Close Tsushima Holly Fern

Tsushima Holly Fern
Common Name: Tsushima Holly Fern
Scientific Name: Polystichum luctuosum; syn. Polystichum tsus-simense
Other Name(s): Aka Tsus-sima Holly Fern, Korean Rock Fern
Category: Fern
Habit: Evergreen to semi-evergreen
Foliage Description: Lance-shaped, finely-divided, bi-pinnate, glossy, dark green fronds with black veins grow in shuttle-cock like rosettes to 1-1 1/2 ft. tall and as wide. Each frond tapers to a narrow pointed tip and features 15-20 pair of narrow-ovate to oblong-ovate, spiny-toothed pinnae
Height of Plant: 1 1/2-2 ft.
Spread of Plant: 1 1/2-2 ft.
Hardiness: USDA Zones 6 - 9
Light Requirements: Part shade to full shade
Water Usage: Medium
Native Range: Native to slopes, rocky forest areas and stream banks in China, Japan, Korea, Vietnam and Thailand
Awards: RHS Award of Garden Merit in 1997
Maintenance: Low
Photographer: Richard Buggeln
Location: Japanese Garden