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Polystichum tsussimense

Korean rock fern

A small, tufted evergreen fern to 45cm, with erect, narrowly lance-shaped, bipinnate fronds, with slender-pointed apex and pinnae

Synonyms
Aspidium tsussimense
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green
Winter Green
Position
  • Full shade
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Dryopteridaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Tufted
Genus

Polystichum are mostly evergreen or semi-evergreen ferns, with short stout rhizomes and pinnately divided fronds in neat shuttlecock-like rosettes

Name status

Correct

Plant range
E Asia

How to grow

Cultivation

Easy to grow in most cool, fertile, moist, humus-rich, shaded soils. Protect crowns from excessive winter wet. See how to grow ferns for further advice

Propagation

Propagate by sowing spores as soon as ripe, division of rhizomes in spring or by bulbils in autumn

Suggested planting locations and garden types
  • Rock garden
  • Cottage and informal garden
  • Low Maintenance
  • 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

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