Phegopteris decursive-pinnata

RHS Plant Profile
Japanese beech fern

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Synonyms

Thelypteris decursive-pinnata

Ferns
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A deciduous fern to around 50cm high, with upright to arching, narrow, pinnatifid fronds up to 80cm long. Fronds are pale green when young and take on a slight blue-green tint when mature

Position

Full shade, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

Full shade Partial shade
Aspect
East–facing or North–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
Thelypteridaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Name Status
Correct
Plant Range
China, Japan

How to Grow

Cultivation

Grow in moist soils in part or full shade. Spreads slowly by rhizomes. See how to grow ferns for further advice

Propagation

Propagate by spores, sown as soon as ripe, or by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free