Early-maturing onion varieties with attractive skin colours and elliptical shapes. Both varieties in the mix have good storage potential. This type of onion is a favourite with cooks and chefs as it slices uniformly, making perfect onion rings for a variety of different dishes.Sow seed indoors in individual pots or a seed tray at a depth of 6mm (¼in) using free-draining, seed-sowing compost. Place in a propagator or seal container inside a polythene bag at a temperature of 15-20°C (59-68°F) until after germination which usually takes 10-12 days. Once germinated, grow on at a temperature of 10-15°C (50-59°F) until all risk of frost has passed and plants are large enough to plant outdoors at a distance of 10cm (4in) apart. Cover with a protective netting or fleece to prevent attack from birds and insects. Water thoroughly after planting and as bulbs swell.Alternatively, sow thinly outdoors from mid-March to mid-April at a depth of 1cm (½in) and a distance of 30cm (12in) between rows.