Probably the drama queen of the Echiums... 
Echium pininana, also called Tree Echium and Giant
Viper's bugloss, is a plant, native to La Palma in the Canary Islands. E. pininana is a biennial or triennial, showing little more than leaf in the first year, but subsequently produces a dense, 10-12 ft high (potentially) flower spike that carries a dense mass of leaves and small blue flowers. Attracts many Hummingbirds, Bees, Butterflies.
The tree echium is a showy plant, that will withstand negative temperatures down to 26°F - 25°F (-3°C to -4°C) - zone 8+
Inflorescence of the tree echium appears in the beginning of the second spring. Resembling a Palm tree, the stem quickly reaches up to 10-12 ft tall, and bears numerous tiny blue-violet flowers.
Certainly the most sought-after of all Echium species that will bring crowds flocking to see it. Stunning!
Seeds...
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