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logixsti

Dianthus Super Parfeit - hardy or not?

logixsti
9 years ago

I've been searching the internet for days now for an answer and some sites say this is cold hardy to about 5a. while other sites say not cold hardy at all.....one garden center employee said it's hardy perennial in my area but another at another place said it's an annual.

Anyone know for sure what these are? I'm in zone 7 (Long Island, NY)

Thanks!

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