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Athyrium otophorum 'Okanum'
  • RHS AGM

eared lady fern [2]

A. otophorum var. okanum is a deciduous, clump-forming fern growing to 80cm tall. The broad, arching bipinnate leaves are a light yellow-green colour with contrasting dark purple-red stalks and midribs

Synonyms
Athyrium otophorum 'Okanum'

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Red Green Yellow
Summer Purple Red Green Yellow
Autumn Purple Red Green Yellow
Winter
Position
  • Partial shade
Aspect

North–facing or East–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Woodsiaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Athyrium are deciduous ferns with erect or creeping rhizomes bearing usually pinnate to tripinnate fronds, often of thin texture, and they are especially shade-tolerant

Name status

Correct

Plant range
Japan

How to grow

Cultivation

Grows best in moist, preferably neutral or acid soil in a sheltered position in dappled or full shade

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Tidy plant and remove leaves when they begin to die down

Pests

Generally trouble free

Diseases

Generally trouble free

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