• 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

Epimedium × warleyense 'Orangekönigin'

barrenwort 'Orangekönigin'

barrenwort 'Orangekönigin'

© RHS

  • Other common names barrenwort 'Orangekönigin'

  • Synonyms Epimedium pubescens 'Orange Queen'
    Epimedium × cantabrigiense ORANGE QUEEN

  • Family Berberidaceae

  • Genus Epimedium are rhizomatous perennials with evergreen or deciduous, ternately or pinnately divided leaves, and open sprays of small, bowl-shaped flowers, often with prominent spurs, in mid to late spring

  • Details 'Orangekönigen' is a compact, evergreen perennial forming a dense clump of divided leaves, tinted red when young, with sprays of small flowers with orange sepals and smaller pale yellow petals

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Chalk, 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 fertile, moist but well-drained, humus-rich soil in partial shade; shelter from cold, dry winds. Can tolerate some sun if soil remains moist

Propagation Propagate by division in autumn or after flowering

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Ground Cover Underplanting of Roses and Shrubs City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Foliage is truly evergreen so no need to cut back

Pests Prone to vine weevils

Diseases May be affected by a virus

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