Sold in 9cm pots. 
Please note: these have just been potted on from plug plants into 9cm pots. Keep in pot until fully rooted, before potting on or planting out. Keep soil moist.
See individual listings for more info.
Care requirements: Plant in full sun or partial shade, in a sheltered location, and a moist, free-draining soil. Deadhead spent flowers to encourage continual flowering. A hardy perennial in milder locations, but you may wish to either mulch or pot up and store in a frost free location during winter.
Hardy, depending on location. Mulch well or dig up, cut back and overwinter in a frost-free location.