17 Homemade Organic Weed Killer Tips & Recipes for Natural Weed... (2022)

Pesky weeds are like those uninvited guests that refuse to leave. Keeping weed plants at bay is a struggle, especially if you are trying to do things naturally without causing harm to the environment. While it may take some more work on your part, you can use organic weed killer and techniques for getting rid of weeds in your yard.

Chemical weed killers contain toxins that may be harmful to anything they come into contact with, and this includes humans, insects, and animals. Growing weed-free grass, flowers, and vegetable gardens without using a harmful active ingredient such as glyphosate found in Roundup, is not only possible but quite simple.

Organic gardening is a challenge but well worth the effort when you consider the beneficial outcome. There are a variety of organic herbicides available to you, and many of them you can make yourself. You can also control weeds in the yard by using proper lawn care to ensure its vitality.

17 Homemade Organic Weed Killer Tips & Recipes for Natural Weed... (1)



Table Of Contents

  1. DIY Organic Weed Killer Solutions
    • Pre-Emergent Versus Post-Emergent Organic Weed Control
    • Using Organic Pre-Emergent Weed Control
    • Use Landscaping Fabric as a Weed Preventer
    • Prevent Weeds with Mulch
    • Maintaining a Healthy Lawn to Prevent Weeds
    • Use a Garden Edging to Keep Weeds Out
    • Creating a Crowd to Push Out Weeds
    • Keeping a Lawn Full to Prevent Weeds
    • Making a Salty Organic Weed Killer Recipe
    • Killing Weeds with Acetic Acid
    • Killing Weeds with Boiling Water
    • Make a Lemon Juice Weed Killer Spray
    • How to Kill Weeds with Alcohol
    • Eliminate Weeds by Smothering Them
    • Use the Power of the Sun to Kill Weeds
    • Remove Weeds by Hand
    • How to Flame Weed

DIY Organic Weed Killer Solutions

Organic weed control may seem a bit daunting at first, but it’s pretty straightforward when you come down to it. We’ll show you how to create a healthy lawn environment to prevent weeds, what ingredients to use to kill weed plants, and how to apply them.

Pre-Emergent Versus Post-Emergent Organic Weed Control

There are two different types of organic weed control, pre-emergent and post-emergent. To effectively eliminate and control weeds in the yard, you must understand how these two varieties work and whether you should use one or both methods.

Pre-Emergent Versus Post-Emergent Herbicides

A pre-emergent herbicide prevents the germination of weed seeds by inhibiting a key enzyme. Generally, the herbicide is spread in the weedy area in the spring and fall to stop specific weed types from germinating. However, a pre-emergent herbicide does not work on all weeds.

Post-emergent herbicides are spread or sprayed onto weeds after they have germinated. These specialized herbicides kill on contact and are most effective when applied in the middle of the growing season.

Using Organic Pre-Emergent Weed Control

In early spring, before any weeds have had a chance to germinate, spread an organic pre-emergent herbicide throughout the lawn to prevent weeds from having a chance to sprout. Corn gluten meal is not only a natural weed killer for lawns, but helps to nourish the grass, as well.


Organic Pre-Emergent Herbicide

  • Corn gluten meal
  • Spreader
  • Garden hose


Make sure that you will not be expecting any rain for a couple of days after treatment. Pour corn gluten meal into a lawn spreader and spread it across the yard at 20 pounds per 1,000 square feet. Use a garden hose to water the lawn until it receives a one-quarter inch of water.

Use Landscaping Fabric as a Weed Preventer

For preventing weeds in a garden bed, use landscaping fabric as a weed barrier tool to stop weeds from spreading into the garden.


Landscape Fabric Natural Weed Killer

  • Landscaping fabric
  • Landscaping staples
  • Hammer
  • Garden hoe
  • Rake


Use a garden hoe to break up and loosen any existing weeds and grass. Remove all parts of the plants and discard them. Level the dirt with a rake and remove any sticks, rocks, or sharp objects from the soil.

Roll out sheets of landscape fabric in the area to be covered, making sure to overlap sheets by no less than three inches if using more than one. Hammer landscape staples along the edges of the fabric at ten-foot intervals.

