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Adiantum aleuticum 'Subpumilum' AGM

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© RHS

Characteristics

Plant type

Fern

Habit

Bushy

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Foliage

Green in Autumn, Spring and Summer

Stem

Black in

Size

Ultimate height

Up to 10 cm

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

Aleutian maidenhair 'Subpumilum'

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

'Subpumilum' is a compact deciduous fern to 10cm tall, with glossy black stalks bearing pedately divided fronds composed of fresh green, close-packed oblong segments

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

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

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, Clay, Chalk or Loam

Propagation

Propagate from spores

Suggested planting locations and garden types

Cottage/Informal Garden, Patio/Container Plants or Rock Garden


How to care

Pruning

No pruning required

Pests

Scale insects may be a problem under glass

Diseases

Generally disease free