A 3.5" pot of Delphinium (aka Larkspur)
Choice of:
Delphinium Hunky Dory Sky Blue (Dwarf Ferny Leaf)
Delphinium Hunky Dory White (Dwarf Ferny Leaf)
Delphinium Magic Fountain Cherry Blossom 
Delphinium Magic Fountain Mid Blue w/ White Bee 
Delphinium Magic Fountain Sky Blue
Delphinium New Millenium Blue Lace
Delphinium New Millenium Blue Buccaneers
Delphinium New Millenium Cobalt Dreams 
Delphinium New Millenium Dusky Maidens
Delphinium New Millenium Green Twist
Delphinium New Millenium Morning Lights
Delphinium New Millenium Pink Blush 
Delphinium New Millenium Purple Pagans 
 
Not sure if flowering yet.  First year they generally don't do much more than you see.  Second year they should be full grown.
 
*From Mike Weber's Greenhouses. 
*Photo is stock photo