Encourages Healthy Growth & Produces Bigger Blooms Quick & easy to feed. Ideal for all plants indoors & outdoors Easy to use 1 Kg bottle Doff Multipurpose Controlled Release Fertiliser presented in a 1 Kg bottle containing a blend of slow releasing granules plus fast acting plant food providing nutrients when plants need it most. Easy to use and ideal for hanging baskets and containers as well as other shrubs, plants and vegetables.