This weed control solution is great to kill chickweed, clover, nutsedge, and almost any other kind of weed that has taken over a specific area of your yard.

Prevent Weeds with Mulch

Mulch is not only used to control weeds but is visually appealing in the garden and as edging around your home. Place this natural alternative to herbicides over landscaping fabric or use it on its own.

Mulch Weed Control

For a nutsedge grass killer, to get rid of a patch of clover, or to take care of any other type of weeds, lay three inches of bark mulch around the desirable plants in the garden, around shrubs and bushes, and along the edging of your home.

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Make sure that the layer of mulch is consistent to prevent any weeds from taking root in areas where mulch is less than three inches thick. Natural mulch breaks down over time, so check the mulched areas yearly and add more as needed.

Maintaining a Healthy Lawn to Prevent Weeds

A few weeds popping up occasionally in the lawn is pretty standard for just about every landscape, but grass overrun with weeds such as dandelions, chickweed, crabgrass, and other broadleaf weeds is a sign that your yard needs some assistance. A healthy lawn is also ideal for getting rid of moss in your yard.


Weed Prevention Lawn Maintenance

  • Lawnmower
  • Garden hose


It’s critical to your lawn that you do not cut the grass too short. While this may eliminate the need for frequent mowing, it is unhealthy for the grass. When grass is too short, it becomes vulnerable to the sun and heat.

Weeds take this opportunity to jump in and take over. When mowing the lawn, do not cut more than one-third of the grass blades. The lawn should receive its watering needs from rain, but this is not always possible.

When watering your yard, make sure that you water in the early morning to give the grass time to dry before the evening hours. Water the lawn with a garden hose or sprinkler until it receives half an inch of water.

Use a Garden Edging to Keep Weeds Out

If you have a vegetable garden or flower bed alongside areas of grass or weeds, use garden edging to prevent any undesirable plants from sneaking into the gardens.


Garden Edging

  • Landscape edging
  • Garden hoe
  • Garden gloves


Use a garden hoe to define the edges of your garden bed by slicing it down through the dirt. Pull up and remove any weeds or grass and discard.

Slide the edging along the perimeter of the garden to separate the two areas. Fill in any gaps along the way with dirt and pack into place.

Creating a Crowd to Push Out Weeds

Once you have a full and healthy lawn that is weed-free, you may discover that other isolated areas of the yard have become infested with unwanted plants. Creating a crowd of healthy, desirable plants and shrubs in those areas will push the weeds out.


Creating a Plant Crowd

  • Perennial plants
  • Garden hoe


To get rid of weeds naturally, begin by removing the existing weeds from the area by using a garden hoe. Be sure you get all the roots. Fill the space with strong and sturdy growing plants that have a fast growth rate. Plants that have large, broad leaves are excellent choices when it comes to overcrowding and keeping weeds away.

Ask your local garden nursery expert which plants will work best for your area. The critical thing to remember when using this technique is to keep the garden bed healthy to push out future weeds and to maintain a beautiful garden.

Keeping a Lawn Full to Prevent Weeds

A bare lawn is almost begging for weed germination. To resolve weed infestation, make sure that your yard does not have thin and bare spots where the weed seeds can take root.


Lawn Overseeding

  • Grass seed
  • Garden hose
  • Seed spreader


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Begin by purchasing the proper grass seed for your lawn and area. For locations that have a warm climate year-round, plant Bermuda, centipede, or another type of warm-season grass. If you live in an environment where it gets cold during the fall and winter months, you need a cool-season seed, such as bluegrass or fescue.

Mow your grass shorter than usual, to about two inches, and then rake up the clippings to enable the grass seed to get to the soil. Follow the instructions for overseeding a lawn on the manufacturer’s label. After seeding, lightly water the grass twice daily for four days, followed by a heavy watering daily for the next five days.

Making a Salty Organic Weed Killer Recipe

Salt sucks the moisture out of plants by disrupting their internal water balance, depriving them of what they need to survive. Here is an organic weed killer recipe that contains salt.

Because salt can be very damaging to grass and other plants, this method is ideal for areas that are isolated, such as in driveway cracks and sidewalks.


