Large Elongated Onions Are Extra-easy To Cut & Prepare On Account Of Their Unusual Yet Handy Torpedo Shape.sowing Indoorsin January-march Sow Thinly 1cm (1/2in) Deep In Clean Trays Or Modules Of Firm Pre-watered Compost. Place In Warmth 10-15°c (50-60°f) & Keep Moist At All Times. sowing Outdoorsin February-march Sow Thinly Into Pre-watered Soil 1cm (1/2in) Deep, 10cm (4in) Apart In Rows 30cm (12in) Apart. Keep Soil Moist At All Times.planting Outplant Out In April 10cm (4in) Apart In Rows 20cm (8in) Apart.harvestingharvest Onions As Leaves Yellow & Wilt Over In July To August. Carefully Lift With A Fork On A Dry Day.lift Onions & Spread Out To Dry Once Tops Have Gone Over Naturally Before Storing For Winter Use.