Mild white spring onions, both the leaves and the onion, are great in salads, for example. How do you grow? Small white bulbs form at the base of the plant if it is left in the soil. Winter hardy, and can be harvested in late autumn, and early winter. Seeds that have been grown organically. Sow outside in the summer or pre-cultivate indoors in the spring. Seeds prefer to sprout in the dark, so cover them gently. Germination is the best at 15 degrees. Yard Etc Seed Packet Spring Onion \'White Lisbon\' Allium Cepa Mild White Spring Onions Delicious Perfect For Salads 150 Seeds Description by: Vik