Gymnocarpium dryopteris
Oak Fern
Family |
Woodsiaceae |
Genus |
Gymnocarpium |
Species |
dryopteris |
Category |
Perennials, Ferns |
USDA Hardiness Zone |
7b - 8a |
Canadian Hardiness Zone |
7 |
RHS Hardiness Zone |
H5 |
Temperature (°C) |
- 15 - (-10) |
Temperature (°F) |
5 - 14 |
Height |
30 cm |
Spread |
1 m |
Landscape |
Border planting, groundcover and informal gardens. |
Cultivation |
Full shade. Moist and well-drained soils with a pH of acidic and neutral. Prefers sand and loam. |
Shape |
Mat-forming and spreading. |
Growth |
Medium |
Habitat |
Forests, rocky slopes and thickets. |
Leaf Description |
Divided and triangular to ovate fronds. 2 - 3 pinnate fronds that are 10 - 20 cm long and wide. |
Flower Description |
Non-flowering but producing spores. |
Colour Description |
The leaves are bright green. |
Notable Specimens |
RHS Garden Rosemoor, North Devon, England. The University of Alberta Botanic Garden, Devon, Alberta, Canada. |
Propagation |
Spores and division. |