Introducing the Hydrous Watering Sticks, a fail-safe way to keep houseplants hydrated. Whether you’re a forgetful plant waterer or spending a few days away from home, our useful self-watering sticks automatically provide water to potted plants.Available in two sizes for short- and longer-term self-watering, the Hydrous Watering Sticks are made from porous clay to slowly release water into the surrounding soil. Make over- and under-watering potted plants a thing of the past with the Hydrous Watering Sticks