This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.

• Position: partial shade
• Soil: moderately fertile, humus-rich, moist, well-drained soil
• Rate of growth: average
• Flowering period: April to July
• Hardiness: fully hardy
  
  This delightfully elegant perennial has amazingly vivid light to mid-blue flowers. ‘Porcelain Blue’ blooms over long periods and is remarkably robust for such a delicate looking plant. Honey-scented, soft glaucous foliage makes this a must have plant for your pots, containers and borders!
  
  
• Garden care: Cut back stems to near ground level during November, earlier if self-seeding is a problem. Lift and divide congested colonies in the autumn.