Echium nervosum seeds grow into the Madeira pride — a perennial shrub endemic to the subtropical biome of Madeira, growing on sea cliffs and rocky slopes of the island. The epithet nervosum means 'nerved' or 'strongly veined', referring to the prominently veined leaves. Produces spectacular dense cylinders of vivid blue-purple flowers on branching stems. One of the most ornamentally outstanding Echium species from the Macaronesian archipelago that has, along with its Canary Island relatives, given rise to a celebrated tradition of cultivation of giant Echium in mild maritime gardens (particularly in Cornwall, Ireland and New Zealand). Family Boraginaceae.Full sun; well-drained, rocky coastal soils; warm subtropical maritime conditions; frost-tender. Spectacular blue-purple flowering shrub for mild coastal gardens. 'Nervosum' = strongly nerved/veined; Madeira endemic; vivid blue-purple dense flower cylinders Macaronesian giant Echium; celebrated in mild maritime gardens (Cornwall, Ireland, New Zealand) Madeira (Macaronesia) — subtropical biome; sea cliffs and rocky slopes Genus Echium ~60 species; Family Boraginaceae Full sun; rocky coastal soils; warm subtropical maritime; frost-tender; Family Boraginaceae Echium nervosum is the Madeira pride — a spectacular blue-purple flowering shrub of the Madeiran sea cliffs, part of the group of Macaronesian giant Echium species that have become icons of mild maritime gardens in Cornwall, Ireland and New Zealand, where their towering flower cylinders create some of the most dramatic ornamental displays in the temperate garden world. IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.