• 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

Angelica gigas

Purple angelica

Purple angelica

© � RHS 2002

  • Other common names Purple angelica
    Korean angelica

  • Genus Angelica are large biennials or herbaceous perennials, some monocarpic, with pinnately or palmately divided leaves and small white or purple flowers in large umbels

  • Family Apiaceae / Apiaceae

  • Species A. gigas is a robust biennial or short-lived perennial with pinnately divided leaves and erect, branched, purple stems bearing large umbels of deep purple flowers in late summer and early autumn

  • Plant range Japan, Korea

Characteristics

  • Foliage Deciduous

  • Habit Columnar_Upright#Columnar/Upright

Colour

Sunlight

  • Partial Shade

  • Full Shade

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Clay

  • MoistureMoist but well-drained, Poorly-drained

  • SoilLoam, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation The ideal position is a deep, moist, loamy soil in full or partial shade but it can tolerate drier conditions if mulched. A short-lived perennial.

Propagation Propagate by seed sown in a cold frame with good light, as soon as ripe.Exposure to light is required for germination. Move seedlings when young as older plants resent disturbance

Suggested planting locations and garden types Flower borders and beds Architectural Cottage & Informal Garden

How to care

Pruning Cut back after flowering

Pests Prone to slugs, snails, leaf miners and aphids

Diseases Susceptible to powdery mildews

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