Katie Holdefehr is a senior editor at RealSimple.com, where she covers all home-related content, from paint colors and house plants, to cleaning and organizing. She is the host of Real Simple’s cleaning video series, Spotless, and is always on the lookout for the best all-natural cleaners. When she's not writing, you'll find her installing wainscoting and planting rose bushes at her 90-year-old Brooklyn apartment.