Pulmonaria officinalis 'Sissinghurst White' (Sissinghust White Pulmonaria, Sissinghurst White Lungwort)
Botanical Information
Family | Boraginaceae |
Genus | Pulmonaria |
Species | officinalis |
Cultivar | 'Sissinghurst White' |
Category | Perennials |
Origin | Amy Doncaster (1894-1995) who was friends with Elizabeth Strangman gave her a white flowered Pulmonaria that Strangman later introduced as 'Sissinghurst White'. |
Details
USDA Hardiness Zone | 4 - 8 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 2a - 8a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H4 - H7 |
RHS Hardiness Ref. | |
Temperature (°C) | -35 - (-7) |
Temperature (°F) | -30 - 20 |
Height | 20 - 30 cm |
Spread | 30 - 45 cm |
Growth | Fast |
Flowering Period | April, May |
Description and Growing Information
Propagation | By division. |
Cultivation | Well drained, humus-rich soil in full to partial shade. Cannot tolerate high amounts of moisture. |
Pests | May be prone to powdery mildew in areas of high moisture, humidity or poor air circulation. |
Notable Specimens | The A. M. Cuddy Gardens, Strathroy, Ontario, Canada. |
Leaf Description | basal, oval-shaped leaves with sliver white spots. |
Flower Description | White, funneled-shaped, formed from five petals with flowers growing in clusters on the stems. |