50 Houseplants That Are Healthy to Keep at Home
38. Azaleas are a simple stress reliever, so keep them close – unless you’re unable to handle pollen!

Azaleas can grow outdoors in warm climates but make a beautiful indoor plant to either overwinter or keep indoors year-round. Their stunning blooms reduce stress and improve mood, but allergy sufferers note that they do produce a fair amount of pollen. These houseplants excel at removing formaldehyde from the air and are a valuable addition to any houseplant collection for air purification. They also provide a decent amount of oxygenation. However, what sets them apart are their lovely mood-lifting blooms in several soft, gorgeous colors ranging from white to purple, pink, orange, red, and yellow.