Relax And Breathe Easy With Houseplants
By Ellen Brown
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The Psychological Benefits of Plants
When you stop to think about it, it's easy to see the significant role plants play to our psychological and spiritual well-being. Plants are highly symbolic. On a conscious level, they're cheerful, inviting and aesthetically pleasing to look at. They bring warmth and beauty to our interior spaces. Human beings cannot survive without plants. On the subconscious level, they represent our connection to life, health and hope for the future. That's probably why you seldom see a plant-free wedding, funeral or holiday or visit a hospital, dentist or other interior landscape without seeing plants.Studies have shown that plants have a positive, measurable effect on the humans that interact with them. Just the mere sight of them decreases stress, increases productivity and puts people at ease. This is also why plants are often used in advertising and found in commercial settings like office buildings, hotels and restaurants.
The Physical Benefits of Plants
In addition to the psychological benefits offered by plants, they also offer some very important physical benefits. Plants increase air humidity and extract carbon dioxide from the air while replenishing oxygen. Certain types of plants, like Aloe for example, also have known healing properties. But did you know that they also act as air purifiers. Studies conducted in the mid-80s by researchers at NASA in conjunction with the Association of Landscape Contractors of America, found that certain houseplants are effective at reducing indoor air pollution. Researchers studied 17 different types of houseplants and two types of flowering plants (chrysanthemums and gerbera daisies).Plants were placed inside sealed chambers, which were then injected with formaldehyde, benzene and trichlorethylene-the types of harmful chemicals found in the carpet, furniture, cleaning products, paints and adhesives of a typical household or commercial building. According to the study, the plants filtered out 87% of the pollutants within just hours after the chemicals were injected into the chambers. Since that time, various laboratories have continued to conduct experiments on over 42 species of plants. A plant's foliage filters out low levels of pollutants, while a plant's root microbes are capable of filtering out higher levels of pollutants. It's also been found that many tropical plants, which naturally excrete substances that protect their leaves from airborne molds and mildew, will continue to suppress airborne mold spores and bacteria when placed in an indoor environment.
How to Create Healthy Indoor Air
Plants can't completely purify your indoor air by themselves. For example, plants are not good at filtering indoor pollutants caused by smoking. To maximize the air filtering properties of your houseplants, you need to minimize your use of chemical pollutants. Switch to earth-friendly paints, cleaners and adhesives, and replace worn out carpets and furniture with products made from organic, natural fibers. To utilize the air purifying properties of plants, use 1-2 medium to large plants (14"-16" containers) for every 100 square feet of interior space.All plants will help contribute to healthier indoor air, but certain species are better at filtering out harmful pollutants than others:
- Aloe
- Bamboo
- Chrysanthemum
- Chinese Evergreen
- Dracaena (cornstalk
- Janet Craig, warneck and red-edged)
- Dwarf Bananas
- English Ivy
- Gerbera Daisies
- Golden Pothos
- Peace Lily
- Philodendron (heartleaf, elephant ear, selloum)
- Snake Plant
- Spider Plant
- Weeping Fig
About The Author:
Ellen Brown is our Green Living and Gardening Expert. Click here to ask Ellen a question! Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services. Contact her on the web at http://www.sustainable-media.com
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