The Best Homemade Weed Killer That Works

May 9, 2019 Uncategorized



Killing weeds, while saving your health and money at the same time, sounds like a better way to deal with an issue we all love to hate ! If you have used your body hard over the years, or suffer from back problems, then you will understand that weeding by hand large areas of gardens or the like, can be back breaking work ! For that reason, you can avoid the problem by using excellent DIY weed control methods to stay on top.

In this article you will learn the secret recipe of ” The Best Homemade Weed Killer That Works”.

..and also many other methods of killing weeds in a safe, convenient and economical way at home.

See for yourself,  the results of the tests to the method used !

Firstly, let us just touch on the basics of weeds and why we have them.


Weeds…… Friend or Foe ?




Unfortunately for some, the fact is that weeds have been around just as long as every other plant. Their role in the ecosystem is important and required. A lot of weeds have long tap roots which dig deep absorbing nutrients and minerals from lower depths.

These type of plants bring back to the top of the soil, much-needed nutrients and minerals such as nitrogen and phosphorus, to replace a balance in top soil deficiencies. When the weed or plant cycles out, it then falls and breaks back down into the top soil and in so, depositing these nutrients at a top soil level.

Weeds seem to have a place in the pack and a duty to perform however they are not overly welcomed by most people and in good conditions weeds will thrive.

Whether we love them or not, we have them and most of us want them gone. So here is the recipe you have been looking for. You will never have to buy and handle hazardous herbicides again. Things just became a little easier .


The Best Homemade Weed Killer Recipe



This recipe has been around for many years and I am not sure if it has a name, but there has been improvements made on the recipe over time with much experimenting. The ingredients needed to make this liquid can be found right at home. It costs less than $5 US dollars to make 1 gallon or 3.75 Litres ! It is not only cheap, effective and safe to make and use, but also has very good shelf life.

*The ratio of ingredients used in this recipe varies from other recipes out there. However, I use this particular recipe and it works exceptionally well on a broad range of weeds. This solution kills grass and lawns near instantly ! so exercise caution when using around your favourite patches of turf. As it does have a high salt content try not to overuse the spray near weed roots or growing soils.


What Do I Need ?

For this simple recipe you will need the following products. You should be able to source these from home.


1. 3.75 Litres of White Vinegar ( one gallon )

2. 1 cup of Table Salt ( white )

3. 1 Tablespoon Of Dishwashing Liquid Soap ( sunlight )

4. 1 Spray bottle ( domestic recycled container is fine )


How To Make It ?


  • Mix the ingredients together in a large container firstly, ensuring all the salt has dissolved into the vinegar.
  • Stir occasionally until this is achieved.
  • Add the dish washing liquid and mix well.

*Note : If you add the dish washing liquid first, then you will create foam while stirring in the salt which makes it messy to decant into your spray bottle. One tablespoon of dish soap liquid goes along way ! The solution is now ready for use.


How does it work ?

The vinegar and table salt are the active ingredients in killing the weed. The Acetic acid in the vinegar combined with the salt rapidly draw moisture and burn the plant. The liquid soap is used as a wetting agent. This helps provide effective absorption by the plants leaves or foliage. Works best on younger weeds and follow up spray as necessary.

Hints and Tips


*Aim to apply the solution during the day.

*Application in sunny weather is recommended.

* Avoid using the spray before or directly after rain.

*Avoid spraying plants that are not to be poisoned with over spray.

*Always consider drift of spray in windy conditions.

*Also avoid applying spray when weed foliage is wet from night dew as leaf moisture or wetness will render the spray disproportionate. (Diluted)


The results !





After ( 6 days )





broadleaf, weed,before

After ( 6 days )






After ( 6 days )



After 6 days from being applied to Kikuyu lawn. 




As you can see the results are fairly evident. This homemade weed killer works on anything it is applied to. Always be mindful of overspraying when using this recipe. Broadleaf weeds reacted the quickest to the recipe showing symptoms of poisoning within the first hour.



8 More Homemade Weed Killers !



1. Salt




By applying straight white table salt directly to the centre base of a weed will kill it ! The high levels of sodium are no match for young weeds. This method would suit those that have just the occasional weed pop up in between pavers or concrete or have small suburban yards.

