Will Vinegar Kill Grass And Other Lawn Care Ideas

Will vinegar kill grass? If you have a lawn, you know the answer to this question. Household vinegar is a natural weed killer. It is one of the most versatile DIY substances available over the counter.

You may not know this, but you can put a vinegar solution with warm water in a spray bottle and clean, disinfect, and kill insects.

will vinegar kill grass

If you didn’t already know, vinegar is a great weedkiller. As easy and effective as vinegar is, it does have a few disadvantages.

Why Does Vinegar Kill Plants?

Why Does Vinegar Kill Plants

This is a question we get from the inquisitive types using vinegar to kill plants. The reason is that vinegar has acetic acid. This acid in the vinegar dissolves the cell membranes which draws the moisture out of the cells, leaving the plant helpless.

Plants need moisture to live and since the vinegar takes this away, the plants die away shortly after. In fact, most plants end up dying within 24-hours of being sprayed with a vinegar mixture, some even begin dying within minutes. 

DIY Weed Killer

  • 1 gallon of white vinegar
  • 1 cup of salt
  • 1 tablespoon of liquid dish soap

This simple mixture will do a great job of killing weeds at the surface. You can use a large spray bottle. The larger the better as you can keep the mixture on the shelves for future use without any problems.

Use one gallon of vinegar per cup of salt and a tablespoon of dish soap. Try not to bubble the soap and instead stir it rather than shake it.

Other Uses For Vinegar

Vinegar is a magic substance with many uses. We’ve brushed up on these uses before but haven’t gone in-depth with them.

Other Uses For Vinegar

Here are some of the most common uses for vinegar around the house. 


Vinegar can be used for cleaning in most cases. You can clean wood floors, appliances, and so much more. There are few times when it is a bad idea to use vinegar because it rarely causes a problem in cleaning. 

Shower Head Cleaner

Vinegar can work just like CLR to remove gunk from your showerheads. Secure a bag of vinegar over the showerhead and let it soak for a few hours. You can also simply take the showerhead off and soak it.

Sink And Tub

If you are having trouble with soap scum, you can run a sink or tub of water and add vinegar. Whenever you drain it after a few hours, you can scrub the soap scum right off with a brush. This is such a useful trick!

Hair Oils

This treatment shouldn’t be used unless used lightly and with apple cider vinegar rather than straight white vinegar. But you can use it in between shampooing and conditioning and hair treatment to remove oils. 

Clear Garbage Disposal

While garbage disposals aren’t for everyone, those who use them need to keep garbage disposal tips and tricks on hand. A good one is using iced vinegar to clean the garbage disposal! Just use it as usual.

Clean Wax

You can get rid of wax by letting the vinegar peel it up. There are many other ways to remove wax from carpet, furniture, or hardwood, but vinegar is one of the best choices. Just make sure to wash the floor after.

Microwave Cleaner

This trick is also smelly but it can work wonders for a stubborn microwave. Just microwave a little diluted vinegar in a glass container and then you should be able to wipe away any leftover dirt and grime. 

Insect And Flea Killer

Yep, you can spray your dogs with regular vinegar to keep fleas away. Just avoid their eyes and you should be good. Vinegar may be a strong smell but even fleas don’t like it, so this can play to your advantage. 

Purify The Humidifier 

It’s a good idea to run vinegar through the humidifier every once in a while. It can clean the humidifier and make it work even better. You’ll be surprised what it can do after just one run through the humidifier. 

Remove Stickers

Ever had a toddler who got out of hand with the stickers? You can let the area with the stickers soak with vinegar for an hour or so. Then come back and peel them right up with a scraper or simply use a brush. 

More Grass Threats

Vinegar weed killer isn’t the only organic substance that can harm your grass.

Other Substances That Kill Grass

There are many substances that can kill grass. Learning what they are will help maintain a healthy and greener lawn.

Boiling Water

Boiling water will kill grass, but it won’t discolor it. If you don’t want to kill grass then keep boiling water away from it.


Motor oil, cooking oil, and any type of oil can kill grass. It is not recommended to use oil as a weed killer, even to kill grass. Oil will discolor your grass. Motor oil especially can cause ugly black marks on the grass that simply will not go away unless you till the entire area and replant new grass.

Organic Chemicals

This isn’t just chemicals like weed killer but also chemicals in general. Bleach, Lysol, Clorox. There are many substances that kill grass instantly. So try not to use chemicals unless it is a weed killer. Even then, it’s a better idea to use the vinegar mixture. Pets and children can play in the same area that’s been doused with vinegar, but they can’t if the area has been sprayed with weed killer.

Sheet Composting

FAQs About Vinegar Killing Grass

If you want to keep grass from growing you can use a method known as sheet composting. This involved adding a layer of mulch that consists of cardboard, bark, and other mulch. This can keep grass from growing.

Frequently Asked Questions (FAQ)FAQ

Can Vinegar Harm Grass?

Depending on your situation, this is either good or bad. It depends if you want to kill grass or you’re trying to get rid of something specific. Vinegar is often used to remove bugs from grass. When you use it, there’s a good chance it will also destroy your plants and anything green in its way. Luckily, it is safe for humans and pets, as well as the water supply. 

Does Vinegar Kill Weeds? 

Vinegar kills weeds. You can use it as a weed killer in problem areas. While it may not kill the roots, those can be pulled up after the weed is taken care of at the top. As you’ve learned, vinegar kills grass. Don’t use it in areas where you want to keep your grass.

Is Vinegar And Salt A Good Weed Killer?

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. Vinegar and salt contain acetic acid. Both organic elements are effective at drawing moisture from weeds and grass.

What Kills Weeds But Isn't Dangerous For Grass?

When you need to kill weeds, but don’t want to hurt your grass, use a nonselective herbicide. Broadleaf herbicides, for example, will only kill broadleaf weeds and they won’t wipe out weedy grasses.

What Is A Dandelion Puller?

A dandelion puller is an outdoor gardening tool that has a claw head that penetrates the soil around a yellow dandelion base and roots. The tool also has a long handle and is pulled perpendicular to the ground, thus pulling the weed out.

Will Vinegar Kill Grass Conclusion

Vinegar is an effective weed killer, and equally as good at destroying grass. As a DIY weed control substance, it might not beg any better than household vinegar. If you have unwanted weeds you want to get rid of, spraying them with a vinegar weed killer offers the best results.

It’s only natural that you would want to remove harmful elements from your outdoor grass areas. Weeds block essential nutrients that your grass needs. Should you use weed killers you’ll need to wear protective clothing as the chemicals can harm humans.