This bushy selection produces silver-grey foliage and spikes of deep violet-blue flowers over a long season, blooming a few weeks before most other types.
Position: Grows best in a sunny position,
Soil: Prefers well-drained soil.
Watering: Water during dry periods.
Fertilising: Benefits from an annual feed with diluted liquid fertiliser.
Use: Ideal for cottage gardens, in bedding and borders.
Grow tips: Prune after flowering to maintain a compact habit.