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A picture of a Western Sword Fern

Western Sword Fern

Polystichum munitum

Also known as

Giant Holly Fern, Sword Fern, Common Sword Fern, Pineland Sword Fern, Giant holly fern

Polystichum munitum (Jami Dwyer) 001 by Jami Dwyer (CC BY-SA 2.0)

Full Shade
Moderate care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








3 years to reach maturity

More images of Western Sword Fern

A green Polystichum munitum plant in a forest
A green Polystichum munitum fern growing in the wild
A photo of Western Sword Fern

Western Sword Fern Overview

Polystichum munitum is an evergreen perennial fern in the Polypodiaceae family. It produces clumps of upright, pinnately divided foliage. Leaves are narrow and lance-shaped, the fronds have finely toothed edges. It originates from western North America, ranging naturally from Alaska to Mexico. This attractive foliage plant is commonly grown as both a garden and a houseplant. This plant has earnt a Royal Horticultural Society Award of Garden Merit. It has a bushy habit and is fully hardy, plant in a position of partial to full shade, in moist, well-draining soil for optimal growth.

How to propagate Western Sword Fern



You can propagate by sowing spores.


Special features of Western Sword Fern

Attractive leaves


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