Rossa Lunga di Firenze Onion Seeds (Aimers International) Heirloom Vegetable. Variety originated in Italy. Very mild, sweet tasting red onion. Elongated bulbs range from 7.5-10 cm (3-4”) in length with a red skin covering crisp, juicy sweet flesh. Superb for fresh eating, salads, roasting or pickling. Matures in 90-100 days.