Use Ross root feeder refills to keep your trees and shrubs healthy and beautiful by fertilizing them while you water. Premeasured refills make for fast, mess-free fertilizing. Ross root feeder refills for trees and shrubs ensure that you have healthy trees all season long. Specially formulated with high-levels of nitrogen, these pre-measured refills give your trees and shrubs the perfect balance of nutrients. Apply directly to the roots with your Ross root feeder as you water for fast, easy, mess-free fertilizing.We want gardening to be enjoyable, that’s why our products make your projects easier, from installing landscape fabrics to applying fertilizerLike any living thing, plants need food and nutrients, this product spurs a healthier, better-producing gardenGet more out of your garden products, this one can be used for multiple projects across your garden and landscaping needs