"paghat" wrote in message
news
Zone 6 did sound awfully cold for them, but even deserts get could, & I
guess it could well be that the only thing they cannot adapt to is
wetness.

-paghat the ratgirl

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I've tried leaving them outside in the winter by mulching and covering in
zone 6, but I've never had one survive that way. It's interesting that you
mention wetness. My neighbor had one that he mulched, fertilized and watered
regularly. The plant grew to 4' x 4' and was spectacular with masses of
blooms. I got some cuttings last fall and plan to try my luck with it this
year. Yes, I gave him a plant back this spring! ;-)

John