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Re: Rose of Sharon


Today, > Heather in Markham, Ontario, Canada asked:
> I just purchased a Rose of Sharon (couldn't resist - it's a double, in
> bloom).  I think it is just borderline hardy in my area (Cda Zone 6).
> What can I do to increase its chance of survival?  I plan to plant it
> this week, so a speedy reply would be appreciated if a choice of
> planting location would affect it.  TIA.

Heather, 
I have a pink double, with a darker heart (the eye if it had been single)
that has been hardy in central PA ( USDA 6 / Sunset 43) for 20 years. 
During that time, we have had temps under minus 25F, with and without snow
cover.  This plant comes back every year.
Rick Grazzini
rickg@centrelab.com
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