In article ,
Jim S writes:
|
| I don't think that any can survive their roots freezing, so none would
| be fully hardy in the colder parts of the country.
|
| Here in the North East I have 15 different hardys in my small garden and
| they overwinter fine. True, winters are not what they were, but these ones
| have taken both frost and snow.

To what depth has the soil frozen?


Regards,
Nick Maclaren.