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Polystichum imbricans (D.C. Eaton) D.H. Wagner
Dwarf western sword fern, Narrow-leaf sword fern, Narrowleaf swordfern
USDA Symbol: POIM
USDA Native Status: L48 (N), CAN (N)
A smaller, more compact version of P. munitum, but otherwise very similar. The large clumps of dark evergreen fronds are 1-2 ft. tall. The fronds are once-divided, with toothed pinnae.
Bloom InformationBloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.
, WA Native Distribution:
Cascade/Sierran axis from c. WA
to s. CA,
Klamath region & Olympic Mts. Native Habitat:
Dry, rocky, thin conifer woods or open places
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry, rocky soils.
Conditions Comments: Deer proof. Transplants well and lends a look of lushness to the woodland garden. Looks best planted in groups or drifts.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Record Last Modified: 2007-01-01
Research By: TWC Staff