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The best houseplants to purify indoor air
  • Natural Home

The Best Houseplants for Purifying Indoor Air

Katie WellsMay 15, 2019Updated: Jan 5, 2020
Reading Time: 7 min

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Wellness Mama » Blog » Natural Home » The Best Houseplants for Purifying Indoor Air
Table of Contents[Hide][Show]
  • Why Does Indoor Air Need Purifying?
  • Plants as Air Filters?
  • The Best Houseplants to Purify Indoor Air+−
    • The Most Effective House Plants
    • The Most Beautiful Houseplants
    • The Most Useful House Plants
    • The Hardiest Indoor House Plants
  • And the Awards for Best Houseplants Go to ...+−
    • Important Houseplant Caution
  • Where to Buy Air-Filtering Plants
  • Filtering Indoor Air: My Line of Defense

I’ve heard it said that a person can go three weeks without food, three days without water (roughly) and three minutes without air (roughly). With those numbers, it seems that air quality should be an important consideration for health, as we proportionately consume more air than any other substance and as chemicals can be easily absorbed through the lungs.

Why Does Indoor Air Need Purifying?

Isn’t it outside air that’s harboring all the toxins? Well, there are plenty of toxins floating around outside thanks to pesticides and herbicides, vehicle fumes, and other industrial pollutants. Unfortunately, you’ll find a plethora of toxins in the air inside your own home as well.

Indoor air quality is affected by:

  • cleaning products, especially laundry detergent and fabric softener, as laundry chemicals are the top indoor pollutant
  • chemical flame retardants in furniture, mattresses, and children’s PJs
  • formaldehyde found in gas stoves, garbage bags, paper towels and tissues, carpet backing, and some fabrics
  • fragrances
  • other toxins carried in on your clothes and shoes from outdoors
  • electromagnetic frequencies (from computers, WiFi, and other electronics)

Simply opening your windows can go a long way, but what else can we do? I found one solution I really like! Plants!

Plants as Air Filters?

I did a lot of research to find the best type of air filters to use in our home. One of our children has allergies, and I wanted to find ways to reduce his allergy reactions in our house. I was ready to spend hundreds of dollars on a top-notch filter and the research I did showed that a much cheaper option might be the best. (We also currently use a basic filter to filter dust and large particles)

According to this article:

“In the late ’80s, NASA and the Associated Landscape Contractors of America studied houseplants as a way to purify the air in space facilities. They found several plants that filter out common volatile organic compounds (VOCs). Lucky for us the plants can also help clean indoor air on Earth, which is typically far more polluted than outdoor air. Other studies have since been published in the Journal of American Society of Horticultural Science, further proving the science.”

Since then, research has narrowed down which plants are the best at filtering indoor air and which plants filter which chemicals the best. Plants naturally absorb carbon dioxide and release oxygen, but certain  plants also eliminate significant amounts of benzene, formaldehyde and/or trichloroethylene.

According to this article: “The recommendation of NASA is to use 15 to 18 good-sized houseplants in six- to eight-inch (203 mm) diameter containers in a 1,800-square-foot (170 m2) house.”

At our house, we don’t have indoor pets, but finding plants that were safe with kids around was a priority. I also needed plants that were relatively easy to take care of and pretty resilient.

Fortunately I’m mildly obsessed with plants (see my plant wall for proof!) and have tested and researched many over the years. These are my favorites and the ones that are best for indoor air.

The Best Houseplants to Purify Indoor Air

I’ve broken down the best houseplants to purify indoor air by their effectiveness, attractiveness, usefulness, and hardiness. This will help you decide which houseplants will best suit your needs.

Without further ado…

Best kid and pet friendly houseplants for filtering indoor air

The Most Effective House Plants

These houseplants are the most effective at removing indoor air toxins and contaminants.

Bamboo Palm

Bamboo palms are effective at removing chemical contaminants from the air like formaldehyde and benzene. They also help to keep the air moist, which is especially helpful during winter months when heaters can produce overly dry indoor air.

Bamboo palms have a tropical appearance and, though green instead of the typical tan bamboo color, have the characteristic tall, skinny canes and fanned leaves.

Rubber Plant

The rubber plant is especially effective for removing formaldehyde from indoor air. It’s favored for its ease of growth, as well as its appearance, which features large, rubbery leaves.

The rubber plant can grow up to 8 feet tall in the proper conditions. This large ficus (ficus robusta) is bred for toughness, which means that it’s not only one of the most effective plants for purifying indoor air, but it’s sure to be hardy even in less than ideal conditions.

English Ivy

English ivy is most often seen growing as a covering in atriums and lobbies, but it makes a lovely feature if grown as a topiary. Like the rubber plant, English ivy is known for its ability to remove formaldehyde from the air.

