Onion Toughball F.1 hybrid . A great kitchen onion for early onions in July/August. Onion Toughball F.1 hybrid has won the UK National Vegetable Society Championships many times as a show onion, unbeatable when grown well.
This variety matures several weeks earlier and they give you the head start you need to get an extra finish on them, which wins the shows.Sow in August/September and plant out under cover in October, harvest late May early June the following year.
Culture: Sow in Modules/Pots in August/September and plant out under cover in October or sow in January in the greenhouse at 18c, plant out at the 3/4 leaf stage 6 inches apart all ways, on good fertile ground. The best clean unmarked onion are grow under cover. To ripen place in a totally dark cool building with lots of forced air on them.