A deciduous, herbaceous perennial that reaches to approximately 1.5m in height when in flower. It forms a mound of green, deeply lobed leaves and flower stems of pretty light blue flowers with a pink tinge and a black centre, in summer
1-1.5 metres
0.1-0.5 metres
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Grow in fertile, well-drained soil in full sun. Shelter from strong winds and provide support (see staking perennials). Divide every 2-5 years to maintain vigour. See staking perennials and delphinium cultivation for further advice
Deadhead spent flower spikes back to fresh flowering side shoots and cut back to ground level in late autumn.
May be susceptible to aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs, snails and caterpillars
May be susceptible to powdery mildews, delphinium black blotch, crown rot and viruses