Leek Musselburgh should be sown outdoors thinly in a seedbed, 1.5cm deep directly into finely prepared soil which has already been watered.
- Seedlings usually appear in 14-28 days.
- Water well until plant are established.
- Transplant 15cm apart into 15cm deep holes made from a dibber.
- Allow 30cm between rows.
- Water seedlings, but do not fill holes with soil.
- As plants grow, draw up soil into them to improve length of blanch (white stem).
- Sow indoors 0.5cm deep, in a tray of compost.
- Water well and place in a cold frame or unheated greenhouse.
- Keep moist.
- Transplant 5cm apart to other trays when large enough to handle.
- Gradually accustom young plants to outside conditions, avoid frosts, before planting out.
- Average 500 seeds