You can grow them in pots and place them in a frostfree place during the winter.

You can also try some of these varieties:

Fuchsia magellanica alba
Fuchsia magellanica gracilis
Fuchsia magellanica riccartonii

These survives the winters in the stockholm area (I think it´s around am. zone 5) but you have to plant them deep 10-15cm under the surface in a well drained place. They do not grow so large in my garden.

You can also try other magellanica varieties they seem to be quite hardy.

Forgot to write that hardy fuchsias has to be planted in spring-early summer so that they are well established when the winter comes

Found this entry at the swedish fuchsiasociety yhat might be of interest.

Here is a link that might be useful: Hardy fuchsias