Gardenia Thunbergia Thumb(white or forest gardenia) - Knowledgebase Question

bartlett, tn
Question by mseago7688
December 6, 2005
its nice to have a gardenia that will bloom in dreary months.
i need to know can i continue to prune this tree and keep in no more that 5 ft. tall? I would like to see pictures of the leaves, does this have a disease problem? i dont understand what is the problem that i dont see gardenias planted in the south especially if what the paper say on the internet is true that it goes down to 0 degrees then in my south it will be fine. I have the sun and protection. Please this gargenia intrigues me and so doesthe Chuck Hayes gardenia but I love the unique so please research this and let me know.
the wed adaite i found this on is: plantzafrica.com/plantefg/gardenthun.htm


Image
Answer from NGA
December 6, 2005

0

Most gardenias are hardy to zone 8. Your zip code places you in zone 7A which is significantly colder. Also, microclimate can be significant in that your location might be as cold as zone 6 if it is windy or exposed or otherwise subject to colder temperatures than the general area. So whether or not they will grow for you at all is going ot take some experimenting. Only the most winter hardy varieties would possibly survive the cold in your area. Your local professional nursery staff and/or county extension should be able to help you analyze the growing conditions in the site where you are thinking of putting a gardenia and make sure it is suitable. Since you are in zone 7A, you need to look only at the hardier types of gardenia such as "Chuck Hayes" and "Kleim's Hardy". I'm sorry I can't be more encouraging.

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