The salt can be sprinkled along cracks or joints in the concrete to kill and inhibit further weed growth in these areas. Be generous with the salt, It won’t let you down. Ensure weeds are slightly damp to speed up the poisoning process prior to applying salt. I recommend 1/2 teaspoon per small weed (average height 200mm). If, the foliage is wet it can also be sprinkled on that.


2. Cornmeal or Corn Gluten




Cornmeal is a product that works quite well with suppressing seed. It cannot be used as a killer to developed weeds or as a spray as such, but rather is used on the ground to prevent weed seedlings from sprouting. Avoid using prior to or with planting seeds of any kind. The product can be used safely around the home and is also great for lawns.

The perennial weeds that have bulbs, rhizomes or roots under the surface of the ground will not be affected by the cornmeal. However, the cornmeal will prevent the weeds last seasons seeds from germinating which over time will completely remove that particular type of weed.

3. Borax




As we all know, Borax ( Sodium Borate ) is a laundry product that has been around for some time. Adding Borax to water creates a herbicide that works quite well. Mix 300 grams (10 ounces) with 7.5 litres ( 2 gallon ) of water to make a foliar spray. Try to avoid over spray with this product and try to avoid contact with skin. Best when applied in sun and when weed foliage is not wet from rain or dew.


4. Boiling Water




Definitely one of the easiest ways to treat weeds is to pour boiling water on them. Ensuring the water is boiling hot this can be poured on weed foliage, stems, bases and roots. Always take care when using boiling water to prevent injury to self or others. Boiled kitchen water such as, the leftover water used to cook vegetables, rice or pasta, meats etc in, can be applied to weeds to kill them also, making sure the liquid is boiling hot.


5. Baking Soda




Baking soda ( Sodium Bicarbonate ) is another weed weapon from the kitchen cupboard that can be used much like salt, by sprinkling the baking soda on wet foliage. You can pour the baking soda into cracks in concrete, around stepping stones or pavers as well. Avoid getting it near your lawn as it is unforgiving to not only a lot of different plants but also grasses including prized turf !


6. Newspaper or Cardboard




Newspaper is another great way to killing weeds. By layering the newspaper directly on top of small weeds will suppress their vital exposure to light. Make sure to be liberal with the newspaper and lay it in overlapping layers of at least 5 pages thick. As the paper becomes wet from watering or rain it will flatten out and further hinder the weeds ability to photosynthesize, resulting in weed death.

Cardboard is another good way to kill weeds, especially large boxes. I have used large thick cardboard boxes flattened out in my gardens with great success in the past. Mulch can be placed directly on top to hide the unsightliness of the paper or cardboard and to prevent it from being moved by pets or wind.


7. Mulch




Mulch is another great way to not only keep the weeds down but also preserve soil temperature and moisture levels. A good quality mulch will contain plant feeding nutrients and minerals as well. When applied around !00mm thick you will see very little weed growth and activity. There are many types of mulch that can be used.

  • Lucerne
  • Wood chips
  • Palm Tree fronds
  • Compost ( Image)
  • Hay or Straw
  • Pine bark or Tree Bark
  • Rocks
  • Gravel
  • Leaf litter from a forest or bush land
  • Animal Manure


8. Hand Pulled Weeds




I purposely left this method to last, as it is one of our all time least favourites ! The simple tried and tested method of physically pulling out weeds by hand, will always be an effective and popular remedy. In some situations, pulling the weeds out by hand is the most practical of methods.

To make the process easier always use gloves and attempt to pull the weeds out before they grow too large and take good root, which will make it harder to pull out the roots as well. Always aim to remove all of the root structure of weeds to prevent further regrowth. Pulling weeds out after rain or a good watering will make it easier.

The use of certain garden tools also helps to remove strong and stubborn weeds, especially those with tough, woody stems.


“I always arise from weeding a different person from the one who first knelt down.” – Bronwyn Lea


*If you have any questions or comments please feel free to leave them below and I will be more than happy to help you out.

All the best,



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