Boosts flowering and ripening of fruit A quick acting fertiliser which boosts flowering and the ripening of fruit, Sulphate of Potash improves both the strength and vigour of plants. Containing the essential nutrient potassium, Sulphate of Potash provides plants with greater resistance to weather and disease, as well as promoting the development and colour of flowers and increased fruit yields. Sulphate of Potash: Fast acting Particularly beneficial to tomatoes, cane fruit and blueberries Promotes bigger, vibrant blooms Perfect for a variety of uses including flowers and shrubs, vegetables and tomatoes, fruit trees and bushes. Sulphate of Potash can also be used as a liquid feed, just simply dissolve in water. Sulphate of Potash can be hoed or raked into the surface of the soil, or used as a top dressing. Apply once or twice during the growing season. Always shake off any excess fertiliser from leaves or stems.