It's called Victoria Falls. I have cut armfulls of long blue stalks for Thanksgiving. I have had a bloom or two at Christmas. In spring it is masses of fragrant blue flowers at just the same time that Golden Celebration, that fabulous David Austin rose, is throwing huge long arms of yellow roses, weeping under their weight.  And it is blooming today, cheering a drizzly gray day. Someone asked me "What's your favorite flower?"  I answered "Whatever is blooming now."