Best Natural Weed Killer

A weed is something that everyone is familiar with. It is an invasive pest that grows where it’s not intended and competes with cultivated plants. According to an American case study, weeds were found to be abundant on 485 million acres of cultivable land in the United States, as well as nearly one billion acres of range and pasture. 

Weeds are so ubiquitous that most people are unaware of their economic impact on crop loss and control costs. In 2003, it was estimated that if weeds were not removed, it would result in a $13.3 billion loss in food and fiber output. Thus, herbicide non-use would lead to a $21 billion income loss. 

In the early 1990s, the projected average yearly monetary loss generated by weeds in the 46 crops farmed in the United States was over $4 billion, with control plans employed. 

This loss was predicted to reach $20 billion if herbicides were not utilized. Field crop losses accounted for around 80% of the total. Thus, the need for investing in herbicides was immediately understood. 

With the latest trends of going organic, staying healthy, etc., one has recognized the need to reduce the number of chemicals used in production. The more the chemicals used, the more harmful it is for us and the environment in the long run.

This is because chemicals can affect the ecosystem and increase toxicity levels. After the advent of the green revolution, people have looked into more natural ways to deal with weeds and pests, and we’ve found out that it can be quite a saving for us too!

What is the Best Natural Weed Killer?

A lot of thought and research was put into finding ‘the best natural weed killer,’ and the discovered solution is some natural DIY. Let us see what some of your best natural weed killers are.


It was found to be ideal for the job because it contains acetic acid and is an effective DIY homemade weed killer. 

It also involves a simple application method where the user needs only douse the weeds with vinegar directly with the help of a paintbrush or spray the desired herbicide with a spray bottle. 

The acetic acid in the vinegar dries out the weeds, causing them to shrivel and die. Depending on the weeds you’re attempting to eradicate, you may notice some effects immediately, while the average estimated time to achieve a weed-free garden is 14 days. This technique works best on a sunny day and the season or weather plays a role in the results. 

A waiting period of about three weeks is a must for reapplication. An important thing to note for this particular herbicide is that though it is effective, it does have side effects. Its acidic properties are bound to affect the pH scale of the soil. 

The higher the acid percentage, the higher the potency of damage; hence it is essential to be careful with the application procedure as it can cause injuries if misused. 

Baking Soda

Baking soda is not only an effective natural weed killer but also a healthy alternative to chemical-based weed killers.

They can be used because of their antibacterial, antifungal, and antiviral properties. It also can kill weeds without harming the surrounding vegetation.


Borax is a naturally occurring mineral used as a natural weed killer. It has been used for centuries to kill weeds and pests.

Borax can be found in different forms such as powder, liquid, granules, and pellet form. The most common form of borax is the granular form which can be bought at any store with gardening supplies.

Borax can be mixed with other substances such as sugar or water to make it more effective against plants.

Boiling Water 

Boiling water is a natural weed killer that can kill plants and weeds. It is also very effective in killing insects, fungi, and bacteria.

This method of killing weeds has been around for centuries but has recently gained popularity due to its wide-scale use by organic farmers. It also leaves behind no harmful residue on the plants or soil, making it a safe option for use around pets and children.


Bleach is a chemical compound widely used as a disinfectant and germicide. It is also used to whiten clothes.

Bleach has been around for quite some time, and it remains one of the most popular natural weed killers in the market today. This product has been proven effective in killing weeds, mosses, algae, fungi, bacteria, and viruses.

It’s a great product that can be used on most surfaces, including soil, plants, lawns, and even hard surfaces like concrete.


Salt is a natural weed killer that can kill weeds without using any chemicals. It kills the weed by destroying its root system.

Salt is an excellent option for those looking to kill weeds without using chemicals because it can be found almost everywhere, and it’s cheap.

Advantages And Disadvantages Of Using Natural Weed Killers

We all can acknowledge the benefit of not needing to manually deal with each weed individually and risk leaving some or pulling out the wrong plant. The presence of weedicides, in general, has ensured we can avoid the backbreaking job of stooping and weeding our gardens. Here, we will point out the pros and cons of natural and chemical weedicides.

By the end of this argument, many will agree with the need to go all-natural and stay on the green path.


Natural weedicides are said to be comparatively safer than chemical ones. They do not affect the environment as harmfully as the store-bought ones. Chemicals from the usual weedicides can float away from your garden and may harm wildlife or plants in other regions. 

The weed killer has the potential to harm the environment and enter the human food chain and water supplies. The toxins may wash into surrounding waterways or penetrate the groundwater sources. But this degree of damage is avoided with the use of natural measures. Natural ingredients are always safer to use.

In addition to this, natural control measures are easy to make and understand, simple to use, effective, and comparatively inexpensive. These substances consist of one or two ingredients when made at home in most cases. 

They can be made in a short span of time with no need for any elaborate procedure or equipment. We also know the contents we are using on our own plants. 

This makes them a relatively safer choice than chemical herbicides. These methods also usually have immediate results; they also reduce the number of weeds by altering the pH of the soil.

Also See: Front Yard Landscaping Tips | Why is my Grass is Brown and Dying


The most significant disadvantage to a natural remedy is that it requires reapplication, sometimes frequently. Some natural remedies do not deal with the root of the problem, quite literally. 

They are known only to affect the verdure of the weed, and this may seem to be just a delaying technique to many. Depending on your home remedy, the reaction you receive is either extensively harmful or weak. Moreover, this method is not recommended for garden beds because of its acidifying qualities and pungent smell!

Precaution To Be Taken Care While Using Natural Weed Killer

It’s always better to be safe than sorry; with that proverb in mind, some measures can be adhered to while taking care of our plants through natural remedies. The most important measure is to wear adequate protective equipment like protective eyewear, gloves, clothing, facemask, etc. 

In case of any problems, stop and seek medical help if you have any skin irritations or allergic reactions, irritation or burns to the eyes, etc. Avoid application on a windy day and be careful with the storage of the weedicide. 

Throughout the process, ensure children and pets are kept at bay because any careless action on their part can create accidents.


How Long do weeds live?

Lawn weeds usually die after one application of weed killer. Sometimes, however, extra spraying might be required for more mature weeds.

Which is better: more dosage per spray or more number of sprays of a weed killer?

Weedkiller doesn’t work better if you increase their dosage. It is rather better to spray again instead of going with a heavier dose that can have negative consequences.

How much time does it take to kill a weed?

Weed killers take time. Some work quickly, within hours. Others work slowly and may take several days before you notice any result. You must be patient.

Which weed killer should you use?

Ensure that the weed killer you select specifies that it is safe to use on all lawns and grass types or on your grass variety.


Weeds will sprout even in the best of plots. After all, they have fertile soil, plenty of nutrients, water, and sunshine. There are many chemical solutions for clearing the lawn if you’re fighting these unwelcome visitors, but many people are increasingly looking for alternatives to commercial weedicides as we enjoy a trend toward “greener” living.

Herbicides are regarded as a practical choice because pulling weeds by hand is the most reliable approach, but it is not always physically viable. Fortunately, a cheap and easy natural alternative utilizing pantry products will get the job done. This is a quick and easy way to keep your garden weed-free.

Written by

Rostislav Shetman is the founder of 9Kilo Moving. He has been in the moving and relocation industry for more than 25 years, making him an expert in his field. Rostislav started as a helper, dispatcher and driver and has worked his way up to owning his own company. He takes great pride in his work and enjoys helping people relocate across the United States of America. When he's not working, Rostislav enjoys spending time with his family and friends. They are the light of his life and bring him happiness every day.