Spring Onion White Lisbon (RHS Award of Garden Merit)

Additional Details

When to Sow White Lisbon Spring Onion Seeds

February to July.

Where to Sow

Early sowing can be made underglass in modules, sow 4-5 seeds per module on the surface of seed sowing compost and lightly cover with a sprinkling or vermiculite or compost, and place at a temperature of 14°C. 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 modules do not require thinning and can be moved to a cold frame in April to harden off before planting outside 7cm (3in) apart for clusters of salad onions. Outdoor sowings can be pulled and used as required.

Maturity

White Lisbon spring onions will be ready to harvest in 12 weeks from sowing.

Handy Tip

Ideal for successional sowing for all Summer crop. As they are in the garden for such a short time, they can be grown in between slower growing vegetables.

Nutritional Values

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.