Pulmonaria officinalis 'Sissinghurst White' (Sissinghust White Pulmonaria, Sissinghurst White Lungwort)


Botanical Information

FamilyBoraginaceae
GenusPulmonaria
Speciesofficinalis
Cultivar'Sissinghurst White'
CategoryPerennials
OriginAmy 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 Zone4 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone2a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-35 - (-7)
Temperature (°F)-30 - 20
Height20 - 30 cm
Spread30 - 45 cm
GrowthFast
Flowering PeriodApril, May

Description and Growing Information

PropagationBy division.
CultivationWell drained, humus-rich soil in full to partial shade. Cannot tolerate high amounts of moisture.
PestsMay be prone to powdery mildew in areas of high moisture, humidity or poor air circulation.
Notable SpecimensThe A. M. Cuddy Gardens, Strathroy, Ontario, Canada.
Leaf Descriptionbasal, oval-shaped leaves with sliver white spots.
Flower DescriptionWhite, funneled-shaped, formed from five petals with flowers growing in clusters on the stems.

Photographs