Pulmonaria longifolia ‘Bertram Anderson’
This plant is as attractive in leaf as it is in flower. It makes evergreen clumps of 20cm long narrow dark green leaves with contrasting white splashes. During spring the flowers, on 30cm tall stems, are pink in bud but darken to rich true blue as they open. Best grown in shade even dry shade when established. It will grow 20cm tall by 50cm across.