Cyathea medullaris (black tree fern)
Botanical Information
| Family | Cyatheaceae |
| Genus | Cyathea |
| Species | medullaris |
| Synonyms | Cyathea medullaris, Cyathea cumingii |
| Category | Ferns |
Details
| USDA Hardiness Zone | 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 9a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-5) - 1 |
| Temperature (°F) | 23 - 34 |
| Height | 12 - 20 m |
| Spread | 8 m |
| Growth | Slow |
Description and Growing Information
| General Description | A unique black-stemmed tree fern growing upright. |
| Shape | Upright. |
| Landscape | Gardens, ornamental use and container planting. |
| Propagation | Propagate by spores. |
| Cultivation | Grow under partial sunlight with moist, well-drained soils with acidic and mildly acidic pH. Tolerates light frost. |
| Pests | No notable pests or diseases. |
| Notable Specimens | Trengwainton garden, Madron, Cornwall, United Kingdom. |
Photographs
Cyathea medularis, form. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Cyathea medularis, leaf. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Awards
