Polystichum munitum
western sword fern
A robust, evergreen fern forming a large clump of erect, narrowly lance-shaped, dark green, pinnate fronds, the narrow pinnae finely spine-toothed
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Green | |||
Autumn | Green | |||
Winter | Green |
Position
- Full shade
- Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Dryopteridaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Bushy
- 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
- W North America
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 or propagate by division of rhizomes in spring or by bulbils in autumn
Suggested planting locations and garden types
- 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
Get involved
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