Unwins Onion Fasto F1 Seeds produce uniform golden-skinned bulbs with impressive yields and early maturity. Sow indoors from February through April for reliable establishment. This heavy-cropping F1 hybrid stores exceptionally well for several months in cool, dark conditions, providing extended kitchen availability. Sweated down, Fasto develops rich, caramelised depth perfect as a flavourful foundation for soups and stews.