I was on some allotments at the weekend and was struck how bare and scruffy they look at this time of year. We've passed the Spring equinox, but seedlings…
This plant needs good drainage. If planting in a heavy clay soil, add grit in planting holes. Grow in a sheltered position.
By seed in spring or autumn or by offsets in autumn.
Pests, diseases or disorders
Prone to white rot, downy mildew, eelworm, rust and onion fly.