Sow at 15-20°C (60-68°F) in pots or trays using a good quality compost, cover the seed lightly with a sprinkle of compost, or vermiculite. Place in a polythene bag or propagator and keep the soil moist at all times. (Germination 14-21days.) When the seedlings are large enough to handle transfer into pots or trays and grow them on in cooler conditions. When the risk of frost has passed, acclimatise to outdoor conditions over 14-21 days before planting out.
Ideal for beds and borders, patio pots and containers, greenhouse. Suitable for cut flowers. Prefers full sun or partial shade. Feed throughout the summer for the best blooms.