Exoten und Garten Forum
Hardy Palm and Subtropical Board
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Re: How long should I push my luck?
Message from Ken in cold z6a Ohio
Karen & Jim, thanks for the comments/advice. I agree that the duration of cold and lack of temp rebound is my biggest concern. As an example, I have a Summer Snow gardenia. Buds and Blooms nursery markets this as hardy to zone 6, because their field stock survived one night at -10F. I don't believe it's a zone 6 plant at all, so I protect it. Last year it started to show damage at about 18F. That was its first winter in the ground. The only problem I'm having with it now is that the deer are munching the newest growth, because not much else is green here.
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