This fast acting fertiliser provides your plants with a booster feed of potassium.This increases strength and vigour in plants and improves resistance to weather conditions and disease.It also promotes the development and colour of blooms and improves fruit yields. It is particularly beneficial to tomatoes.It can be used throughout the growing season by applying evenly and hoeing or forking in to the top surface of the soil. When dry, it should be watered in for maximum benefits.