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Adiantum venustum AGM

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© RHS 2000

Characteristics

Plant type

Fern

Habit

Clump-forming

Resilience

Hardiness

H7 (very hardy)

Colour

Foliage

Brown and Orange in Autumn and Winter
Green in Spring and Summer

Stem

Black in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

10-20 years


Preferred common name

evergreen maidenhair

Family

Pteridaceae


Adiantum can be deciduous or evergreen ferns with shiny black stalks bearing simple or more usually pinnately divided fronds, the segments fan-shaped, oblong or rounded, carrying spores under reflexed marginal flaps

A. venustum is a deciduous fern, almost evergreen in mild areas, with a thin, creeping rhizome, forming a mat to 25cm in height, with ovate fronds composed of many small fan-shaped segments, often turning an attractive rusty-brown in autumn and winter

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

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

Cultivation

Outdoors grow in moderately fertile soil. Under glass grow in a mix of 1 part each of loam, medium grade bark, charcoal and lime chippings; 2 parts sharp sand; 3 parts leaf mould. Provide bright filtered light in medium to high humidity with good ventilation. When in growth apply a half strength balanced liquid fertiliser monthly. Remove damaged fronds in spring

Soil

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

Propagation

Propagate by spores

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Low Maintenance or Underplanting of Roses and Shrubs


How to care

Pruning

No pruning required

Pests

scale insects may be a problem under glass

Diseases

Generally disease free