Specially formulated to provide the perfect growing environment for roses, trees and shrubs, this premium compost contains nutrients that will feed your plants for up to 5 weeks. The added John Innes formula retains and releases water for longer, providing your plants with all they need. In addition slow release phosphorous has been added to promote healthy root growth and establishment. A special wetting agent makes it easier to rewet after drying and horticultural grit allows air and water to move freely for healthy growth Size 60 Litres