For an convenient and easy way to grow potatoes on your patio look no further than our Potato Growing Bags. These durable black/grey bags hold 8 litres of compost and the black and grey colouring prevents light reaching the developing potato tubers for healthy and delicious crops; and absorbs heat for a quick start in the spring. Gardening – the trials team did their own testing and experienced the same 186% boost in yield. Reuse next year by folding flat over winter and requiring minimal storage space. Dimensions: 8 x 11 Bags contain a minimum of 30% Recycled Material.