A 3.5" pot of Lobelia
Choice of:
Starship Blue
Starship Rose
 
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
* We will have Mondarda Balmy Lilac & Mondarda Balmy Purple in larger pots coming