. If you are not on a time crunch and can wait the 2-4 day turnaround time, this weed killer is going to be one of the best that you can buy.

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PROs

  • Mixes Easily With Water
  • Kills To The Root
  • No Residual Activity
  • Single Application
  • Rainproof In 2 Hours

Cons

  • Sold As Concentrate, Must Be Diluted
  • Will Require Spray Bottle
  • 2-4 Days For Results

Green Gobbler 20% Vinegar Weed & Grass Killer – Most Popular All In One Kit

Switching gears to a more natural product, the Green Gobbler 20% vinegar weed killer is a customer favorite when it comes to organic weed killers.

This specific Green Gobbler product is just one of the many blends that they offer for effectively killing weeds with organic products.

ad for green gobbler product

They also offer a 40% vinegar blend if that is something that may be a better fit for you.

Made straight from ethanol distilled from corn grain, this product is mixed with vinegar to provide a non-toxic, certified organic product that is safe to use anywhere.

It is perfect for agricultural, commercial, and even residential use. This weed killer will kill grass as well, so using it in areas where grass is still needed is not recommended.

It is free of any potentially cancer-causing chemicals, free of glyphosate, and is four times stronger than traditional vinegar.

This Green Gobbler works very fast, killing weeds in just hours with full desiccation in less than 24 hours. You can use this product on crabgrass, dandelions, clover weeds, white clover, moss, and other weeds.

VERDICT
green gobbler 20% vinegar
Green Gobbler 20% Vinegar Weed & Grass Killer
For those looking for a natural and organic weed killer that will be safe for pets, this green gobbler product is a clear winner. Trusted by thousands of satisfied users, it is easy to see that this weed killer is popular in the organic sector. It’s ability to quickly kill weeds makes it perfect for anyone wanting to get rid of weeds fast. The only drawback is that you will need to be careful when using it around grass you do not want to kill.

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PROs

  • Works Fast
  • Safe For Use Just About Anywhere
  • 30 Day Money Back Guarantee
  • Pre-Mixed
  • Natural & Organic

Cons

  • Will Kill Anything Green
  • Some Reports Of Longevity Issues

Ortho GroundClear Weed & Grass Killer – Best For Residential Use

As one of the most well known brands in the weed killing industry, Ortho has made my list with their GroundClear weed and grass killer.

This product is one of the easiest to use as it comes pre-mixed and has a collapsible sprayer attached to the bottle.

ortho groundClear grass and weed killer

It is also one of the quickest acting weed killers, killing weeds in as little as 15 minutes. It also becomes rainproof in 2 hours, so application is best performed on a warm sunny day.

Re-apply every 2-3 weeks as needed for stubborn weeds.

This specific Ortho product is OMRI listed and is pet safe, so you will not have to worry about using this product around your home.

It is made to use on various surfaces including landscape beds, hardscapes, and around vegetable gardens.

VERDICT
ortho groundClear
Ortho GroundClear Weed & Grass Killer
The Ortho GroundClear is one of my favorite organic weed killers as it is easy to use, works very quickly, and has everything I need to use it attached to the bottle. As a household name, Ortho has made it super easy to rid your yard of weeds with this all in one solution. No mixing, no searching for spray bottles, and no waiting for days for your weeds to be gone. I would suggest this product to anyone looking for a quick and easy weed solution.

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PROs

  • Easy To Use
  • Works Very Quickly
  • OMRI Listed
  • Kills All Types Of Weeds & Grass
  • Rainproof in 2 Hours

Cons

  • May Need To Reapply in 2 Weeks

Doctor Kirchner Natural Weed & Grass Killer – Lesser Known Brand With Industry Leading Results

Switching gears to a lesser known brand, Doctor Kirchner’s Natural Weed & Grass Killer is a great organic weed killer that is both pet safe and kid safe.

This product is made without glyphosate, no hormone-altering chemicals, and no toxic chemicals. This allows you to kill weeds effectively while keeping children and pets safe.

