Ceratostigma plumbaginoides (Dwarf Plumbago, Blue Leadwood, Leadwort)
Botanical Information
| Family | Plumbaginaceae |
| Genus | Ceratostigma |
| Species | plumbaginoides |
| Category | Perennials |
| Origin | Native to Western China. |
| Pronunciation |
Details
| USDA Hardiness Zone | 5 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4 - 6a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 - H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -20 to -15 |
| Temperature (°F) | -20 - (-10) |
| Height | 15 - 30 cm |
| Spread | 30 - 38 cm |
| Growth | Medium |
| Flowering Period | July, August, September, October |
Description and Growing Information
| General Description | Low-growing herbaceous perennial. |
| ID Characteristic | A dense mat of stems carrying oval leaves and blue flowers. |
| Shape | Mat-forming, spreading. |
| Landscape | Banks, slopes, city, cottage/informal, beds, borders, and Mediterranean landscapes. |
| Propagation | Propagate by division, cutting or by layering. |
| Cultivation | Plant in moderately fertile, moist but well-drained soil in full sun. It is slow to emerge in the spring. |
| Pests | Powdery mildew. |
| Notable Specimens | The A. M. Cuddy Gardens, Strathroy, Ontario, Canada. Royal Botanical Gardens, Burlington, Ontario, Canada. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
| Leaf Description | Oval leaves which turn red or purple in autumn. |
| Flower Description | Bright blue flowers in late summer where the nectar is particularly attractive to butterflies. |
Photographs
Ceratostigma plumbagnoides, form.
Ceratostigma plumbagnoides, leaf. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.
Ceratostigma plumbagnoides, flower.
Ceratostigma plumbagnoides, form. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.
Awards
