Organic Universal Lawn Feed by Viano is made from natural products & fertilises lawns for 12 weeks This 20kg bag covers 400m 2 & is best applied from March-August Granular organic fertiliser Ingredients: nitrogen, phosphate, potash + magnesium of 7-5-8+3 Lawn comfort food 20KG bag Organic ingredients Feeds lawns for up to 12 weeks Works best between March-August unless weather is extreme