Two of the clematis I love the most are not hardy in my zone. Can you recommend anything similar to these that works in 5a?
http://davesgarden.com/guides/pf/go/130682/
http://davesgarden.com/guides/pf/go/56983/
Love the white with the dark, striking centers. I guess I go for drama. . .
Something similar to Sieboldii and Vienetta hardy in Z5?