A hardy annual that can grow to around 300mm (12") high with a spread of 200mm (8").

The flowers come in many colours and appear in early July.

Week 14; Sow the seeds in pots/trays of seed compost and germinate at 18°-21°C (64°-70°F) 

Germination should take about four to five days.

Week 16-18; If large enough to handle, prick the seedlings out into cell-trays or boxes of potting compost and grow on at same temperature for a week to ten days.

Week 18; Place in coldframe to harden off till planting out time.

Week 21; Plant out when all fear of frost has passed

They are best suited to a light sunny site with moist soil excessively rich soils can encourage foliage at the expense of flowers.