DTE Tree & Shrub has been specially formulated to nurture transplanted bare root trees, ball and burlap shrubs, and outdoor container plants. With a nice middle-of the-road NPK of 4-2-4, this fertilizer has the nutrition that plants need but it also contains eleven strains of mycorrhizal fungi that promote root development and build tolerance for stressors. When you use this product you are helping to ensure survival, rapid establishment and overall success for your plants. Although DTE Tree & Shrub was created with young trees and plants in mind, their mature counterparts will appreciate its benefits as well. Helps plants fight transplant shock, drought and environmental extremes For use on trees, shrubs, vines and outdoor container plants Shop All Down to Earth products here .