Salt Weed and Grass Killer

  • Water
  • Table salt
  • Epsom salt
  • Rock salt
  • Watering can


Mix three parts water and one part salt in a watering can and pour the solution directly onto the weeds, being careful not to splash nearby plants. Water the weed plants with this solution daily until they are dead.

For extremely hardy weeds, wet the weedy area with a hose or watering can and then sprinkle any salt of your liking directly onto the plant. Make sure that you get as much salt to stick to the weed as possible.

You can also use salt as a tree root killer for sewer lines. Drill a dozen or more holes in the tops of your tree stumps, as deeply as possible. Pour salt into the holes.

For getting rid of tree roots and leftover stumps, add some vinegar to each hole and cover the stumps with plastic. It will take a while, but eventually, your stumps will dry out and die, making them easier to eliminate.

Killing Weeds with Acetic Acid

Does vinegar kill grass and other annoying weeds? You had better believe it does! Take advantage of vinegar’s killing power and make a homemade organic weed killer using ordinary vinegar and dish soap.

White vinegar is a form of acetic acid which dries out plants, eventually killing them. Adding some dish soap to the solution helps the vinegar to stick to the plant longer so that it is absorbed. This solution is similar to the Green Gobbler, an OMRI listed weed killer.

Vinegar is also ideal as the best way to kill a centipede, spider, or other creepy crawlie that invades your space. Keep a bottle on hand to spritz unwanted weeds and insects.


Acetic Acid Herbicide

  • 3 cups white vinegar
  • 1 teaspoon dish soap
  • Spray bottle


How to kill nutgrass and other weeds is to use this recipe on a non-breezy day while the sun is hot. Rain should not be anticipated within a few days for the best results. Fill a spray bottle or garden sprayer with the vinegar and then add soap, preferably an herbicidal soap such as Dawn dish soap.

Shake the bottle gently to mix without creating too many suds. Set the spray nozzle to stream and spray the solution directly onto the weed leaves and stem.

Avoid spraying any of the organic herbicide onto a desirable plant because the solution can kill them, as well. You should see visible results within one day. If not, repeat the process.

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As an added bonus, this weed killer is also a great way to get rid of centipedes, ants, and other buggy pests in the lawn and garden areas. Most insects steer clear of vinegar because of its caustic nature and unpleasant scent.

Killing Weeds with Boiling Water

Water means life or death for plants, and boiling water is a natural grass and weed killer that virtually costs you nothing but your time.


Boiled Water Weed Eliminator

  • Stockpot
  • Water
  • Watering can


Bring a stockpot of water to a boil and carefully pour the boiling water into a watering can. Immediately carry the can outside and pour the water directly onto the lawn weed, slowly and cautiously, to prevent splashing any on yourself or nearby foliage. Repeat daily until the weed plants are withered and dead.

Make a Lemon Juice Weed Killer Spray

Lemons are high in citric acid and contain d-limonene, which kills weeds when it is applied to them. It is similar to Avenger Weed Killer, which contains citrus oil, except that you can make it yourself using natural ingredients.


Lemon Organic Weed Killer

  • Lemon juice
  • Spray bottle


Pour lemon juice in a spray bottle and set the spray nozzle to stream. Spray the citric acid onto the leaves and stems of the weeds. Use caution while spraying near desirable plants because the lemon juice will kill them, too. The weed plants should die within a couple of days of treatment.

How to Kill Weeds with Alcohol

Alcohol dehydrates plants and is a great way to eliminate them organically. Adding a little dish soap to the solution helps the vodka stick to the plant surface longer and is more effective.


Vodka Weed Killing Spray

  • 1 ounce of vodka
  • 2 cups of water
  • Dish soap
  • Spray bottle


Combine the water and vodka in a spray bottle and add a squirt of dish soap. Label the container for safety purposes.

Spray the alcoholic water onto the weeds, making sure that you saturate the leaves and stems. Avoid spraying any of the solution on nearby plants or grass.

Eliminate Weeds by Smothering Them

Depriving weeds of the natural elements that they need to survive by smothering them is one of the most effective ways to eliminate them, but it does take a little more time than using an herbicide.


Weed Smothering

  • Garden shears
  • Garden hose
  • Newspaper
  • Cardboard
  • Mulch


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Use garden shears to cut the weeds down as close to the ground as you can. Cover the weedy area with sheets of old newspapers and cardboard and then use a hose to wet them down.

