Cranesbill, Rozanne (Deep Violet Blue  18-24″x30″) Zone 5

Rozanne’ has become one of the very best hardy geraniums for perennial gardens.
The flowers are 2.5″ wide and a striking shade of violet blue with white centers.
Starts blooming in late June and repeats blooming into autumn.
Grows into a nice spreading mound, reaching a mature spread of 2-3′.
Foliage will become a red-brown in autumn.
PPA Plant of the Year for 2008.
Needs winter protection in zone 4.  #1 gallon