Daltons Premium Tree & Shrub Fertiliser is specifically formulated for most tree and shrub varieties, including New Zealand natives. It provides a balanced supply of nutrients for up to 3 months, promoting healthy foliage and vigorous root growth. Daltons Premium Tree & Shrub Fertiliser also contains a balanced blend of trace elements including magnesium and iron. Its chloride free formulation makes it safe to use with all trees and shrubs.