English ivy needs lots of light to look its best, but does well when the temperature doesn’t get too hot. It is, however, very adaptable to its environment, as it will climb and spread over any surface given the chance.

Boston Fern

Ferns are one of the best-known varieties of houseplants, and the Boston fern is known for being the best plant for removing indoor air pollutants, and for adding humidity to indoor air.

While it is a champ at keeping indoor air clean, the Boston fern is somewhat finicky and requires an attentive caretaker. Without frequent watering and misting, the leaves will quickly turn brown and fall off.

Dwarf Date Palm

If you’re into tropical plants, the dwarf date palm is for you. It’s like an adorable mini palm tree that fits in your living room.

The dwarf date palm is one of the most effective palms for removing indoor air pollution, especially xylene, which is found in solvents and paint thinner. It’s also quite good at keeping the air moist and is fairly easy to grow.

The Most Beautiful Houseplants

It’s important to have houseplants that keep your air clean, but what about plants that are nice to look at? Here are the prettiest, best houseplants to purify indoor air.

Tulips

Tulips are truly lovely to look at. They come in a variety of colors, and also do a pretty good job of keeping the air clean, as they’ve been shown to be effective at eliminating formaldehyde, xylene, and ammonia from the air.

Azaleas

The dwarf azalea has been bred to remain indoors and bloom seasonally, and boasts big, pretty blooms. You can purchase it nearly any time of year, and with some care, it can bloom over and over. Of course, you’ll want to keep it blooming because it’s efficient at cleaning the air too.

Orchids

All varieties of orchids are quite pretty, but the level to which they filter the air varies. For instance, the dendrobium orchid features plain white blooms and removes alcohols, acetone, formaldehyde, and chloroform from the air. On the other hand, the more vibrant moth orchid, which features colorful blooms, including the well-known bright pink centered ones, is not as effective at purifying the air.

Wax Begonia

Begonias are a beautiful plant that are available in a number of vibrant colors, which can bloom year round given the right conditions. They also help to remove chemical vapors from the air.

Peacock Plant

With gorgeous purple and green hues, it’s easy to see where the peacock plant got its name. They can provide some help with keeping your air clean but are fairly finicky, requiring a lot of care and attention to growing conditions.

The Most Useful House Plants

These plants tend to be the most all-around useful to keep in your home. Although not necessarily known for their air-filtering ability, but I use these and have them in an indoor kitchen garden for culinary and medicinal uses.

Aloe Vera

Aloe vera is well known for its ability to soothe burned skin. Keeping it around allows you to use the fresh gel at a moment’s notice for scrapes and burns. It can also be used internally and can be squeezed into smoothies.

Aloe vera isn’t one of the best houseplants to purify indoor air, but it does have the unique ability to release oxygen and absorb carbon dioxide at night, making it a good choice for keeping in a bedroom.

Lavender

Lavender, with its earthy, sweet smell, has a soothing, calming effect. You can use it to make tea, tinctures, and even soaps and lotions. It’s also helpful for purifying the air by lowering carbon dioxide levels and cleansing bad smells.

Rosemary

Rosemary is both a culinary powerhouse as well as an air-purifying plant. Its antimicrobial properties make it a good choice for cleaning the air.

The Hardiest Indoor House Plants Best ways to improve indoor air naturally sing houseplants that are safe for children and pets

Have a black thumb? Then it’s important to choose hardy plants that will be forgiving to your lack of growing skills!

Palms

Palms come in lots of varieties, including the bamboo palm, which we mentioned above. They are both easy to grow and maintain, as well as resistant to pests.

Syngonium

An interesting-looking plant with large leaves, the syngonium is a pretty easy plant to grow. It is moderately effective at purifying the air and will be fairly forgiving to forgetfulness.

Philodendrons

A cousin to the syngonium, philodendrons are one of the best houseplants for purifying indoor air, plus they are rather hardy, requiring little upkeep.

Snake Plant

Snake plants have striking tall, pointy leaves, which would explain the name. There are many species, and while they’re not known as one of the best houseplants for purifying indoor air, like aloe vera, they cleanse the air at night by producing oxygen and removing carbon dioxide. Better yet, they’re easy to grow and resist pest infestation well.

And the Awards for Best Houseplants Go to …

If you want to choose just a few from the extensive list above, taking into consideration all above points, here are the winners across all categories:

Palms – Attractive, hardy, and one of the best plants for purifying the air.

Tulips – Very pretty, and quite useful at removing unwanted chemicals from the air.

Philodendrons – Hardy, excellent at purifying indoor air, and they come in lots of varieties, so you’re sure to find a pretty one.

