Echium 'White Tower'
This must be the world's largest Echium as it can reach a whopping 5 metres when in flower! Endemic to the island of La Palma, this Echium steadily becomes a dense rosette of deep green leaves atop a woody stem, giving a tropical palm-like appearance. Finally, the plant produces a tremendous vertical tower comprised of row after row of tiny white flowers. This plant will flower in its second or third year, and give your garden that wow factor.