A bushy upright perennial with dark green, lyre-shaped leaves and slender spikes of small, violet-blue flowers in summer
Position
Soil Types
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres
A bushy upright perennial with dark green, lyre-shaped leaves and slender spikes of small, violet-blue flowers in summer
0.5-1 metres
0.1-0.5 metres
This plant will provide the maximum benefits if it is healthy and allowed to grow to maturity
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Grow in well-drained soil and full sun with shelter from cold, drying winds
Propagate by seed in spring. Take basal stem cuttings in late spring; stem-tip cuttings in late summer or in early autumn and propagate by division in spring
Cut back faded flower spikes to prolong flowering
May be susceptible to slugs and snails, aphids, capsid bug, leafhoppers and rosemary beetle may damage young growth
May be susceptible to honey fungus (rarely), Powdery mildews, Verticillium wilt and foot and root rots
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