In this Feb. 13, 2012 photo, insecticidal soap is sprayed on an orchid plant in order to kill scale insects in New Paltz, N.Y. Savvy gardeners were using soap sprays for centuries until DDT and other ...

There's a way to automatically bring fresh water to your indoor plants, and it's right in your house. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food ...