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Anchusa azurea 'Loddon Royalist'

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© RHS 2002

Characteristics

Plant type

Herbaceous Perennial

Habit

Spreading / Branched

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Dark Blue in Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

bugloss 'Loddon Royalist'

Family

Boraginaceae


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

'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

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, East-facing, West-facing or North-facing
  • Sheltered

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.

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Loam, Chalk or Sand

Propagation

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

Suggested planting locations and garden types

Flower borders and beds, Wildlife Gardens or Cottage/Informal Garden


How to care

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