Sturdy spire of a perennial with symmetry in mind. Whorls of pointed foliage lines the stems on the 5 tall plants. At the top vertical spikes of fine periwinkle blue flowers appear and grow. They remain pretty for weeks. In fall the still standing stems take on bright yellow fall tones and holds it for several weeks. Full sun and rich, well drained soil with regular summer irrigation Becomes more tolerant of drought with age and establishment. This form is popular for its occasional tendency to fasciate. A harmless contortion of the flower spikes. Cool cut flower.