Posted by plantrob (Lehigh Valley, Pennsylvania - Zone 6b) on Jun 28, 2015 1:48 PM concerning plant:
I'd grow this allium even if it never bloomed. The bluish-green foliage on a mature plant is marvelous: broad, just a little curvaceous, with a smooth rounded tip. They take a few years (from seed) to reach this stage, but it's worth it. I grow them in the rock garden.