Treegator® Slow Release Watering Bags are an easy to use watering system that is made in the USA and has been trusted by industry professionals worldwide since 1991. Two models available: Treegator® Original for shade trees, and Treegator® Jr. Pro for low-branch trees or shrubs. Average drip time is approx. 5 to 8 hours. Fill once per week for most new plantings.