Looking at the ingredients of this week killer, you will see that it is a natural weed killer made from ocean salt water, commercial strength food grade vinegar, and soap.

doctor kirchner natural weed killer

Doctor Kirchner’s Weed Killer comes pre-mixed so there is no need to dilute it with water. You will need to provide your own spray bottle or spray pump.

This allows you to use whatever type of applicator you need for your specific application. This weed killer works fairly quickly, killing weeds in as quick as 12-24 hours. It is perfect for keeping weeds at bay from your garden, and other areas of your home.

VERDICT
doctor kirchner natural
Doctor Kirchner Natural Weed & Grass Killer
As a brand that I have not heard of, it seems like this weed and grass killer is a great customer favorite when it comes to organic products. Being a natural product, easy to use, and requiring no mixing makes it even more attractive. While it is a little disappointing having to provide your own sprayer, the fact that this product is made with natural ingredients and works in less than 24 hours makes it one that I would recommend.

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PROs

  • Pet And Kid Safe
  • No Glyphosate
  • No Hormone Disrupting Chemicals
  • Pre-Mixed
  • 12-24 Hour Kill Time

Cons

  • Will Need To Provide Your Own Sprayer

Organic Matters Natural Weed Killer Spray – Great For Spot Treating Smaller Areas

This wee killer is going to be certified organic, contain no glyphosate, and be ready to spray and go straight out of the bottle.

This concentrated formula can help to kill over 250 different weeds including crabgrass, dandelions, and many others.

You can confidently use this weed killer around your home without having a negative effect on the environment, pets or kids who may play in your yard.

natural-weed-killer

The included heavy duty sprayer helps you to spray this weed killer in the tightest of places to spot kill pesky weeds around your home. This formula is made to dry quicker than most allowing it to settle in and keep it from getting washed away by rainfall.

You can use this product just about anywhere including around shrubs, trees, and anywhere else you would not want weeds to be.

VERDICT
Organic matters natural
Organic Matters Natural Weed Killer Spray
The Organic Matters natural weed killer is a great alternative for traditional chemical-filled products. I would feel very confident using this for just about any application and since it it pet and kid friendly, that is a huge plus in my books. I do wish that it came with a sprayer attachment or separate sprayer, but overall, it is a very nice weed killer with no negative effects on the environment.

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PROs

  • Natural Ingredients
  • No Glyphosate
  • Sprays & Drys Quickly
  • Use Anywhere
  • 30 Day Money Back Guarantee

Cons

  • Will Need Your Own Sprayer

Harris 30% Vinegar Weed Killer – Multi-Use Weed Killer

Coming up on our most versatile product on the list, Harris’ 30% vinegar is not only a weed killer, but it can clean many of your household items as.

This product is an all natural, no chemicals added spray that can eliminate weeds within hours. Vinegar has been a go to for those looking for a cheap weed killer.

This a formula that is 6x more powerful than your standard household vinegar. If this mixture is too strong, you can dilute it with 2 parts water.

harris vinegar

Harris to include a spray hose attachment with their gallon bottle so that you can easily spot treat stubborn weeds.

It is made from corn, like many natural weed killers and is fermented to create the vinegar. No dyes or chemicals are added to this product to ensure that it is safe for both pets and kids.

Other uses of Harris 30% vinegar include cleaning household tile, windows, clothes, and bathtubs. Each application will require different dilution ratios, so be sure to check the instructions for your specific application.

VERDICT
harris 30% vinegar
Harris 30% Vinegar Weed Killer
This is one of the most versatile products on this list as it not only kills weeds and grass, but it can help clean clothes, windows, and other household items. If I was going to purchase a weed killer and wanted it to have multiple uses, the Harris 30% vinegar would be my choice.

