Perennial

 

  • Sow: undercover with warmth (greenhouse, propagator, inside house) 24-27 degrees,  in February/March, or sow in Autumn, in seed trays or modules, don’t the seed but sow on the surface, they need light to germinate.
  • Plant out into their final flowering position once they have outgrown the pots, plant at 30cm spacing. Full sun, any soil, mid to back border. Flowers: June-November.