Sow thinly in a windowsill or trays in a greenhouse at approx 10 to 15 degree celsius using quality compost cover seeds with 6mm sieved compost Germination 14 to 21 days Grow on in pots and being to use leaves when plants are approximately 15cm tall sow every 3 to 4 weeks for succession. Alternatively grow on to plant or sow outside in containers borders 23cm apart