Cover with two inches of mulch, and that’s it. The newspapers and cardboard will eventually break down beneath the mulch as the weeds die.

Use the Power of the Sun to Kill Weeds

We all know that the sun can be both our friend or enemy, and the same is true for plants. Use the sun’s power to kill weeds for good. For aquatic weeds, use a duckweed killer.


Weed Solarization

  • Garden shears
  • Garden hose
  • Clear plastic tarps
  • Weights


Cut the weeds to the ground using garden shears. Use a garden hose to water the area until the soil is wet to about two feet.

Lay large, clear pieces of plastic over the tops of the weeds, making sure that you do not accidentally cover areas of the lawn or desirable plants. Place rocks, bricks, or another form of weight onto the outer edges of the plastic to hold it in place.

Remove Weeds by Hand

Sometimes the best way to remove weeds is to pull them straight out of the ground by hand. The trick to using hands as a weeder is making sure you do not leave any of the roots behind. Otherwise, you’ve only delayed the problem.


DIY Hand Weeding

  • Shovel
  • Garden hoe
  • Garden hose
  • Garden gloves
  • Garbage bags


Water the weed beforehand to loosen the soil and roots. Use a shovel to pierce the ground around the perimeter of the weed plant, making sure that you push down far enough to reach the bottom of the root system.

While wearing garden gloves, use your hands to push away the dirt from around the base of the weed. Grab hold of the area below the weed base and pull it out slowly and gently so that the root does not break.

Use a hoe to work the soil while looking for any leftover, broken roots. Place all parts of the weed into a garbage bag and dispose of them to prevent spreading.

How to Flame Weed

Flame weeding is fast-acting and is most effective if you can catch weed growth when it is below four inches. Anything larger may need to be flame treated more than once. We recommend using this technique in isolated areas of weed infestation.

Flaming Weeds

Follow the instructions on your particular weed torch brand and keep either a fire extinguisher or water source nearby for safety purposes. Make a low and quick pass with the torch over the weeds. You should be able to see the plants wilt as you move along.

Test its effectiveness by pressing your thumb to the weed leaf. If you can see a distinct thumbprint, then the mission has been accomplished. After a couple of days, the weed will be brown and dead.

Maintaining a beautiful lawn, vibrant flower bed, or bountiful vegetable garden doesn’t mean that you have to fill the yard with harmful chemicals. While weed control is a battle, it’s one that you can win using organic methods and ingredients.

Not only that but creating a healthy lawn and garden where weeds are not welcome by natural means is a win-win situation.

17 Homemade Organic Weed Killer Tips & Recipes for Natural Weed... (2)

It is personally satisfying when making an organic weed killer for eliminating unwanted plants from the lawn and garden, so why not share our natural weed control tips and recipes with your family and friends on Facebook and Pinterest?


What is the strongest homemade weed killer? ›

The most effective homemade option is a mixture of white vinegar, salt, and liquid dish soap. Each of these ingredients has special properties that combine to kill weeds. Both the salt and the vinegar contain acetic acid, which serves to dry out and kill the plants.

How do you make a small amount of weed killer? ›

Start by pouring 1/2 teaspoon dish soap in your spray bottle. I use Dawn, but any brand will work. Next, add 2 tablespoons table salt to the spray bottle. Finally, add 2 cups of vinegar to the spray bottle.

How does vinegar Epsom salt and Dawn kill weeds? ›

Vinegar alone will kill weeds, but it's more effective when combined with the soap and salt. The Epsom salts and the acetic acid in the vinegar dehydrates the plant by pulling out its moisture, while the dish soap breaks down the plant's outer coat (cuticle).

Do homemade weed killers really work? ›

Homemade solutions are not and cannot be formulated for selection. This means, when you spray a DIY weed killer made from vinegar and salt, it will certainly kill plants and grass. If you read our FAQs for our weed killer, we state to NOT use on the lawn. It will kill grass along with weeds.

