Blechnum pennamarina subsp. alpina
“Alpine Water Fern”
BLECHNACEAE
Evergreen Perennial Fern
Zone: 4 – 7
Native habitat (range): S Hemisphere
Conditions
Soil: richly organic, slightly acidic
Moisture: consistently moist
Light: part shade to full shade
Exposure: general
Plant size (h x w): up to 6″ x 6″ – 12″
Other: survive but will not thrive in drier conditions; don’t like mulch
Aesthetic
Shape/stem: clumping/mat forming
Leaf: fern-like, basal, simple, pinnate, green
Flower: no flower
Bloom:
Other: rhizomatic (spreading);
>similar to this photo>
Treatment (how to…)
Plant: give adequate water for first few years; rhizomes should be just under the surface so plant high
Maintain: low maintenance, Dead or damaged fronds may be removed as necessary, be sure it gets good water in a hot dry summer here
Propagate: division (spring), spores 
Uses
Landscape: fern grotto, woodland, shade garden, container, mass planting, slope, mixed boarder, front of bed, edging, ground cover, bank coverage, rock crevice
Companion planting: nice under rhododendrons or other shrubs and trees light higher branching structure; combo ideas cyclamen, erythronium, trilium
Medicinal: not known
Other:
Vulnerabilities
Pests and disease: none significant
Deer resistant: yes
Other animals: generally rabbit resistant
Interest
Local info,: not native, grows well here
Pot size (to purchase): 4″
Nature: spreading ground cover evergreen fern
Identification (key features): height is key, simple pinnate fern-like leaves spread out in a mat of green, likes shade, moisture and rich soil
Interesting facts:
Cultivation:
Comments:
. west coast island blooms . 
