How long until mold grows on wet clothes?

Author: Asha Thompson  |  Last update: Tuesday, November 4, 2025

If your clothes are damp or in a humid environment with little ventilation, this often leads to mold growth. Mold can start growing on wet clothing as soon as 24 to 48 hours. You should be able to discover mold on your clothing from the musty smell.

How long before wet clothes mold?

Leaving Wet Clothes in the Washer Can Cause Bacteria and Mildew to Grow. The biggest downside of leaving your clothes in the washing machine for more than eight to twelve hours is that, after this period, there's a greater chance that bacteria, mold, and mildew will grow.

Can mold come from wet clothes?

Any damp clothing items that are organic in nature (like cotton) will begin to grow mold on them after 24 hours. Other items may have mold spores on them, but may or may not grow mold. It depends if there is any residual organic materials on them too.

How long does it take for mold to grow when something gets wet?

Mold growths, or colonies, can start to grow on a damp surface within 24 to 48 hours. They reproduce by spores - tiny, lightweight “seeds”- that travel through the air. Molds digest organic material, eventually destroying the material they grow on, and then spread to destroy adjacent organic material.

Can wet moldy clothes be saved?

It may not be feasible to save the garment if the mold was allowed to grow for a long time. With the right approach, mold can be removed from clothing. The moldy clothing should be taken outside, cleaned of any visible mold, soaked in vinegar, washed in hot water with a high-efficiency detergent, and dried in the sun.

Why is mold growing on my clothes?

How long do mold spores live on clothes?

Mold spores on clothes usually live for a day or two. But, they'll keep multiplying and form a colony that keeps growing if the conditions are right in your home.

Will wet clothes mildew overnight?

While placing garments in the dryer or on the clothesline right after the cycle finishes is best practice, wet laundry should generally not stay in the washer for more than 8-12 hours. Mildew and mold thrive in warm, damp environments, and the washer provides an ideal setting if laundry is left too long.

What are the 10 warning signs of mold toxicity?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

Will mold continue to grow if it dries out?

If mold does not have moisture it cannot grow. Remember mold spores are everywhere so you cannot completely keep them out of your house. Since our houses are built with wood products and paper faced drywall, food for mold is always present.

How fast can mold grow on something?

Surprisingly, mold will start growing immediately after spores are attached to an item. Mold can easily grow within 24 to 48 hours and will begin to colonize in 1 to 12 days.

Does hanging wet clothes cause mold?

When clothes come out of the washing machine, they are very damp and must be placed in a tumble dryer or outside on a clothesline. By hanging clothes on a clothes horse indoors, you create excess moisture in the home, which can lead to mould.

Can mold on clothes be killed?

Bleach — This substance can kill mold in fabrics, but it can fade colors. So make sure to spot-test first and read the label. Some labels say “no chlorine bleach”. Once you know your clothes won't be damaged, wash them with normal detergent and one cup of bleach.

How long does it take for mold to make you sick?

According to the CDC, people usually experience their first symptoms within 2 to 9 hours of their first exposure. On the other hand, some people could go for weeks or months before feeling sick if their exposure is limited enough. This is why it is also important to check damp, dark areas of your home for mold.

Can slightly damp clothes grow mold?

Yes, clothes can definitely get moldy. This usually happens when they are left damp for too long, or when they are stored in a humid and poorly ventilated area. It's important to dry clothes thoroughly before storing them, and to keep your storage areas dry and well-ventilated to prevent mold growth.

How long can wet clothes sit in a bag?

After a day or two in warm conditions the clothes will start to mildew and smell funky, but you can still salvage them at that point if you rewash them with fresh detergent and an oxygen bleach. Left for a week in the bag they will reek and be permanently stained.

What days should you not do washing?

One of the most prevalent New Year's superstitions is that on January 1 no washing should be done. However, some people go one step further and make it a custom to keep any dirty clothes unwashed from Christmas until New Year's Day.

Is mold dead once it is dry?

As you can see, mold does not die when it dries out. Instead, it enters a dormant state and can reactivate once moisture is reintroduced. Therefore, simply drying out mold-infested areas is not enough to eliminate the problem. Mold spores can still pose risks even when they appear inactive.

Does sunlight stop mold growth?

UV-C rays produced by the sun can damage mold cells' DNA, preventing reproduction and leading to their eventual death. Direct exposure to sunlight for 1-3 hours can stop mold spores from reproducing, making sunlight a natural mold deterrent [source].

How quickly does mold grow after a leak?

Unfortunately, mold can start rowing 24 to 48 hours after water damage. However, just because mold starts growing in a day or two doesn't mean that you'll actually see it. In most cases, it can take 12 days for the mold spores to colonize and then 21 days before the mold becomes visible.

How do you detox from mold exposure?

Here's a look at some of the best foods to incorporate into your diet if you're aiming to detox from mold exposure: 1. Antioxidant-Rich Foods: Load up on citrus fruits, berries, nuts, and green leafy vegetables. These provide vitamins C and E, which combat oxidative stress from toxins.

Can mold behind walls make you sick?

It irritates the nose and throat, which can lead to both sneezing and coughing as your body tries to get rid of the irritant. Inhaling mold spores can also trigger coughing in people with allergies or an asthma attack, for those with asthma.

Can you clean up mold yourself?

Scrub mold off hard surfaces with detergent and water, and dry completely. Fix plumbing leaks and other water problems as soon as possible. Dry all items completely. Absorbent or porous materials, such as ceiling tiles and carpet, may have to be thrown away if they become moldy.

How quickly does mold grow on wet clothes?

If your clothes are damp or in a humid environment with little ventilation, this often leads to mold growth. Mold can start growing on wet clothing as soon as 24 to 48 hours. You should be able to discover mold on your clothing from the musty smell.

What to do if you forgot your wet laundry?

If you left clothes in the washer overnight, you may need to freshen them up before drying. A quick rewash may be all you need. Or, for a more thorough refresh of your laundry, run the same load on another full cycle and try adding a presoak option to help combat stubborn odors.

What happens if you wear wet clothes for too long?

Additionally, the wet conditions can increase the risk of infection and illness, as damp conditions can promote the growth of bacteria and other pathogens. Wearing wet clothing in cold temperatures can lead to a variety of health risks, including hypothermia, frostbite, chilblains, and immune system suppression.

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