Important Houseplant Caution

Some houseplants can be poisonous to children and pets. The above houseplants are the most effective at cleaning indoor air, but not all of them are safe for children and pets. Make sure to research and check out any plant for safety before bringing it into your home. Personally, I have quite a few houseplants but keep them where I know pets and children won’t try to eat them. Here is a partial list of plants to avoid if you have pets or children who are prone to eat them.

Where to Buy Air-Filtering Plants

If you’re wondering where to get these plants or if you will have to search every local greenhouse to find them, have no fear… Amazon to the rescue!

I order many of my houseplants on Amazon now (link here), especially when I need specific air-filtering kinds. (p.s. The cost is the same for you but helps support the blog at the same time, and I thank you!)

Filtering Indoor Air: My Line of Defense

Improving indoor air quality is a multi-step process. To improve the air quality in our home, we focus on the following steps:

  • Opening the windows (if allergies allow)
  • Reducing harmful chemicals by using natural cleaning and beauty products
  • Keeping houseplants around the house – as many as possible 🙂
  • Using a basic air filter to filter dust and large particles
  • Spraying an indoor probiotic around the house to prevent mold and unhealthy bacteria

That’s our protocol! I’d love to hear what you do in your home!

Are you ready to fill your home with plants? Which air-purifying houseplants are your favorites?

Category: Natural Home

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About Katie Wells

Katie Wells, CTNC, MCHC, Founder of Wellness Mama and Wellnesse, has a background in research, journalism, and nutrition. As a wife and mom of six, she turned to research and took health into her own hands to find answers to her health problems. WellnessMama.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the Wellness Mama research team. Katie is also the author of the bestselling books The Wellness Mama Cookbook and The Wellness Mama 5-Step Lifestyle Detox.

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Reader Interactions

Discussion (38 Comments)

  1. Lore

    March 21, 2017 at 12:17 AM

    Hi Katie

    Great post, great website! I does make sense that these plants are good and healthy to have inside. When I just told a friend of mine about it he said that he thought the soil wasn’t good for you. Do you know anything about that? Do you recommend using a certain soil (sorry, don’t know anything about plants and soil).

    Thank you!

    Reply
  2. Maggie

    February 8, 2017 at 4:20 PM

    Hi Katie!
    Are there any online retailers that you recommend buying these plants from? That use nontoxic soil? I would love to purchase the bamboo palm but can’t find a great online store to purchase.

    Reply
  3. Raelin VanOvereem

    January 25, 2017 at 7:28 PM

    Nice post! I like pothos as well, it’s so easy to care for.

    Reply
  4. Monique

    January 25, 2017 at 4:36 AM

    Thanks for the great post.

    I’ve also read great things about and used “Spider plants” (here in South Africa known as Hen and her chicks), but they need enough sun and water.

    Reply
  5. Elizabeth Holden

    January 23, 2017 at 9:38 AM

    This list should really mention the poisonous qualities of some of these plants, especially since most of us reading have children, if not also pets. You shouldn’t have to click on a separate link to know which things you are recommending are NOT GOOD FOR CHILDREN AND PETS!!!!

    POISONOUS PLANTS:
    Syngonium is very poisonous, English Ivy, Philodendrons,

    Also, spider plants are very adept at combating many toxins: the spider plant battles benzene, formaldehyde, carbon monoxide and xylene.

    Reply
    • Katie - Wellness Mama

      January 29, 2017 at 9:49 PM

      I did include this warning and a link to check the toxicity of plants at the bottom of this post :

      “Important Houseplant Caution

      Some houseplants can be poisonous to children and pets. The above houseplants are the most effective at cleaning indoor air, but not all of them are safe for children and pets. Make sure to research and check out any plant for safety before bringing it into your home. Personally, I have quite a few houseplants but keep them where I know pets and children won’t try to eat them. Here is a partial list of plants to avoid if you have pets or children who are prone to eat them.”

      Reply
    • Dylan

      February 19, 2019 at 7:53 PM

      Safety first. You should check which of your houseplants are toxic by searching for the plant on https://www.houseplant411.com/houseplant
      or if you’d rather you can get a book that lists all the toxic indoor plants
      https://keepairpure.com/a-guide-to-poisonous-houseplants/

      Reply
  6. Cathy

    January 23, 2017 at 6:31 AM

    Hello,
    I have a salt lamp but have been hearing they are toxic have you heard anything on this?
    Thanks

    Cathy

    Reply
    • Katie - Wellness Mama

      January 23, 2017 at 9:47 AM

      No, but I wrote about them here: https://wellnessmama.com/23569/himalayan-salt-lamp/

      Reply
  7. Dora Kenney

    January 22, 2017 at 12:37 PM

    Thanks for a great post! I need some more information, please. I have a cat and I need to know if any of these plants are harmful to pets. If you know the answer, I would appreciate it if you could share. Thanks 🙂

    Reply
  8. Anna

    January 22, 2017 at 8:06 AM

    Can you comment on this thorough, well-written article about the houseplant myth and cite some sources for the suggestions you’ve given?
    https://www.gardenmyths.com/garden-myth-born-plants-dont-purify-air/
    I’d love as much as the next person to use houseplants for cleaning the air but I’m pretty sure it doesn’t actually work that way.

