Azalea & rhododendron fertiliser An extended release pelleted fertiliser specially designed for conifers, trees and shrubs, including azaleas and rhododendrons. Vitax Conifer & Shrub fertiliser contains the vital plant foods and trace elements for early establishment and vigorous plant growth. The extended nitrogen release ensures nutrients are available as the plants grow Now the traditional benefits of Vitax Conifer & Shrub Fertiliser are available in an easy to handle, low dust, pelleted form