Tropicdoc Posted April 20, 2015 Author Report Share Posted April 20, 2015 You gotta plunge plumerias and overwinter in the garage. Had some small ones when I lived in Galveston. Hibiscus are hardy to about 25 F, unless you grow the hardy ones (Rose of Sharon, Texas Star, Rose mallow etc.) Link to comment Share on other sites More sharing options...
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