A neat, clump-forming, bulbous perennial, to 20cm tall, with linear, semi-erect leaves and upright leafless stems. Dense heads of small, tubular to urn-shaped tri-coloured pale blue and darker blue flowers topped with a cluster of smaller near-white flowers, emerge in spring from pale green buds
0.1-0.5 metres
0-0.1 metre
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Plant 10cm deep in autumn in any moderately fertile, moist but well-drained soil. Lift and divide congested clumps in summer to maintain vigour. See https://www.rhs.org.uk/plants/trials-awards for further information about RHS plant trials and awards
Separate offsets in summer or propagate by seed, sown in autumn, in containers in a cold frame; cultivars may not come true from seed
No pruning required, but remove spent foliage and cutting back in autumn may be needed
Generally pest-free
May be susceptible to fungal infections including anther smuts and bluebell rust (see rust diseases), and bacterial soft rot and some virus diseases
