Here is one that will get noticed in your garden. Light golden foliage with dainty violet blue flowers with a yellow center.
My plant in the display garden in nearly always in bloom. Easy to grow and no pruning. See picture here:
http://www.clematis.hull.ac.uk/new-clemdetail.cfm?dbkey=3337. I only have a limited number of these.
Location: sun to semi shade
Pruning Group: 1 - No Prune
Raised By: H Stolwijk Holland 2006
$18.00 per vine