Our Spring Onion White Lisbon Seeds are popular and very easy to grow, producing spring or salad onions with crisp, white stems and bright green tops. Slow to bulb and very quick from seed to harvest. Can easily be trimmed and then frozen for later use, handy if required for cooked dishes. Sow outdoors from March to June, ready to harvest from May to October. Average pack contains 450 seeds.Warning:Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use.