That was a variety I hadn't heard of before, so I did a google search for it.

Here's a link I came up with...

http://www.yardener.com/ChoosingConeflower.html

It appears that it is was a new variety for 2005 so it may be hard to locate locally.

Here's a few nurseries online that sell them...

http://www.gardencrossings.com/index.cfm/fuseaction/plants.plantDetail/plant_id/372/index.htm

http://www.bigdipperfarm.com/cgi-bin/searchall.pl

http://www.sugarcreekgardens.com/APPerennialsE.htm

Hope that helps you out some!

Tara