Grow Onion Showmaster, Colossal In Size & Sweet-flavoured, To Get Impressive Crops Of Big Onions. Just Choose A Sunny Site & Grow In Soil That Is Free-draining. Grow In Direct Soil Or In Large Pots To Suit Your Needs, Incorporating A Good Compost Suitable For Vegetable Growing. you Can Even Grow This Variety To Super-size Proportions (records Have Got To 2kg) If You Want To Present It At A Local Village Show & Raise Some Eyebrows. for Impressive Crops We Recommend You Give Your Onion Plants Supplementary Lighting From Uv Lamps. You Can Still Get Impressive Onions With A Sweet Flavour Similar To Spanish Onions, Even Without Lighting & If You Are Growing For The Family, Children Will Still Be Suitably Impressed With The Large Size.