How many plants do you need to purify your house?

Author: Prof. Dayton Kshlerin  |  Last update: Thursday, June 25, 2026

How Many Plants Do You Need? There's no wrong number for how many air-purifying plants to have in your home. For the best results, you should have one medium-sized (8-10 inch pot) plant for every 100 square feet of space.

How many plants do I need to purify my home?

The study suggests that at least one plant per 100 square feet can effectively clean the air, so fill your space with these eight detoxifying plants, handpicked by NASA, to purify the air in your home.

How many plants do you need in your house to improve air quality?

10-1,000 plants per square meter would be required to achieve the VOC-reduction results that many research studies demonstrate.

What plant removes 78% of airborne mold?

English Ivy is exceptional at purifying air, removing 78% of airborne mold in 12 hours. Its dense foliage traps moisture and absorbs mold spores and other airborne toxins, making it an ideal choice for improving indoor air quality and alleviating allergy symptoms.

How many houseplants to purify air?

How Many Houseplants Should I Have? NASA recommends one plant every 100 square feet – which is about 9.2 square metres. In a home of about 1800 square feet in size (roughly 167 square metres), NASA recommends 15-18 houseplants.

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What is the ideal number of houseplants?

Having five or more plants produced even better results, with the magic number being 10 plants in a room of the size previously mentioned. In a larger room (8 x 8 meters, or 26 by 26 feet), 16 plants were needed to provide a 75% improvement in air quality, with 32 plants producing the best results.

Can plants remove mold from the air?

Spider plants, orchids and leafy palms can all help to remove mould spores in the home. From the bathroom to the kitchen, any room that suffers from humidity, dampness, mildew or mould could benefit from one of these clever houseplants.

What plants will stop mold?

Peace lily, Boston fern, ivy, spider plant and orchid are just some of the recommended mould-beating plants.

What kills mold 100 percent?

Yes, bleach is a potent biocide that can be used to kill mold. The active ingredient in bleach, sodium hypochlorite, reacts with water to form hypochlorous acid, which kills mold by denaturing proteins, inactivating enzymes, disrupting nucleic acids, and destroying other cellular components.

What pulls mold out of the air?

Using Air Purifiers

Air purifiers and air cleaners are devices that remove airborne pollutants from the air in your home, including mold spores. In general, they work by drawing air into the system, which then passes through a series of filters designed to capture and remove microscopic particles from the air.

How quickly do plants purify air?

The impact of different VOCs was inconsistent across studies, as was the performance of different plant species. But they said that in 196 experiments, plants were able to clean an average of 0.062 cubic meters of air per plant per hour, which is only about 13% of the half a cubic meter we breathe at the same time.

What is the best house plant to clean the air?

10 BEST AIR PURIFIER HOUSEPLANTS
  • English Ivy (Hedera helix) Also referred to as common ivy, English ivy is easy to grow and adapts to a variety of home environments. ...
  • Pothos (Epipremnum aureum) ...
  • Bamboo Palm (Dypsis lutescens) ...
  • Boston Fern (Nephrolepis exaltata) ...
  • Peace Lily (Spathiphyllum) ...
  • Weeping Fig (Ficus Benjamina)

Do snake plants actually purify air?

Air-purifying snake plants reduce allergens in their environment by releasing oxygen and moisture into the air, lessening the impact of dander and dust. Snake plants clean air all day but release the most oxygen at night, making them a great addition to any bedroom.

Can I have too many plants in my house?

“As much as I believe there's no such thing as too many plants in the home, you never want your plants to overpower your space,” said Hilton Carter, author of “The Propagation Handbook” (CICO Books, 2024). But winnowing your green friends can be painful.

How many snake plants for a bedroom?

"According to NASA's Clean Air Study, the snake plant is so effective in producing oxygen that if you were locked in a sealed room with no airflow, you would be able to survive with just 6-8 plants in it. NASA recommends 15 to 18 medium to large size plants for 1,800-square-foot home for optimum air quality."

Which tree purifies air the most?

Summary: Conifers are generally better than broad-leafed trees at purifying air from pollutants. A new study shows that the best trees for air purification depend on the type of pollutant involved. Conifers are generally better than broad leafed trees at purifying air from pollutants.

What are signs of mold sickness?

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.

How do I permanently get rid of mold in my house?

Spray the area with a mixture of water and vinegar - half water, half vinegar. Next, scrub to remove all traces of the mold. For removal of black and white mold, spray the area with the half water and half vinegar solution.

What is the most powerful mold remover?

Bleach is one of the most reliable cleaners that pros use to remove mold stains and mildew stains. This professional level concentration of bleach is ideal for cleaning bathrooms, kitchens and outdoor surfaces. MOLD ARMOR Rapid Clean Remediation represents a leap forward in mold removal.

What plant removes 78% of airborne mold indoor?

English Ivy: A Christmastime favorite that's a year-round keeper because it filters 78 percent of airborne mold in 12 hours.

How to prevent mold in a bedroom?

Controlling Mold in the Bedroom
  1. Keep humidity low and consider using a digital monitor to keep humidity between 30% and 50%
  2. Ensure proper ventilation and airflow.
  3. Quickly treat any structural water leaks from the roof, pipes, or other sources.
  4. Use a dehumidifier or A/C if your bedroom is prone to moisture.

What plant absorbs moisture in a bathroom?

Spider plants thrive in humid environments and do a great job at absorbing both moisture and pollutants from the air. They require little maintenance, but they do prefer bright, indirect sunlight. They're also great value for money as they produce baby spider plants that you can cut off and use to grow your collection!

What plant cleans air the best?

What plants are best for indoor air quality?
  1. Spider Plant (Chlorophytum comosum) ...
  2. Snake Plant (Sansevieria trifasciata) ...
  3. Peace Lily (Spathiphyllum) ...
  4. Aloe Vera (Aloe barbadensis miller) ...
  5. Boston Fern (Nephrolepis exaltata) ...
  6. English Ivy (Hedera helix) ...
  7. Rubber Plant (Ficus elastica) ...
  8. Golden Pothos (Epipremnum aureum)

How to make your home mold free?

The best way to prevent mold is to control moisture.
  1. Keep the indoor humidity below 60% relative humidity, ideally between 30% and 50%.
  2. Repair leaky pipes and faucets.
  3. Turn on the exhaust fans when bathing and cooking.
  4. Clean out the gutters.
  5. Make sure water drains away from your home.

How do you disinfect air from mold?

Install an Air Purifier: Using an air purifier to remove mold spores in the air is one of the best ways to initially get the problem under control because they work by capturing and removing harmful pollutants in your home.

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