Armstrong F1 is a very productuive maincrop. It is a Rijnsburger type with beautiful coloured strong skin and has an excellent long keeping quality.
One of the most popular crops for the gardener, onions are a huge must for any allotment holder or for the gardener who has their own little vegetable garden at home, as they are so versatile and can be used for a variety of different things.
WHEN TO SOW
February to April
Where to Sow
Early sowing can be made underglass in pots or seed trays , sow seed on the surface of seed sowing compost and lightly cover with a sprinkling or vermiculite or compost , and place at a temperature of 14C. Outdoor sowings can be made in April , sow seed thinly in shallow drills 1.5cm (1/2in) deep, with rows spaced 30cm (12in) apart.
What to do next
Greenhouse sown seedlings can be pricked out into individual pots or modular trays. Move plants to a cold frame in April to harden off before planting outside 15cm (6in) apart. Outdoor sowings can be thinned gradually until plants are 15cm (6in) apart , then leave to mature as smaller bulbs for storing.
August to September
Pull the thinnings carefully and remove from the site to avoid attracting onion fly. Thinnings can be used as salad onions.
Antibacterial and Antiseptic properties, due to beneficial sulphur compounds. A good source of antioxidants, such as quercetin and anthocyanin, also high in Vitamin C, Calcium and Iron.