Half hardy annual. Scented.
Sew seeds in seed tray or propagator March-April. Keep temp at 60-70F. Cover with brown paper and polythene/glass. When the seedlings appear, remove brown paper. Keep compost moist but do not overwater. Thin out seedlings when first set of leaves appear to 2cm apart or transplant to 4cm pots. Harden off in a cooler room and eventually out of doors for about 7 days before planting out in situ.