Dryopteris filix-mas 'Crispa Cristata'

RHS Plant Profile
male fern 'Crispa Cristata'

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male fern 'Crispa Cristata' RHS
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A clump-forming, semi-evergreen fern growing to 1m high. The bright green, erect to arching, fronds are crested at the tips and have ruffled edges

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full shade Full sun Partial shade
Aspect
South–facing or North–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Dryopteridaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy
Genus
Dryopteris can be deciduous, semi-evergreen or evergreen ferns, with stout, erect or decumbent rhizomes and shuttlecock-like rosettes of lance-shaped to ovate, pinnately divided fronds
Name Status
Accepted

How to Grow

Cultivation

Easy to grow in most cool, moist, lightly shaded sites, though it will grow in full sun if given plenty of moisture. Tolerant of dry shade but water regularly in their first season and mulch well. See how to grow ferns for further advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • 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