Western sword fern (Polystichum munitum) is a large evergreen fern with dark green fronds that grow in a tight clump, spreading out radially from a round base. It grows up to 6 feet tall and 5 feet wide and is moderate to fast growing. Individual fronds live for 1.5-2.5 years and remain attached to the base after withering.
It is excellent as an ornamental groundcover for shade. Plant in partial to full shade and give moderate to regular water. It prefers well-draining, rocky, acidic soil but can tolerate clay.
This plant attracts butterflies and hosts a likely total of 3 species of butterfly and moth. It is deer and rabbit resistant.