A clean home does not necessarily mean clean indoor air. Everyday objects, including furniture, carpets, paints and household cleaning products, can release pollutants that affect the air inside your living space. While opening windows, improving ventilation and reducing pollution at its source remain important, indoor plants offer another way to make your surroundings feel closer to nature.
The idea of using houseplants as natural air purifiers became popular after a NASA study in the late 1980s explored how certain plants could absorb pollutants such as benzene and formaldehyde in sealed chambers. However, the results do not mean that a few potted plants can significantly clean the air in an ordinary home.
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Their appeal goes beyond this claim. Indoor plants add colour, soften bare corners and bring texture to a room. Some are easy to maintain, while others thrive in humid spaces or work particularly well in hanging planters. If you are planning to introduce more greenery into your home, here are six varieties worth considering.
1. Peace Lily for an Elegant Indoor Accent
With its deep green leaves and delicate white blooms, the peace lily can bring a polished, natural touch to a living room, bedroom or workspace. It is also relatively adaptable to lower-light conditions, making it a useful option for spaces that do not receive strong sunlight.
Peace lilies have featured in studies investigating how plants interact with certain airborne pollutants. However, their presence in a room should not be mistaken for a reliable method of removing indoor air pollution.
How to care for it: Keep the soil evenly moist without letting the roots sit in water. Peace lilies are toxic to cats and dogs if ingested, so households with pets should choose their placement carefully.
2. Snake Plant for People Who Often Forget to Water
Not everyone has the time for a demanding plant-care routine. The snake plant, also called mother-in-law's tongue, is a good option for those who want greenery without frequent watering.
Its long, upright leaves create a striking silhouette and fit neatly into corners, narrow spaces and compact apartments. Although the plant can tolerate lower light levels, bright, indirect light generally supports better growth.
Snake plants are frequently described as air-purifying plants, but there is limited evidence that keeping one or two indoors can meaningfully reduce pollutants in a typical home.
How to care for it: Let the soil dry out completely or almost completely between waterings, depending on the growing conditions. Too much water can damage the roots.
3. Spider Plant for a Cascading Green Display
For a plant that adds movement and texture, consider the spider plant. Its slender leaves arch outwards, while smaller offshoots develop along trailing stems, creating a layered appearance that works particularly well on shelves and in hanging baskets.
Spider plants are generally easy to grow and can adapt to different indoor environments. Their distinctive shape also makes them an attractive choice for desks, windowsills and other spots that could use a little greenery.
Although spider plants have been examined in research on indoor pollutants, their practical air-cleaning impact in everyday homes remains limited.
How to care for it: Place the plant in bright, indirect light and water when the top layer of soil begins to dry. Make sure the pot drains well.
4. Boston Fern for a Lush, Leafy Look
If your idea of an indoor garden involves abundant foliage, the Boston fern is worth a place on your list. Its delicate fronds spread outwards, creating a fuller appearance that works beautifully in hanging baskets or decorative floor pots.
This plant prefers humid surroundings and consistently moist soil, making it a potential fit for a bright bathroom or another area with suitable humidity. It generally needs more attention than drought-tolerant varieties, so it may not be the best choice if you frequently forget to water your plants.
How to care for it: Provide indirect light, maintain moisture without waterlogging the roots and avoid placing it in an excessively dry environment.
5. English Ivy for Walls, Shelves and Hanging Planters
Bare shelves and empty corners can benefit from a trailing plant such as English ivy. Its leafy stems can spill over the sides of containers, adding greenery without taking up much floor space.
English ivy has appeared in research exploring the ability of certain plants to absorb airborne compounds under controlled conditions. However, this does not establish that it can substantially improve air quality in a regular living room or bedroom.
How to care for it: Give it bright to medium indirect light and water when the surface of the soil begins to dry. English ivy can be toxic if swallowed and may irritate the skin, so keep it away from children and pets.
6. Areca Palm for a Tropical Touch
Want a plant that makes more of a statement? The areca palm features long, feathery fronds that can add height and a tropical feel to spacious living rooms, entryways and empty corners.
Its spreading foliage creates a softer visual effect than plants with rigid, upright leaves. The areca palm is often chosen for its decorative appeal, particularly in interiors that feature natural materials, neutral colors and earthy tones.
Like other houseplants, however, it should be viewed primarily as a decorative addition rather than a substitute for an air purifier.
How to care for it: Place it in bright, indirect light and water when the top layer of soil begins to dry. Avoid leaving excess water in the pot or its drainage tray.
Do Indoor Plants Actually Purify the Air?
The popularity of air-purifying houseplants can be traced partly to laboratory research showing that certain plants can absorb some volatile organic compounds. However, sealed experimental chambers are very different from occupied homes, where air moves through doors, windows and ventilation systems.
A later review of research on potted plants found that the number needed to produce meaningful reductions in airborne volatile organic compounds in typical indoor environments would be impractically high.
This means that buying several plants alone is unlikely to solve indoor air-quality problems. A more effective approach involves identifying and reducing pollution sources, maintaining adequate ventilation when outdoor conditions permit and using suitable air-cleaning equipment where necessary.
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Houseplants can still contribute to a pleasant living environment by adding greenery and making interiors feel more inviting. The key is to choose varieties that suit your available light, humidity, space and maintenance routine.
Ultimately, the best indoor garden is one you can comfortably maintain. Whether you prefer the sculptural leaves of a snake plant or the lush foliage of a Boston fern, bringing nature indoors can be a simple way to give your home more character.