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In the modern times of urbanization, the indoor air is more polluted than the outside air, as both the development and pollution are going hand in hand.  Its high time to flip to the challenge we are facing and take some effective measures to make the surroundings healthy and productive.  Indoor air purifying plants are the solution to control pollution.

The air inside our home contains many carcinogenic volatile organic chemicals and off-gases which negatively affect our body and cause many ailments.  The chemicals which are found inside our home can be found in our regular household synthetic products such as furniture, cleaning solvents, paint, printers, carpets, tissues or paraffin wax candles.  As it is not that easy to avoid these daily based products in the modern times so it is better to go for the healthy and natural air purifiers which are none other than plants which reward us in tons. 


Many indoor plants found to be more beneficial and efficient than other artificial air purifiers, even removing 90% of the indoor pollutants in the air within a day.

According to NASA, clean air study on indoor air purification and landscaping reported many plants are rated based on the efficiency of toxic removal.  The former scientist Dr. Wolverton says that the foliage plays a vital role in cleaning the toxins, bigger the size of the foliage the ability to remove the toxins also will increase.  The very popular and significant toxins which occur in major proportions inside our home or office are:




So, after knowing all these benefits and significant properties of the indoor air purifying plants, with no queries and hesitations in your mind its good to bring these natural air purifiers to your home or office.  These are much less expensive, healthy and improve the aesthetics of the surroundings.  It is a wise thing to invest very less in the plants than investing in very exorbitant electric air purifiers which in turn have many side effects. 


Dwarf Azalea:

Dwarf Azalea indoor plant


The scientific name of Dwarf Azalea is Rhododendron simsii “compacta”.  It is commonly known as indoor Azalea.  Azaleas are native to several continents including Asia, Europe, and North America.

Rhododendron simsii is also called as Rhododendron Indicum, which are popular ornamental plants and grown as indoors in Southern US, Southern Asia and parts of Southwest Europe.

Azaleas are more popular and familiar s indoor flowering plants rather than outdoor ones which are useful as outdoor landscaping.  Indoors Azaleas are blooming one which gives beautiful flowers to look and they add a great sense of beauty and aesthetics to the place it as added.  It stands as a center of attraction to your home or office.

Indoor Azaleas became more popular for its appealing appearance.  Apart from its beauty, it also plays an important role in detoxifying the indoor air by removing the toxins and other airborne pollutants.  According to the clean air study by NASA, indoor Azaleas can effectively clean indoor air by removing the carcinogenic chemical like formaldehyde which found in significant proportions in indoor air. 

It is best suitable to the indoor environment like they prefer to stay in cool temperatures with indirect sunlight, at time of blooming they should be kept in sunlight at least for 6 hrs and the soil should be kept moist.  They grow to a height of about 45 to 60 cm (18 in – 2 ft)

Indoor Azaleas are classified as highly toxic to pets and kids.

Wax Begonia:

Wax Begonia the indoor plant

Wax Begonia is one of the species which belong to the genus of perennial flowering plants,  it belongs to the family Begoniaceae.  It is commonly known as Wax Begonia, Wax leaf Begonia.

It is considered the best indoor air purifying plants which stands as a masterpiece to the home or office in the blooming period, especially in summer seasons.  They will produce white and pink flowers, you can enjoy looking them ongoing all the summer and remove wilting blooms to get the new blooms.

It is a wonderful indoor plant which is not only useful in interior landscaping and also detoxifies the indoor air by removing toxic chemicals.  According to the clean air study conducted by NASA, they reported and listed out Wax Begonia is the natural air purifier which can effectively remove benzene and other airborne toxins from indoor making the air more healthy and easy to breathe.

Wax Begonia prefers to stay in bright indirect sunlight with moist soil and also in humid temperatures.  It is a good house indoor plant that looks great as a container plant.  Wax Begonia is a wonderful bedding plant, especially the geometry of the plant makes a perfect plant for mass planting.

It is classified as a toxic plant to pets.


Poinsettia the indoor plant

It is scientifically known as Euphorbia pulcherrima and it is from the family of Euphorbiaceae.  It is commonly known as Poinsettia and Christmas star.  Poinsettia is an indigenous species in Mexico.  

It is particularly well known for its red and green foliage and it is widely used in Christmas floral display.  Poinsettia isn’t just the holiday plants, you can also keep them for rest of the year.  The plant blooms only for a short period.