    Reply
  9. Dawn

    January 22, 2017 at 6:56 AM

    I respectfully suggest you look at Peace Lily. It should make any top ten list for air purifying.

    Reply
    • Elizabeth Holden

      January 25, 2017 at 9:15 AM

      Peace lily is a workhorse for purifying air but its extremely toxic to children and pets. Keep them up high if you have them.

      Reply
  10. Jen

    January 17, 2017 at 2:03 PM

    Katie,
    Sorry this is in the wrong spot but have been desperate to find a solution to my Hashimotos. I have tried your doc but I would have to fly to Arizona and thats not an option right now. Seeking natropaths in the area are so pricey and I really have a hard time trusting blindly. I have even found Dr. Shook in NC online ( Have you heard anything about his practice?) I just bought your book and am currently nursing my seven month old. Love your recipes and insight so much. So hopeful seeing you have six healthy littles. Yet, I’m feeling defeated and just want to get help and answers. I feel so hungry without gluten and dairy. Everything I read pretty much says I cannot eat much with this autoimmune attack. Any advice for finding a trustworthy dr., how you get your blood work done to keep your levels in check, and being able to enjoy life on such a strict diet (as well as be able to keep. gain fertility… I feel like the diet has made me lose a lot of weight).

    Reply
    • Katie - Wellness Mama

      January 17, 2017 at 3:23 PM

      Have you found Dr. Izabella Wentz’ blog yet? https://thyroidpharmacist.com/articles/ I find all of her info so helpful and she has guidance of supplements that help and so much more.She also has a new book coming out in April that is really helpful. I found that I did better with enough healthy carbs from foods like sweet potatoes and rice and that I only handle certain greens well. There is definitely quite a bit of trial and error in figuring out what works for you. I think you may also be able to order lab tests from Izabella’s site.

      Reply
      • Jen

        January 17, 2017 at 7:53 PM

        Katie,
        Thank you so so much for getting back to me and for the great advice! I just read “Finding the Root Cause” last week and found it very helpful. Did you use the Hacking Hashimoto’s program? I just want to make sure I am safe while nursing and hopefully conceiving within the next year. You have been such a wealth of knowledge, and I love what you do. Thank you so much and God Bless!

        Reply
        • Katie - Wellness Mama

          January 29, 2017 at 9:53 PM

          Yes, and I just made a few adaptions based on what I needed while nursing and it was very helpful.

          Reply
      • sara

        January 22, 2017 at 3:17 PM

        I have been following you for a few years. When did u start eating rice? I know I’ve seen a post or 2 from the beginning years of your blog about occasional rice but I thought you have been very strict paleo for many years. I am confused as rice is a grain…
        Also, as an aside, I find your blog more confusing since you took the dates out of your posts and comments. Older posts often have outdated information or things that you have changed and no longer do. I like to know if a post is from 5 years ago or not…
        Thanks for your hardwork!

        Reply
        • Katie - Wellness Mama

          January 22, 2017 at 4:37 PM

          I’ve never considered myself “paleo” and our family’s diet has evolved over the years. It seems that even the original pioneers in the paleo community are also re-evaluating certain foods though. I recently interviewed Robb Wolf, and he even spoke about rice and potatoes being ok for some people. Rice still is an occasional food for us, but something that we all seem to tolerate. I also have never used the word Paleo on the blog for a reason- I choose what we eat and how we live based on the best I can find from the wisdom of traditional cultures and the cutting edge science of today. The internet isn’t Paleo, after all, but I’m quite a fan of it 🙂

          Here’s where I’ve written about both rice (https://wellnessmama.com/2123/white-rice-healthy/) and grains (https://wellnessmama.com/575/problem-with-grains/).

          I’m constantly updating older posts, which is why they have “last updated on”.

          Reply
    • Alex

      January 18, 2017 at 8:37 PM

      What NC city is Dr.Shook practicing in? I may know someone that knows the doctor.

      Reply
    • Sara

      January 26, 2017 at 12:02 PM

      Aviva Romm is a naturopathic physician who has great information about Hashimotos. http://www.avivaromm.com

      Reply
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