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This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names delphinium 'Fenella'
Family Ranunculaceae
Genus Delphinium can be annuals, biennials or perennials, with palmately lobed basal leaves and showy bowl-shaped flowers in spikes, racemes or panicles
Details 'Fenella' is an herbaceous perennial to 1.5m in height, with divided foliage and erect racemes up to 90cm in length, of dark-eyed, violet-tinged, deep blue flowers
Foliage Deciduous
Habit Columnar/Upright
Toxicity All parts may cause severe discomfort if ingested and may irritate skin
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H5
Full Sun
Aspect South-facing or West-facing or East-facing
Exposure Sheltered
Chalk
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 1-1.5 metres
Ultimate spread 0.5-1 metres
Time to ultimate height 2-5 years
Cultivation Grow in a fertile, well-drained soil in full sun; shelter from strong winds and stake well. Apply a balanced liquid every couple of weeks in the growing season. For the best flower spikes thin shoots when 7cm high to leave a minimum of 2-3 shoots on young plants and 5-7 shoots on established plants
Propagation Propagate by taking pencil thick basal cuttings in early spring
Suggested planting locations and garden types Cut Flowers Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden
Pruning Deadhead by cutting spent flower spikes back to small flowering side shoots. Cut down all growth to ground level after it has withered in autumn
Pests May be attacked by slugs, snails, leaf miners and caterpillars
Diseases May be subject to powdery mildews, delphinium black blotch, crown rot and a virus
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