Begonia grandis (Hardy Begonia, Beefsteak Plant)
Botanical Information
| Family | Begoniaceae |
| Genus | Begonia |
| Species | grandis |
| Category | Perennials |
| Origin | Native to southern China. Genus name honours Michel Begon (1638-1710), Governor of French Canada. |
| Pronunciation |
Details
| USDA Hardiness Zone | 6 - 7 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H6 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-20) - (-15) |
| Temperature (°F) | 4 - 5 |
| Height | 0.5 - 0.75 m |
| Spread | 0.5 - 0.75 m |
| Growth | Slow |
| Flowering Period | July, August |
Description and Growing Information
| General Description | A species of begonia known for its winter hardiness. |
| Shape | Tuberous. |
| Landscape | Shade gardens, woodland garden and shaded borders. |
| Propagation | Plant is able to self-propagate via the formation of tiny bulbs that fall off in autumn. As well, these bulbs can be harvested to plant at will. |
| Cultivation | Moist, well-draining soil in partial to full shade. Soil should be rich in organic material. |
| Pests | No notable pests or diseases. |
| Notable Specimens | Trengwaighton Garden, Madron, Cornwall, United Kingdom. |
Photographs
Begonia grandis, flower. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019.
Begonia grandis, form. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019.
B. grandis subsp. evansiana at RHS Garden Rosemoor in North Devon, England.