Black/Grey Potato Growing Bags - Make growing potato crops so much easier this year with these potato growing bags! These robust black/grey growing bags are ideal for growing potatoes at home on your patio. They are reusable, durable and can be folded flat when not in use so are very easy to store. Easy to use and very convenient, each bag can hold 8 litres of compost and we recommend planting a single tuber per bag for the best yield. In March 2016, Which? Gardening confirmed this in their own trials, seeing a 186% boost in yield! The dark colouring of these bags reduces the amount of light reaching the developing crop but allows in the right amount of heat for a quick start in spring, ensuring healthy and delicious crops. Supplied as 20 x 8 Litre Growing Bags Images shown are for guidance only of the expected results from plants upon maturity. Different growing conditions might vary results. Image may be included for illustration of supply but can vary due to seasonality changes (e.g