Hi-Yield Super Phosphate 0-18-0 is an affordable and highly effective source of phosphorus, an essential nutrient that supports strong root development, healthy stems, and vibrant blooms in a wide variety of plants and bulbs. This fast-acting fertilizer is ideal for promoting early growth in new plantings, improving flower production, and enhancing the overall health and vigor of your garden. Suitable for use on flowers, vegetables, shrubs, and ornamental plants, Hi-Yield Super Phosphate provides the nutrients plants need to thrive and reach their full potential.