Mountain Holly Fern (Polystichum lonchitis)

Overview

Mountain Holly Fern (Polystichum lonchitis) is a tough, evergreen fern of high mountains in the Northern Hemisphere, with spiny, leathery fronds that withstand harsh conditions.

Taxonomy

Description

Fronds are 20–40 cm long, pinnate, with lanceolate, sharply spiny-toothed pinnae. The fronds are stiff, leathery, dark green. Stipes have brown scales. Sori are round with peltate indusium.

Habitat and Cultivation

Found on rocky slopes and cliffs in alpine and subalpine zones. In cultivation, needs well-drained, gritty soil, full sun to part shade, and cool temperatures. Hardy to zone 3.