A specially formulated plant food, providing exactly what acid-loving or lime-hating plants need for optimum growth and flowering. Miracle-Gro contains sequestered iron, which is essential to stop leaf yellowing. The fast acting formula means your plants should be visibly greener and faster growing within just two weeks. By also helping the plant develop a stronger root system, your plants will be more resistant to droughts. Perfect for use on plants such as Berberis, Conifers, Magnolia, Heather, Hydrangea, Orchids, Pieris, Raspberries and Skimmia. Suitable for both houseplants and outdoor plants. For quick and easy application of this product, use the Miracle-Gro Feeder. NPK Fertiliser 16-6-16 with micronutrients. Always read the label on your purchased product before use.