clump-forming, upright herbaceous perennials, to1.5m tall, with palmately-divided, pale green leaves and, in summer, tall spikes of flowers in a range of vibrant colour shades of deep blue, deep pink, light pink, purple, red, salmon, white and yellow; flowers may be a single colour or bicoloured
Position
Soil Types
Max Height
1-1.5 metres
Max Spread
0.5-1 metres