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

• Position: full sun or very lightly dappled shade
• Soil: fertile, deep, moist soil
• Rate of growth: fast
• Flowering period: June to August
• Hardiness: fully hardy
  
  Quickly forming an upright clump, which throughout the summer is topped with poker-like spikes of rose-pink flowers. This moisture-loving perennial is useful for adding colour to the bog garden or pond margin, where the showy flowers will help attract pollinating insects.
  
  
• Garden care: It self-seeds freely, so if you want to control its spread remove the flowerspikes as they fade.