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Not only are green and flowering plants a great enhancement to any home or office decor, they are also beneficial to your health. The results of a study by the National Aeronautics and Space Administration (NASA) show that common houseplants are powerful, natural air cleaners -- all the more reason why you want to keep your plants healthy with the proper care.

While they usually come with care instructions specified for the type of plant, the Society of American Florists offers these general guidelines to keep most green houseplants thriving:

Keep plants in medium-light locations
Natural light is best, however, some plants also can thrive in office fluorescent light. Most flowering potted plants should be placed in areas with the most light in order to maintain good flower color and promote the maximum number of flowers to open. Foliage plants will do well under lower light levels and can be placed in areas providing reduced light.

Plant soil should be kept moist at all times
Plants should not be allowed to dry out or wilt. However, avoid overwatering; do not allow plants to stand in water. Avoid wetting leaves.

Avoid excessive heat or cold
Plants should be maintained between 65 to 72 degrees Fahrenheit for best performance.