Pulmonaria ' Blue Ensign' is a striking Lungwort with clear blue flowers that appear in large clusters from March to May. ? Blue Ensign? has unusually broad foliage, unspotted & more refined, creating low spreading clumps that form an attractive ground cover. Awarded an RHS AGM, this superb variety attracts pollinating insects with its nectar rich blooms, & is ideal for bringing spring colour to woodland areas & shaded borders.