Anne Middleton/Harold Walker wrote:

"Nick Maclaren"
"Nick Maclaren" wrote in .
And the USDA zones are a damn-fool idea anyway, as they measure
///////////////// to repeat Nick, it is a useful tool but not the only one.

It is only useful in a continental climate. It gives insane results when
applied in the UK. The UK winter cold and the damp will kill lots of things
that USDA zones would have you believe were winter hardy.

The Sunset Climate Zones for the Pacific NW are a closer match but still not
perfect.

http://oregonstate.edu/dept/ldplants/sunsetzn.htm

Regards,
Martin Brown