Pulmonaria 'Opal' (Opal lungwort)
Botanical Information
| Family | Boraginaceae |
| Genus | Pulmonaria |
| Cultivar | 'Opal' |
| Synonyms | Pulmonaria 'Ocupol' |
| Category | Perennials |
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 | 0.1 - 0.5 m |
| Spread | 0.1 - 0.5 m |
| Growth | Medium |
| Flowering Period | May, June |
Description and Growing Information
| General Description | A semi-green perennial that blooms pale blue flowers in late spring. |
| Shape | Bushy. |
| Landscape | Flower beds, flower borders, container. |
| Propagation | Propagate by division after flowering or in autumn. |
| Cultivation | Grow in humus-rich, fertile, moist but not waterlogged soil in full or partial shade. |
| Pests | Be cautious of powdery mildews in dry conditions. |
| Notable Specimens | Lanhydrock Gardens, England, Cornwall. |
| Habitat | Horticultural origin. |
Photographs
Pulmonaria 'Opal', form. Lanhydrock Gardens, England, Cornwall. 16/10/2019.
Pulmonaria 'Opal', leaf. Lanhydrock Gardens, England, Cornwall. 16/10/2019.
Awards
