Homemade Weed Killer: Vinegar, Epsom Salt & Dawn (2023)

Creating your own natural weed killer is a simple task that requires only a few ingredients such as white vinegar, epsom salt, and Dawn dish detergent. However, the effectiveness of this combination in killing weeds and the appropriate method of application may be unclear. Let’s take a closer look.

Vinegar, Dawn, & Epsom Salt Weed Killer Recipe

If you’re looking for a reliable recipe for weed killer, then mixing vinegar with dawn dish detergent and Epsom salt might just be the answer you’re looking for. This potent weed killer is easy to make and can effectively get rid of pesky weeds. Keep reading to learn how to make it.

Weed Killer Ingredients

    • 2 cups Epsom salt
    • 1 gallon of white vinegar, 5 percent dilution
    • ¼ cup Dawn dish detergent

Weed Killer Instructions

    1. Pour the vinegar, Dawn, and Epsom salt into a large bowl 
    2. Mix the solution up until combined and let it settle for 2 minutes
    3. Pour into a spray bottle and use on any weeds you may have
    4. Respray the weeds the next day

After applying the weed killer, you can anticipate seeing the majority of weeds begin to wither away within a few days. However, it is important to note that this product has the potential to irritate your skin and eyes. Therefore, if you plan to use it, ensure that you keep your pets away from the treated area.

How Effective Is Vinegar, Epsom Salt & Dawn Weed Killer?

If you’re looking for a safe and effective weed killer, try mixing vinegar, Epsom salts, and Dawn liquid dish soap. The key to success is using a more concentrated vinegar solution. Diluted vinegar or using the solution in bad weather won’t yield great results. Keep in mind that while this mixture is effective, it may not be the strongest weed killer available.

It’s important to remember that using vinegar as a weed killer may only have a superficial effect. If the solution doesn’t penetrate deep enough to reach the root, it won’t be able to effectively eliminate the entire plant.

Is Vinegar Based Weed Killer Safe To Use?

The concentration of vinegar and the amount of Epsom salts used to dry out the plants you want to eliminate will determine the effectiveness of this method. Since vinegar is acidic, and salt enhances the burning effect of acid, the potency of the solution is crucial.

In some instances, individuals have utilized a 20 percent concentrated vinegar solution as a weed killer. Despite its effectiveness in eliminating weeds, it has also been known to cause chemical burns on one’s hands due to its high acidity.

Using highly acidic recipes for homemade weed killers, especially those with high concentrations of vinegar, is strongly discouraged. Such solutions can cause skin burns, eye damage, and even breathing problems, particularly for pets and individuals with sensitive skin. Therefore, it is advisable to avoid these types of weed killers if you have pets or sensitive skin.

Does Vinegar Kill Grass?

When it comes to homemade vinegar weed killers, one major concern is their lack of discrimination. In other words, they don’t differentiate between the weeds you want to get rid of and the plants you want to keep. So, if you use a DIY weed killer on dandelions, it will also kill the dandelions. However, if you use it on your grass, you’ll end up with a large, dried-out area of grass before you know it.

To avoid damaging your lawn, it’s important to apply herbicides correctly when trying to kill off weeds without harming the grass. While vinegar can also kill grass, attempting to “blanket bomb” your lawn with a vinegar weed killer will result in excessive damage that you’ll want to avoid at all costs.

When Should You Spray Your Vinegar Epsom Salt Weed Killer?

Applying the vinegar Epsom salt weed killer correctly is just as important as making it. It’s crucial to remember these key points when using a weed killer:

    • Try to spray your weed killer in the afternoon. You can expect the best results around midday as there will not be any dew or moisture that could dilute the weed killer. 
    • Use your weed killer on hot, sunny days. This is the best way to ensure that your weeds will actually get the desiccation required for a full kill. If you are trying to use it in cold temperatures, you will be disappointed. 
    • Remember to pull the weeds out after they’ve died. This ensures that you will have less regrowth. 

Should You Use A Vinegar, Epsom Salt & Dawn Weed Killer?

Creating a weed killer using vinegar, Epsom salt, and Dawn may not always be a foolproof solution, but it can work effectively in managing and eliminating weeds. While there may be a risk of occasional collateral damage, this quick fix can be an option worth considering.

Regrettably, using a weed killer made of vinegar and Epsom salt may not be the best choice for maintaining a healthy lawn. Opting for a plant-specific solution would be a better option to keep your lawn lush.

Does Vinegar Kill Weeds On Its Own?

Vinegar can indeed be used as a weed killer, but its potency varies depending on the concentration and the specific situation. To increase its effectiveness, you can combine vinegar with Epsom salt and dish soap, such as Dawn, for a more potent weed-killing solution.

During the summer, vinegar-based weed killers can be effective by drying out the leaves of weeds in hot, sunny weather. For optimal results, it is recommended to use them during midday when the sun is at its strongest. Applying the vinegar weed killer during this time will also prevent it from being diluted by morning or evening dew.

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