I grew them in my herb bed close to our house (0.5 meter from west side wall), they get lots of sun all year round (even during winter). During winter 2008, they received -17C and surprisingly they survived ! This winter (2009) they received -14C and survived too!
My conclusion is, they should grow well (outdoor) for you, but just to be safe, don't let them received severe winter in their first year! Grow them in 10 lt pots (can be bigger too) for the first year and plant them to their permanent spot at their second year.
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