Blechnum chilense

RHS Plant Profile
Chile blechnum

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Chile blechnum RHS
Chile blechnum RHS 2002
Chile blechnum RHS / Visions Pictures

Other common names

Chilean hard fern

Synonyms

Blechnum tabulare misapplied
Blechnum magellanicum misapplied

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A robust, rhizomatous evergreen fern with dark green, lance-shaped, simply-pinnate fronds to 1.2m in height, the fertile fronds more erect, with narrowly linear pinnae

Position

Full shade, Partial shade

Soil Types

Loam, Sand

Max Height

1-1.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
1-1.5 metres

Growing Conditions

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

Position

Full shade Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or 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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Blechnaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Suckering
Genus
Blechnum are mostly evergreen ferns with erect or creeping rhizomes and simply pinnate, leathery fronds, the fertile ones usually erect, the sterile often spreading
Name Status
Correct
Plant Range
Chile, Argentina

How to Grow

Cultivation

Easy to grow in most cool, moist, shaded sites. See how to grow ferns for further advice

Propagation

Propagate by sowing spores (may not come true) in mid to late summer or by division in spring

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Dead or damaged fronds may be removed as necessary

Pests

Generally pest-free outdoors

Diseases

Generally disease-free outdoors