– Spring: foliage emerges in tidy mounds
– Summer: peak flowering in early to midsummer
– Fall: may rebloom lightly; foliage stays neat
– Winter: dies back to ground in cold zones
– Rich violet-blue flower spikes, densely packed on upright stems
– Blooming period: early to mid-summer (June–July)
– Spikes rise 15–18 inches tall and persist for several weeks
– Rebloom possible with deadheading


