(Initial revision 7 Jan 2013)
I have to admit, I under use this group of perennial for no good reasons. I have a few varieties in the garden, but have not keep track of them with photos.
I have a few seed sown plants in the production bed, but have not start using them yet.
The clump I have had been waiting for me to divide for a couple of years.
Amsonia jonesii ‘Jones’ Bluestar’
I have been ignoring it for a few years.