• 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

Doronicum orientale

Caucasian leopard's bane

Caucasian leopard's bane

© RHS

  • Other common names Caucasian leopard's bane

  • Synonyms Doronicum caucasicum

  • Family Asteraceae

  • Genus Doronicum are rhizomatous or tuberous-rooted herbaceous perennials with heart-shaped basal leaves and bright yellow daisy-like flower-heads

  • Details D. orientale is a slowly-spreading, rhizomatous perennial with gently scalloped basal leaves with heart-shaped bases and a few stem leaves. Produces solitary, golden-yellow flowerheads, 2.5-5cm across on slender stems in mid and late spring

  • Plant range SE Europe, Turkey, Caucasus

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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)

    H5

Colour

Sunlight

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in moist but well-drained, reasonably fertile, preferably sandy soil in partial shade

Propagation Propagate by division in early autumn or propagate by seed in containers in a cold frame in spring

Suggested planting locations and garden types Flower borders and beds Cut Flowers Underplanting of Roses and Shrubs Garden Edging Cottage & Informal Garden Coastal

How to care

Pruning Deadhead flowers for a second flush of blooms

Pests Generally pest free but leaf and bud eelworm may be troublesome

Diseases May be affected by a leaf spot, root rot and powdery mildews

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