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Pulmonaria angustifolia ssp. azurea
© Deeproot Plant Base
common name: Lungwort
synonyms: Pulmonaria azurea, Pulmonaria angustifolia 'Azurea'
perennial, evergreen, semi-evergreen
leaf colour: green
flower colour: blue
main season: Spring
part shade, shade
moist soil, clay soil
preferred soil pH: any
minimum temp: -35°C
USDA zone: 4 to 8
Narrow all green leaves. Intense blue flowers, tinted red when in bud, produced in early spring.
Moist, well drained, fertile soil. Best in part shade.
Cut back to ground level in autumn. Divide in spring or autumn. Mulch in autumn and spring. Can be prone to mildew if they become too dry.