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15 houseplants for improving indoor air quality

By: Julie Knapp on March 1, 2010, 11:50 a.m.
Weeping fig

Photo: dugasj/Flickr

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Weeping fig (Ficus benjamina)

A ficus in your living room can help filter out pollutants that typically accompany carpeting and furniture such as formaldehyde, benzene and trichloroethylene. Caring for a ficus can be tricky, but once you get the watering and light conditions right, they will last a long time.