How to Clean Patio Cushions with Mildew- 5 Proven Ways

Mildew is an ever-present threat that lurks around waiting for an opportunity to nibble away at your precious cushion. These juvenile molds have a musty odor and are thin black, brown, yellow, or white patches. 

Mildew will grow anywhere there is moisture, and having them on your good patio cushion indicates they are ready to assault your fabric and cause it to perish.

They form colonies and are harmful not just to your patio cushion but also to your health. They are allergens that produce sneezing and a runny nose.

Understanding how to clean patio cushions with mildew will save your health as well as your expensive fabric cushion.

Get rid of these troublesome microorganisms that have no regard for expensive fabric.

How to Clean Patio Cushions with Mildew

1. Using vinegar and grapefruit seed extract

White vinegar is an environmentally friendly approach to cleaning your patio cushion. White vinegar is the most aggressive vinegar, containing acetic acid, which gives it a mild acidity.

It is a very efficient approach to eliminate mildew and mold, and if applied on a regular basis, it will keep them from returning.

It is critical to include essential oils, particularly grapefruit seed extract. Because it will not only function as an antifungal but will also subdue the vinegar’s strong odor.

In a spray container, combine 1 cup of vinegar and 20 drops of essential oil, then thoroughly shake the mixture.

Spray the cushion generously with the mixture and wait 5 minutes for the white vinegar to kill the fungi. Then, using a soft cloth, gently wipe away the residue.

Your cushion will be cleaned and mold-free.

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2. Oxygen bleach

This is another environmentally friendly bleaching agent. Oxy bleach is a washing powder that is free of harsh chemicals. It will be gentle on your cloth because it is non-corrosive.

Furthermore, oxygen bleach has antifungal qualities because it contains sodium hypochlorite or isopropyl. Because it emits oxygen ions, it is also known as oxygen bleach.

This powder is a powerful mildew cleanser as a result of this property.

Mix a quarter scoop of powder with two cups of warm water. Wait 10 minutes after applying the solution to the mildewed cushion. Wipe then dry to avoid mildew recurrence.

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3. Chlorine bleach

Although chlorine bleach is the most usually used to clear mold, it is ineffective in keeping mildew at bay for lengthy periods.

It takes less time to clean the mildew because of its bleaching action. Because it is corrosive, it is also utilized in small amounts.

Spray one cup of bleach mixed with a gallon of water on the cushion. After cleansing, always properly dry the cushion.

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4. Baking soda

This is a non-hazardous method of mold removal. Baking soda is useful in eradicating light mildew because it is not as strong as bleaching agents but is also harmless.

Baking soda is very affordable and widely available.

This approach is simple; simply combine the baking soda and water to form a paste. The paste should then be applied to the mildewed cushion. Wait a while, scrub with a gentle brush and wipe.

You can also mix baking soda with white vinegar to ensure the complete removal of the mildew.

Baking soda is safe for both pets and children.

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5. Mold cleaning product

The best mildew cleansers are manufactured. These environmentally safe solutions successfully remove mildew spots.

They have a great penetrating strength that can remove deep stains and rapidly penetrate deep into the mildew on your favorite patio cushion.

Because they eliminate the fungi’s roots, these cleaning methods ensure that mildew does not reappear on your cushion.

Check out this quick-acting mold cleaner:

Always remember to wear gloves, goggles, and a mask to protect your health from this deadly fungus.

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Frequently Asked Questions: How to remove mildew stains from outdoor cushions

1. How do you get green algae off outdoor cushions?

Green algae can be easily eliminated using two straightforward procedures.

To begin, you can clean the cushion with three cups of water and one teaspoon of dish soap, or you can use white vinegar to remove algae.

Fill a spray bottle halfway with vinegar solution. Spray the cushion and use a sponge to clean it.
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2. Does mildew turn into mold

Mold arises from mildew. It develops into fully mature fungi within a day or two. Furthermore, if moisture is present, it will continue to grow.

It might be difficult to distinguish mildew from fully formed fungi.

3. What is the best mold and mildew remover?

Commercial treatments such as RMR-141 RTU are excellent at removing and preventing mold and mildew growth.

This mildew spray contains ingredients that inhibit mildew growth.

Despite the low kill rate compared to RMR-141 RTU, bleach coupled with water will be effective for handcrafted products.

4. Will vinegar get rid of mildew?

White vinegar is a safe and environmentally friendly technique to get rid of mildew.

Spray for an hour, then wipe with a sponge or towel.

5. What is the difference between mildew and mold?

On a damp surface, mildew and mold both thrive. Mold is usually black or green and slimy, whereas mildew is usually white, gray, or yellow.

The fact that mildew grows in a flat pattern distinguishes it.
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6. Do baking soda and vinegar clean mold

White vinegar and baking soda are pantry staples. These two ingredients will work best if you are a do-it-yourselfer.

Vinegar is appropriate for strongly infested regions, while baking soda is appropriate for moderately impacted areas.

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How to Clean Patio Cushions with Mildew
Cushion with mildew

Also: How to fix a sagging chair seat

Outdoor mold is beneficial, but interior mold is an annoyance. If you can’t prevent dampness, remaining vigilant against these destructive organisms is critical.

On the other hand, if you can solve the moisture issue, congratulations.

Mildew thrives in patio cushions because they are damp. As a result, understanding how to clean patio cushions with mildew is critical.

If given the chance, these ubiquitous fungi can ruin your gorgeous patio. As a result, if you are equipped with this method, they will have no chance

Keep that pricey cushion fabric mildew-free!


  • Ricky

    Hi, I’m Ricky. I’ve been involved in lawn care and landscaping from when I was 15. To be honest, I didn’t like the idea of pushing mowers, collecting grass clippings, and maintaining flowerbeds at the time. But having seem the passion my parents had for gardening and outdoors and the effort they put in maintaining the health and beauty of our landscape, I couldn’t help but not only admire their hard work but also I became a part of it. As someone who loves to spend time with nature’s best, I find myself learning a lot more about gardening and outdoors on a daily basis. Not to mention I love to share the knowledge I’ve gathered over the years with my readers at We Mow Dallas. To be clear, I don’t have a Master’s degree in gardening or anything like that. Everything I’ve learned about gardening, landscaping, and lawn care spring from passion and engagement with my parents. And with a ton of free information out there, plus the ability to run tests and determine what works best for lawn care and landscaping, every day is an opportunity to learn and implement something new. My goal with We Mow Dallas is to teach you exactly how to maintain your lawn and landscape. And since I walk the talk in reality, you shouldn’t hesitate to join me in this wonderful world of landscaping and lawn care. K Beatrice

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