– Spring: foliage emerges and forms tidy upright clumps
– Summer: long, blue spires begin blooming midseason
– Fall: flowering may continue into early fall with deadheading
– Winter: foliage dies back; plant goes dormant
– Tall, bright sky-blue flower spikes held upright above the foliage
– Spires bloom from bottom to top, adding weeks of floral color
– Bloom period: midsummer into early fall (July–September)
– Adds strong vertical presence and vibrant color to borders