Westland peat free Tree and Shrub Planting & Potting Mix has been specially developed to give gardeners the ideal medium for planting trees and shrubs.6-month slow-release feed for sustained growthPromotes rooting for fast establishmentReduces stress from transplantingOur peat free Tree & Shrub Planting & Potting Mix has been specially blended to support plant health, strengthening trees and shrubs from the inside out. With 6 month slow release feed and added zinc complex, this blend ensures your best ever trees and shrubs.