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PROs

  • 30% Industrial Strength
  • Sprayer Included
  • Natural Ingredients
  • Countless Uses
  • 6x More Powerful Than Standard Vinegar

Cons

  • None

Espoma Organic Weed Preventer – Safe For Full Lawn Treatment

For those who are wanting to treat a full lawn to get rid of weeds and help your green grass grow, a single weed killer spray bottle is not the way to go.

Not only would it take too long, but bottled weed killers usually kill anything green which could destroy a luscious lawn. The better way to treat a large lawn is by using a granulated weed killer that will help feed your lawn and help the good grass grow.

espoma organic

That is exactly what Espoma organic weed preventer is designed to do. This granulated formula can be spread with your everyday fertilizer spreader across your whole lawn without worrying about damage.

Designed to prevent weeds and feed your lawn, Espoma’s organic weed preventer helps to kill weeds while allowing your grass to feed and grow to its fullest potential.

It is made from corn gluten meal and is safe for both pets and children. It is best to apply this solution twice a year, early spring and in the fall.

VERDICT
espoma organic weed preventer
Espoma Organic Weed Preventer
As the only granulated product on this list, you are going to make sure you have a spreader to apply this to your lawn. This is one of the only lawn food and weed preventers on the list as well, making it much easier to treat larger areas instead of spot treating. This is why I would recommend this to anyone who is treating a lawn and is worried about other weed killers destroying their green grass.

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PROs

  • Natural Ingredients
  • Helps To Feed Lawn
  • Child/Pet Friendly
  • Granulated For Easy Application

Cons

  • Will Need A Fertilizer Spreader For Best Application

BioSafe Weed Control Concentrate – Perfect For Organic Gardening

When it comes to weed control, harmful chemicals can be found in many different weed killers that can infect your food or plants.

This organic weed killer concentrate works fast, killing weeds and grasses within two hours of application.

You can apply this weed killer confidently as it will not migrate through soil and harm surrounding plants of future growth. This makes it easy to spot treat trouble areas around your home. You can even reseed or replant after 4 days.

BioSafe weed control

Approved by the EPA and the OMRI, this weed and grass killer is organic certified. What this means is that you can use this product without having a negative impact on the environment.

It also means that it is safe for pets and children which is a huge plus for those trying to treat an active yard. The concentrate is non-volatile and is a water-soluble herbicide which makes it safe for just about any use.

You will have to provide your own spray bottle or nozzle as this product is sold in a gallon jug.

VERDICT
BioSafe weed control concentrate
BioSafe Weed Control Concentrate
This BioSafe Systems weed control concentrate is going to be a great product for those wanting to get rid of weeds in areas that they will want to replant. With a four day turnaround on reseeding or replanting, you can easily kill weeds and have a freshly seeded garden in less than a week. With an EPA approval and being OMRI listed, this is going to be one of the safest weed killers on the market.

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PROs

  • 2 Hour Kill Time
  • Does Not Migrate Through Soil
  • Gardens Can Be Reseeded After 4 Days
  • OMRI & EPA Approved

Cons

  • Will Need Your Own Sprayer

Natural Armor Weed And Grass Killer – Small And Large Job Solution

If you are needing a weed and grass killer for smaller jobs like spot treating a sidewalk or keeping weeds at bay from a small flowerbed, you will have no need for a gallon of weed killer concentrate.

For these situations, a small,easy to use spray bottle will work much better. That is exactly what you will get with this Natural Armor weed and grass killer.

Natural Armor’s weed and grass killer contains no glyphosate and is a natural, concentrated formula. It kills over 250 types of weeks and can be used just about anywhere around your home.

armor weed and grass killer

It works very quickly with most weeds being killed within hours of application.

Natural Armor is a family owned company whose priority is taking care of their customers and the environment.

Every product manufactured by Natural Armor is all-natural and safe for the environment without sacrificing quality or effectiveness.

