I was thinking of the Angelina in front and the Echinacea in the back with the dark sedums.
Black Jack is a dark-leafed variety.
Here's Black Jack
http://www.directsourcehostas....
The Mr. Goodbud has beautiful pink blooms. I've never seen one with such great blooms.
Here's Mr. Goodbud
http://www.naturehills.com/ima...
I'll post my own pictures if I can find them. I took too many pics last year.