Not all my bulbs have arrived, but I spent all night dreaming about where to plant these from Brent and Becky's Bulbs. I have never grown ornamental alliums before, but there were so many beautiful varieties in gardens this year that I decided the time had come. Brent and Becky offer 26 varieties of allium.  I ordered A. aflatunense 'Purple Sensation' which has a slightly airy globe of tiny violet purple flowers on a 20 to 30 inch…