VERDICT
natural armor
Natural Armor Weed And Grass Killer
This Natural Armor weed and grass killer is a very easy to use product which makes it perfect for just about anyone. I would recommend it for anyone who is looking to spot treated weeds and grass around pools, fence lines, and walkways. Since it comes in a 16oz bottle, this is not something you would want to use for treating larger areas of weeds.

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PROs

  • No Glyphosate
  • Easy To Use
  • Can Use Just About Anywhere
  • See Results In Hours

Cons

  • Reports Of Odd Smell

Natria Grass And Weed Killer – Great For Small Jobs & Household Use

Last but not least I have Natria Grass and Weed Killer, a fast acting, non-synthetic weed killer. It is designed to be a perfect solution for smaller jobs such as sidewalks, driveways, flower beds, etc.

It will come in a small spray bottle that will be easy to use around the house. It can be applied anytime of the year and works fast, killing weeds in as little as 20 minutes.

Matria weed killer

Since this product is ready to use, no mixing is required which is ideal for the average consumer.

With its non-synthetic composition, you can use this product for organic gardening to keep your food and plants chemical free. It is also child and pet safe, making it great for those who have families who frequent the treated areas.

The spray nozzle allows you to spot treat smaller areas while still being able to spread further back for larger areas.

VERDICT
natria grass and weed killer
Natria Grass And Weed Killer
When a weed killer comes in an easy to use bottle, it already has a leg up on the competition. This Natria weed and grass killer is a perfect example of a user friendly, all natural weed killer that can be used on just about anything. Since you can see results in as little as 20 minutes, this product is perfect for those needing weeds gone quickly. I would recommend this weed killer to the eco-conscious everyday consumer who does not want to have to mix, dilute, or use a different sprayer.

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PROs

  • Non-Synthetic
  • Can Be Used Any Time Of The Year
  • Fast Kill Time
  • Easy To Use

Cons

  • None

Buying Guide & Frequently Asked Questions

What Is Organic Weed Killer?

Organic weed killer is a product that allows you to effectively kill weeds without the use of harsh chemicals that can harm vegetation and pets.

These weed killers are made from more natural ingredients that have been tested and proven to be safe for use in sensitive areas. These products are great for those who are trying to kill weeds without damaging lawns and have young kids or pets who frequent the yard.

When looking for organic weed killers, you are going to want to make sure that they have been approved as organic.

This can include EPA and OMRI approvals that show that they have no negative impact on the environment. When in doubt, contact the company and ask if their product is organic.

What Weed Killer Is Best For My Lawn?

Finding the best weed killer for your specific lawn is going to depend on the type of grass you have and if kids or pets play on your lawn. You will want to first figure out what type of grass you have and see what weed killer is recommended for your type of grass.

If you have pets or kids who frequent the lawn, you will want to make sure that you use an organic weed killer to keep harmful chemicals out of your lawn.

You will also want to check to see if the weed killer is more of a spot treatment or full lawn treatment. Most spray weed killers are going to kill anything green, so you will need to make sure to only spray the weeds and grass you want to kill.

Is Organic Weed Killer Safe For Pets?

Most organic weed killers are going to be safe for pets. The reason that organic weed killers were made was to ensure that they were safer than their non-organic competitors.

The use of non-toxic chemicals makes these organic weed killers safe for use around pets. When in doubt, always check the bag for a disclaimer that the weed killer is in fact safe for pets.

Resources

Vinegar – An Alternative To Glyphosate? – Central Maryland Research and Education Center

Organic Herbicides – Do They Work? – UC Nursery and Floriculture Alliance

EFFICACY OF ORGANIC WEED CONTROL METHODS – United States Department Of Agriculture

Conclusion

Now that I have shown you the top 10 organic weed killers of 2020, you should have no problem finding the perfect option for your lawn.

I hope that this guide helps you get a better understanding of what organic weed killers are and how they can help you get a better looking lawn without the use of harsh chemicals!

Have you used organic weed killers before? Which brand did you use and did it work out great for you?

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