50 Houseplants That Are Healthy to Keep at Home

9. Chrysanthemums are among the perennial top air-purifying plants.

Chrysanthemums, or ‘mums,’ can bloom in low light and do not require extra care beyond proper nutrition and drainage. They’ll brighten up your room when they’re in bloom – typically for about six weeks – and just need a little light during the day. Mums can also be used in herbal teas and sometimes, even pesticides! They’ll purify the air of toxins like formaldehyde, xylene, and ammonia. Pet owners beware, however: Mums are toxic to cats and dogs. They can cause a litany of undesirable side effects, so it’s best to keep them out of reach.