We all could benefit from a cheap and beautiful way to improve a home's indoor air quality. That's why I'm bringing you an ongoing series on house plants that are particularly good at purifying the air.

Next up in our series is the peace lily.

Peace lily, which is also known as the friendship plant, produces an abundance of long, dark leaves and, if it receives proper amounts of sunlight, fertilizer, and water, the lily will produce a beautiful bloom that looks like a small ear of corn covered by a white hood. Most peace lilies grow between 1- to 4-ft. tall and wide.

The peace lily will tolerate low, interior light but thrives in bright, filtered light. But like fair-skinned folks, the peace lily will sunburn if placed in bright light. This plant prefers well-drained soil and minimal fertilizer. Wipe the leaves with a damp, soft cloth to remove dust. If your plant isn't flowering, try placing it in brighter — but not direct — light to encourage floral growth. If the edges of the leaves turn brown, you can reverse the problem by either watering more regularly or reducing fertilization.

Make sure to check out Sgdish's beautiful peace lily that she posted in Su Casa.

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