Almost fill a seed tray with moist seed compost. Sow seeds thinly over the surface, and lightly cover them with a little more compost. Place in the warmth, 10-15°C and keep moist.
Keep seedlings in a light position, but shade from direct sunlight. When large enough to handle, transplant 5cm apart into trays of potting compost.
Gradually accustom plants to outside conditions for 2-3 weeks before planting out from late April onwards. Allow 15cm between plants.
