Sow in a propagator on a windowsill or pots or trays in greenhouse at 18°C-21°C (65-70°F) using a quality compost. Cover seeds with 6mm (¼") of sieved compost. Germination 8-12 days. Transplant seedlings when large enough to handle singly into 7.5cm (3") pots, grow on, finally transplanting into hanging baskets or tubs (one plant per 30cm (12") basket). Water and feed regularly with a proprietary fertiliser. No stopping or pinching required. Sowing - Cropping: 18-20 weeks.