Full Description
'Purple Rain' is a clump-forming herbaceous perennial to 60cm high, with divided, ovate green leaves with toothed margins. Produces dense, conical plumes of flowers in shades of deep lilac pink and magenta, in midsummer
 
Foliage: Deciduous

Hardiness: H7 - Hardy in the severest European continental climates (< -20)

Aspect: East–facing or West–facing or North–facing

Exposure: Exposed or Sheltered.

Moisture: Moist but well–drained or Poorly–drained
 
Soil: Clay, Loam

pH: Neutral, Acid, Alkaline.

Size:
Ultimate height 0.5-1 metres.
Ultimate spread 0.5-1 metres.
Time to Ultimate size: About 2 - 5 Years
 
How to grow
Cultivation
Grow in moist but well-drained or boggy soil in dappled shade, or in indirect sun where the soil remains moisture-retentive in summer. Drought intolerant, may be damaged in hot sun. Good for waterside planting.

Propagation
Propagate by division in winter or early spring; replant immediately or pot up to plant out in spring when re-established

Suggested planting locations and garden types
Flower borders and beds Cottage & Informal Garden Rock Garden.

How to Care:
Pruning: Flowering stems may be cut back when flowers fade, or left standing for winter interest
Pests: May be susceptible to vine weevil
Diseases: May be susceptible to leaf spot and Powdery mildews