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Herbaceous Perennial

Anchusa azurea 'Loddon Royalist'
  • RHS Plants for pollinators

bugloss 'Loddon Royalist'

'Loddon Royalist' is an herbaceous perennial with coarsely hairy, lance-shaped, mostly basal leaves. Intense deep blue flowers 15mm across are borne on erect, branching stems

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or North–facing or East–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Boraginaceae
Native to the UK
No
Foliage
Deciduous
Habit
Spreading branched
Genus

Anchusa can be erect or spreading perennials, biennials or annuals with hairy or bristly foliage and cymes of tubular or salver-shaped, usually blue flowers

Name status

Accepted

How to grow

Cultivation

Grows in any moderately fertile, moist but well-drained soil in full sun, although it can also tolerate partial shade. It thrives in moist soils but dislikes winter wet.

Propagation

Propagate by seed, root cuttings or by softwood cuttings from the base of young shoots

Suggested planting locations and garden types
  • Wildlife gardens
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Deadhead to encourage a second flush of flowers. Cut back top growth after flowering to encourage a rosette of foliage

Pests

Can get leaf-mining flies

Diseases

May be infected by powdery mildews

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