What is the best permanent weed killer? ›

Top 5 Weed Killers
  • Best For Gravel: RM43 43% Glyphosate Plus Weed Preventer.
  • Most Customizable: Spectracide Weed & Grass Killer.
  • Best For Multiple Weed Types: Roundup All-in-One Weed Killer For Lawns.
  • Best For Flower Beds: Ortho GroundClear Weed & Grass Killer.
  • Best Vinegar Weed Killer: Green Gobbler Weed & Grass Killer.

What is the recipe for weed killer with vinegar and Epsom salt? ›

Vinegar, Dawn, & Epsom Salt Weed Killer Recipe
  1. 2 cups Epsom salt.
  2. 1 gallon of white vinegar, 5 percent dilution.
  3. ¼ cup Dawn dish detergent.
May 9, 2022

What is the formula for weed killer using vinegar? ›

The one homemade recipe Strenge has seen work in action: 1 gallon of vinegar (5% acetic acid) mixed with 1 cup salt and 1 tablespoon dish soap, with an emphasis on the salt making its low concentration effective. “It will burn weeds on contact under the right conditions: warm, dry, sunny days,” he said.

What kills weeds permanently with vinegar? ›

vinegar does kill weeds, especially when used along with dish soap. Dish soap, vinegar and a spray bottle are all you need for making your own weed killer. The acetic acid in vinegar “sucks out the water” from the weed, which dries it up.

How long does it take for vinegar and salt weed killer to work? ›

Vinegar kills weeds quickly—usually within 24 hours—but does not discriminate between the weeds you want to kill and the plants you want to grow, so apply the vinegar carefully and in the right conditions.

What is the cheapest weed killer? ›

10 Cent Cheap Homemade Weed Killer! - YouTube

What kills weeds permanently? ›

Yes, vinegar does kill weeds permanently and is a viable alternative to synthetic chemicals. Distilled, white, and malt vinegar all work well to stop weed growth.

Do organic weed killers work? ›

Organic herbicides kill weeds that have emerged but have no residual activity on those emerging subsequently. Further, while these herbicides can burn back the tops of perennial weeds, perennial weeds recover quickly.

Is vinegar a good weed killer? ›

Natural Weed Killer Recipe

When looking for a natural alternative to herbicides, a cocktail of vinegar, salt and liquid dish soap has all of the ingredients needed to quickly kill weeds. Acetic acid in the vinegar and the salt are both very good at drawing moisture from weeds.

What is the fastest weed killer? ›

Of the weed killers we tested, Compare-N-Save – Conventrate Weed & Grass Killer was the fastest-acting and most effective at loosening roots and wilting plants, and it was also the most cost effective.

What weed killer is stronger than roundup? ›

RM43 is stronger than Roundup because it contains 2 powerful active ingredients: Glyphosate and Imazapyr. Roundup only has Glyphosate. This means RM43 kills a broader range of plants more effectively. RM43 is more effective against a broader range of plants than Roundup.

How do you make natural weed killer UK? ›

You just need some white vinegar, salt, and washing-up liquid. The vinegar and salt help to dry out the weeds. Meanwhile, the washing-up liquid ensures the salty vinegar solution sticks to the leaves of the weeds. See the results for yourself!

What is an organic weed killer? ›

Vinegar. Many of us have heard of the efficacy of using vinegar as a weed killer. It will indeed work. As a homemade organic herbicide, use the vinegar at full strength. The higher concentration of acetic acid the vinegar has, the more effective.

What happens when you mix Epsom salt and vinegar? ›

Vinegar and Epsom salt would not create anything. Vinegar and zinc, though, would create hydrogen. No, it will not poison you. You're creating hydrogen gas at your part.

How do you get rid of grass full of weeds naturally? ›

Try DIY Organic Weed Killers
  1. Boiling water is a natural way to kill weeds. Heat water to at least 200 degrees and pour directly onto the weeds. ...
  2. You may be able to prevent, control or kill certain types of weeds using products around your house such as dish soap, epsom salt or apple cider vinegar.

What weed killer do farmers use? ›

Glyphosate is used in a number of ways in agriculture in the UK and globally. It is the active ingredient in the world's most-used weed killer, Roundup.

Does baking soda work on weeds? ›

Baking soda, also called sodium bicarbonate, is an effective way to eliminate weeds by increasing salinity, or salt.


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