Image of Perennial Bluebird

Delphinium Bluebird

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Blue Bird Group is an herbaceous perennial with dark-green, divided leaves and tall spikes of bright-blue flowers with white eyes in summer.

General care


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.


Divide every 3-4 years to maintain vigour.

Propagation methods

Basal cuttings, Division

Delphinium Blue Bird Group (Delphinium Blue Bird Group) will reach a height of 2m and a spread of 0.75m after 2-5 years.

Suggested uses

Beds and borders, City, Cottage/Informal, Flower Arranging


Plant in a fertile, well-drained soil in full sun. Apply a fortnightly balanced liquid feed during the growing season. May be short-lived in hot, humid conditions. Cut back if becomes infected with powdery mildew. Stake with bamboo canes in mid-sp

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral


Partial Shade, Full Sun


South, West