(Red sage; Dan Shen). This is a graceful plant that has slightly floppy stems of lovely soft divided leaves which emerge from the winter dormant taproot. Whorled spikes of gorgeous lavender-blue flowers, quite large and with a hooded upper lip appear throughout the summer, with repeat flowerings if kept deadheaded and watered regularly. Prefers a semi-woodland position with part shade and protection from hot sun in summer. 30-50cm H x 30-40cm W. 1 litre pot.