A variety with a beautiful, white husk and a sweet, delicate flavour. STERLING F1 has a very strong root system thanks to which, even under unfavourable conditions, the producers obtain high yields from this variety. It produces very large with a diameter of up to 710 cm, attractive, spherical onions that can be used for sale on the fresh market and for industry on peeled onions. STERLING F1 has resistance (IR) to pink root rot (Phoma terrestris) and fusaria rot onions / Fusarium oxysporum f.sp. Cepea / and also powdery mildew