Epimedium perralderianum

RHS Plant Profile
Perraudière's barrenwort

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Perraudière's barrenwort RHS
Herbaceous Perennial
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A slow-spreading, evergreen perennial growing to 30cm tall. Each leaf has three glossy, oval leaflets with spiny margins that are tinted bronze when young, aging to a darker green. Up to 25 small, bright yellow flowers are held on stems just above the foliage in spring

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
Sheltered
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 & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Berberidaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
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
Name Status
Correct
Plant Range
Algeria

How to Grow

Cultivation

Grow in fertile, moist but well-drained, humus-rich soil in partial shade; shelter from cold, dry winds. Copes well with dry and open positions when well-established

Propagation

Propagate by division in autumn or after flowering

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

Cut back old foliage in late winter or early spring before new flower stems emerge for the best display of new foliage and flowers

Pests

May be susceptible to vine weevil

Diseases

May be susceptible to a virus