• 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

Woodwardia radicans

European chain fern

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
European chain fern

© � RHS

  • Other common names European chain fern

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

  • Family Blechnaceae / Blechnaceae

  • Details 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

  • Plant range E Europe

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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H3

Colour

Sunlight

  • Partial Shade

  • Aspect North-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Clay

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilClay, Loam

  • pHNeutral

Size

  • Ultimate height

    1-1.5 metres

  • Ultimate spread

    1.5-2.5 metres

  • Time to ultimate height

    2-5 years

How to grow

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

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

How to care

Pruning Cut down old fronds when they deteriorate

Pests Generally trouble free

Diseases Generally trouble free

Advertise here

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now