Ceratostigma willmottianum 'Forest Blue' (Forest Blue Chinese Plumbago)
Botanical Information
| Family | Plumbaginaceae |
| Genus | Ceratostigma |
| Species | willmottianum |
| Cultivar | 'Forest Blue' |
| Category | Perennials, Tropicals |
| Origin | Native to China. |
Details
| USDA Hardiness Zone | 8 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 8b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-10) - (-5) |
| Temperature (°F) | 5 - 14 |
| Height | 0.5 m - 1 m |
| Spread | 0.5 m - 1 m |
| Growth | Slow |
| Flowering Period | August, September, October |
Description and Growing Information
| General Description | A bushy deciduous plant with lance-shaped leaves and bright blue flowers. |
| Shape | Clumping. |
| Landscape | Containers. |
| Propagation | Semi-hardwood cuttings. |
| Cultivation | Grow in well-drained soil in partial-shade. |
| Notable Specimens | Lanhydrock Gardens, Cornwall, England. |
| Habitat | Horticultural origin. |
Photographs
Ceratostigma-willmottianum 'Forest Blue'. Form, Lanhydrock Gardens, Cornwall, England. 16/10/2019.
Ceratostigma-willmottianum 'Forest Blue'. Flower, Lanhydrock Gardens, Cornwall, England. 16/10/2019.
Ceratostigma-willmottianum 'Forest Blue' . Autumn form, Lanhydrock Gardens, Cornwall, England. 16/10/2019.
Awards