Jacob's ladder

Jacob's Ladder is a species of flowering perennial plant in the brassicaceae family. It is native to the mountains of Southern and Central Europe and in the mountains of the Caucasus. It has airy, deeply lobed leaves and bearing clusters of pale-blue to purple-blue flowers in early summer. It grows in clumps with moundlike form and can reach heights between 60cm to 1m (2-3 feet).