50 Houseplants That Are Healthy to Keep at Home

12. Cactus is ideal for anyone who follows the “set and forget” model for watering their plants.

If you want a plant that you can set in a window and forget for weeks at a time, a cactus is the plant buddy for you! While they often don’t have leaves, cacti are still excellent air purifiers and have the unique ability to remove some types of radiation from the indoor environment. Much like with succulents or philodendrons, there is a cactus for everyone. Giant, broad pad cacti like Prickly Pear are beautiful centerpieces, while some small flowering cacti are quite whimsical. Cacti require bright, even direct, light, and very infrequent watering.