• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Anchusa azurea 'Loddon Royalist'

bugloss 'Loddon Royalist'

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  • Other common names bugloss 'Loddon Royalist'

  • Family Boraginaceae

  • 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

  • Details '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


  • Foliage Deciduous

  • Habit Spreading / Branched

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)




  • Full Sun

  • Partial Shade

  • Aspect West-facing or South-facing or North-facing or East-facing

  • Exposure Sheltered


  • Chalk


  • Loam


  • Sand


  • MoistureMoist but well-drained

  • SoilChalk, Loam, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

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 Flower borders and beds Wildlife Gardens 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

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