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. |