• AGM plants

    AGM plants have been through a rigourous 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

Cerinthe major 'Purpurascens'

Honeywort 'Purpurascens'

Honeywort 'Purpurascens'

© � RHS 1999

  • Other common names Honeywort 'Purpurascens'

  • Synonyms Cerinthe major var. purpurescens

  • Genus Cerinthe can be annuals, biennials or perennials, with simple, often greyish leaves and tubular flowers borne in a pendent terminal cluster with conspicuous bracts

  • Family Boraginaceae / Boraginaceae

  • Species 'Purpurascens' is an upright annual to 60cm, with blue-green leaves and tubular yellow and purple flowers with conspicuous purple bracts


  • Foliage Deciduous

  • Habit Bushy



  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilLoam, Chalk, Sand

  • pHNeutral, Acid, Alkaline


  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    1-2 years

How to grow

Cultivation Grow in a well-drained, fertile soil in a sheltered position in full sun

Propagation Propagate by seed sown in gentle heat in spring, plant out when the danger of frost has passed

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Cut back after flowering

Pests Generally pest free

Diseases Generally disease free

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