Miracle-Gro Premium Bulb Fibre Compost provides a unique combination of 14 vital minerals. N/P/K, Nitrogen is used by plants for lots of leaf growth and good green colour. Phosphorous is used by plants to help form new roots, make seeds, fruits, flowers and fight disease. Potassium helps plants make strong stems and keep growing fast. Additionally, there are 11 more minerals such as iron, iodine, fluoride, copper, zinc, chromium, selenium, manganese and molybdenum which are vital for maintaining plants health.
Feeds for up to 3 months.