Polystichum setiferum
'Dahlem'
Dahlem Soft Shield Fern
Family |
Dryopteridaceae |
Genus |
Polystichum |
Species |
setiferum |
Cultivar |
'Dahlem' |
Category |
Perennials |
Type |
Ferns |
USDA Hardiness Zone |
1a - 6a |
Canadian Hardiness Zone |
0a - 5b |
RHS Hardiness Zone |
H7 |
Temperature (°C) |
-51 - (-21) |
Temperature (°F) |
-60 - (-5) |
Height |
30 - 120 cm |
Spread |
50 - 130 cm |
General Description |
A rhizomatous, softly-textured evergreen fern with mid-green fronds and stalks covered in orange-brown scales. |
Landscape |
Ground cover, flower bed borders, underplanting of roses and shrubs or around cottages. |
Cultivation |
Grow in part to full shade, in moist, well-drained, humus-rich slightly acidic soil. Protect from excess moisture in winter. |
Shape |
Clumping. |
Growth |
Medium |
Habitat |
Horticultural origin. |
Bark/Stem Description |
Stipes are covered in wide, pale orange-brown scales. |
Leaf Description |
Pinnately divided fronds of small very serrated leaflets. Pointed fronds are 30 - 120 ⨉ 10 - 25 cm with pinnae up to 11 ⨉ 2.5 cm, up to 40 per side. Secondary divisions or pinnules have serrated margins. |
Colour Description |
Greenish-red foliage. Greenish-red stems. |
Texture Description |
Fronds have a soft feathery texture. |
Notable Specimens |
VanDusen Botanical Garden, Vancouver, British Columbia, Canada. |
Propagation |
By sowing spores or division of rhizomes. |