Pelargonium tetragonum (Square-Stemmed Pelargonium)
Botanical Information
| Family | Geraniaceae |
| Genus | Pelargonium |
| Species | tetragonum |
| Category | Perennials, Tropicals |
| Origin | Native to South Africa. |
Details
| USDA Hardiness Zone | 10 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | Greater than 9a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H2 |
| RHS Hardiness Ref. | |
| Temperature (°C) | 1 to 5 |
| Temperature (°F) | 34 to 40 |
| Height | 2 m |
| Spread | 0.2 m |
| Growth | Slow |
| Flowering Period | April, May, June, July, August, September, October |
Description and Growing Information
| General Description | A slow growing succulent that blooms pale, pink flowers. The lobed leaves grow sparsely up the stems and are green with red spots. |
| Shape | Trailing. |
| Landscape | Rock gardens, succulent gardens and containers. |
| Propagation | Propagate by stem cuttings. |
| Cultivation | Require dry soil with excellent drainage, as well as full sunlight. Recommended to grow in greenhouses as plant cannot survive temperatures nearing frost. |
| Pests | No notable pests or diseases. |
| Notable Specimens | Chelsea Physic Garden, London, United Kingdom. |
| Habitat | Coastlines, cliff sides, and as dry, rocky environments. Excels in an arid climate. |
Photographs
Pelargonium tetragonum, form. Chelsea Physic Garden, London, United Kingdom.
Pelargonium tetragonum, leaf. Chelsea Physic Garden, London, United Kingdom.