Spring Onion Lisbon should be sown outdoors thinly where they are to crop, 1.5cm deep directly into finely prepared soil which has already been watered.
- Allow 15cm between rows.
- Seedlings usually appear 14-21 days.
- No thinning is required, but keep well watered in dry spells.
- Regular sowings made every two to three weeks will ensure a continuous supply through the summer.
- August to September sowings will be ready the following spring.
- Average 650 seeds