The poinsettia is the best top listed indoor air purifying plant declared by NASA’s clean air study report which is helpful to clean out the indoor toxins. These are excellent add ups to our indoor which not only increase the aesthetics of the place and also clean the place by removing the carcinogenic chemicals like formaldehyde that exist in most of our household items which we use on daily basis.

These are easy-going plants and very good indoor plant’s which should be provided with bright indirect sunlight and should be watered regularly and should avoid the soil from during out.

It is considered a non-toxic indoor plant, which is a safe plant to grow in indoors.

Norfolk Island Pine:

Norfolk Island indoor plant

It is scientifically known as Araucacia heterophylla, it belongs to the Araucariaceae family.  It is commonly called as star pine, polynexian, triangle tree or Christmas tree.  The genus Araucacia can be seen across the South Pacific, especially concentrated in New Caledonia.

It has gained Royal Horticulture society’s award of garden merit.  In addition to it, the NASA also declared as the indoor air purifying plant which helps to remove all the volatile organic chemicals from the air which makes the air more healthy and easy to breathe by absorbing the toxins from the air.  The wood of large trees is used in construction, furniture, and shipbuilding.

It prefers bright light locations, and water the plant by checking the topmost soil avoid over or under watering and should be provided with proper aeration and draining system.

It is considered as the toxic plant to both cats and dogs.

Urn plant:

URN the indoor plant

It is scientifically known as Archmea fasciate, it belongs to the family Bromeliaceae.  It is a species of flowering plant which is native to Brazil.  It is commonly known as a silver vase, urn plant.

The bromeliads are one of the main popular ornamental plants cultivated mainly in greenhouses which helps to control and modify the microclimate inside the greenhouse.  It has gained the Royal Horticultural Society award of garden merit.

According to the clean air Study report by NASA, the Urn plant improve the indoor air quality by releasing the oxygen and absorbs the toxic carbon dioxide even during the night, so this plant is best used as a bedroom plant.

Bromeliads prefer low to bright light, and they are extremely adaptable to light requirements.  Depending on the variety, they will grow well in low light to bright light and they can also survive in artificial light like a fluorescent light.

It has elliptical oval-shaped leaves and arranged in a basal rosette pattern.  It is a seasonal blooming plant, the blooms are very beautiful with violet to red.

It is classified as a toxic plant. 

Oakleaf Ivy:

Oak Leaf Ivy the indoor plant

It is scientifically known as Cissus rhombifolia, it belongs to the Vitaceae family.  Oakleaf Ivy is native in the area from Mexico to Columbia.  Some of the common names of this Ivy are Grape ivy, oakleaf ivy, Venezuela Treebine.

Cissus rhombifolia is one of the most popular familiar ivy from ages which is used by interior landscaper and plant enthusiast as it is a very easy-going plant which is most tolerant and can survive well in indoor growing conditions.

The foliage of this ivy resemble the grape leaves so it got the name as grape ivy.  In the clean air study conducted NASA reported the Oakleaf ivy as the best indoor air purifying plant which can remove some of the carcinogenic chemicals and airborne pollutants from indoor air.  The rate of efficiency of toxic removal is about ‘4/10’.  The water transpiration rate is about ‘5/10’.

It is a very easy-going plant which requires low care and maintenance.  The location it prefers to stay happy is medium bright light i.e part sun part shade location, it needs to be watered moderately, it is a plant which is sensitive to overwatering

The color of the foliage is blue-green, it grows to a height of 36-48 in. (90-120 cm) and the growth rate of this ivy in a year is about 40-100 cm. (15-40 in.).  The best part is it can survive for many years, all these are the very suitable and apt conditions for an indoor plant to grow well.  It is suitable to grow in containers, as it looks great in hanging baskets.

It is classified as non-toxic plant to pets or kids.


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  1. Hey Prathibha,
    Thanks so much for posting such an amazing article.
    I have some wax begonias and am really happy to read that they are among the few indoor plants that purify the air in the approved Nasa list.
    I was on the verge of adding more plants in my house but didn’t have a clue on which one until I read your article.
    I have been drawn to the beauty in Azaleas and poinsettia and so am going to purchase some for my home.
    It’s my hope that they will perform well,..
    Your article is great! This leaves me with a great urge to share it. And am doing it right now.

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