This species forms rounded clumps of interestingly textured long and narrow green leaves, which are captivating from the time they start to emerge in early spring. In early and mid summer the interest levels shoot up as the sturdy spikes of rosy lavender flower spikes do too. Fully hardy this perennial reaches 50cm x 30cm in height and width, attracts pollinators and will thrive in well drained soil in a sunny or partly shaded spot. It can be used in patio planters as well as the open border, and in either case will create an interesting and entrancing focal point.