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Woodwardia radicans AGM

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© RHS

Characteristics

Plant type

Fern

Habit

Bushy

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

1-1.5 metres

Ultimate spread

1.5-2.5 metres

Time to ultimate height

2-5 years


Preferred common name

European chain fern

Family

Blechnaceae


Woodwardia are robust rhizomatous ferns with deciduous or evergreen, pinnate to bipinnate fronds, bearing spores in chain-like lines on the undersides

W. radicans is a robust evergreen fern with arching, ovate, bipinnately divided fronds to 1.5m long, bearing bulbils on the underside towards the tips

How to grow

Sunlight

  • Part shade

Aspect

  • North-facing or East-facing
  • Sheltered

Cultivation

Grow in neutral, moderately fertile damp soil in partial shade; in frost prone areas shelter from cold, drying winds and protect in winter with a dry mulch

Soil

  • Moist but well-drained
  • Neutral
  • Clay or Loam

Propagation

Propagate by spores, sow spores at 16°C (61°F) in late summer or early autumn; remove bulbils in autumn or divide in spring

Suggested planting locations and garden types

Architectural, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds or Wall-side Borders


How to care

Pruning

Cut down old fronds when they deteriorate

Pests

Generally trouble free

Diseases

Generally trouble free