inferno' has been bred in Cornwell, UK by Steve Yandall. It has a vigorous upright habit and cerise pink flowers bourne in summer. Hardiness hardy to -5cm. Foliage Glaucus green. Habit upright up to 1.5m and 0.8m spread. Culture for best results , plant in well - drained soil, grown in full sun or a partial shade location. Pot Size 2lt.