Polystichum polyblepharum (Japanese Tassel Fern)


Botanical Information

FamilyDryopteridaceae
GenusPolystichum
Speciespolyblepharum
CategoryPerennials
TypeFerns
OriginJapan and South Korea.

Details

USDA Hardiness Zone5 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-29 - (-7)
Temperature (°F)-20 - 20
Height45 - 60 cm
Spread45 - 60 cm
GrowthSlow

Description and Growing Information

General DescriptionAn evergreen plant with winter foliage interest.
ShapeLow spreading.
PropagationBy spores or division of rhizomes.
CultivationGrow under partial shade in consistently moist, well-drained, humus-rich loamy soil. Will grow in full shade but prefers some filtered sun.
PestsCrown rot when grown in poorly drained soil. Plant rhizomes at an angle to help prevent this issue.
Notable SpecimensVanDusen Botanical Garden, Vancouver, British Columbia, Canada.
Bark/Stem DescriptionThin yet robust stems and branches.
Leaf DescriptionGlossy bipinnate fronds 30 - 60 cm long with overlapping pinnae. Young frond tops (croziers) flip over backwards, forming tassels that flatten out with maturity.
Colour DescriptionSlightly yellow-green foliage. Reddish-brown stems. Leaf stems are light green.
Texture DescriptionMedium.

Photographs