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Dryopteris filix-mas 'Cristata' AGM

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© RHS

Characteristics

Plant type

Fern

Habit

Bushy

Origin

Native to the UK

Resilience

Hardiness

H7 (very hardy)

Colour

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

5-10 years


Preferred common name

male fern 'Cristata'

Family

Dryopteridaceae


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

'Cristata' is a deciduous fern making a rosette of erect or arching, almost bipinnate fronds to 60cm long, neatly crested at the apex and the tips of the pinnae

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

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

Soil

  • Poorly-drained or Moist but well-drained
  • Acid, Alkaline or Neutral
  • Sand, Clay, Chalk or Loam

Propagation

Propagate by division in spring

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds or Underplanting of Roses and Shrubs


How to care

Pruning

Dead or damaged fronds may be removed as necessary

Pests

Generally pest free outdoors

Diseases

Generally disease free outdoors