H7 - Hardy in the severest European continental climates (< -20)
South-facing or North-facing or East-facing or West-facing
Exposed or Sheltered
Moist but well-drained
Loam, Chalk, Sand, Clay
Acid, Alkaline, Neutral
Time to Ultimate size
About 2-5 years
How to grow
Will grow in any garden soil but avoid excessive winter wet, dislikes being moved around. Can spread rapidly once established.
Propagate by division in early spring or autumn, or propagate by root cuttings.
Suggested planting locations and garden types
Flower borders and beds Cottage & Informal Garden Coastal.
How to care
Cut back in late autumn
Prone to slugs and caterpillars
Powdery mildews may be a problem
Pot Size & Form
Contact Us to Purchase