A clump-forming perennial to 50cm tall with narrow, dark green leaves and outward-facing, cup-shaped, violet-blue flowers appear on upright stems in summer
Position
Soil Types
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres
A clump-forming perennial to 50cm tall with narrow, dark green leaves and outward-facing, cup-shaped, violet-blue flowers appear on upright stems in summer
0.1-0.5 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 |
Best grown in fertile, neutral to alkaline, moist but well-drained soils in sun or partial shade. Flower colours are best preserved in partial shade. Cut back after flowering to prevent self-seeding and encourage a second flush of flowers
Propagate by division in spring or autumn or take basal cuttings in spring
Cut dead stems to the base before winter
May be susceptible to rust, Powdery mildews and a leaf spot
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