How to Propagate western sword fern?
Propagate by sowing spores as soon as ripe or propagate by division of rhizomes in spring or by bulbils in autumn

western sword fern · Polystichum munitum
Also known as: giant holly fern; sword fern
Easy to grow in most cool, fertile, moist, humus-rich, shaded soils. Protect crowns from excessive winter wet
Propagate by sowing spores as soon as ripe or propagate by division of rhizomes in spring or by bulbils in autumn