Quote:
Originally Posted by Isleofpalms85
I don’t know if either one of those exotic tropical plants would be solidly winter hardy in even subtropical Houston, but I think that a lychee tree would have more of a fighting chance at surviving a typical winter in Houston Texas than a sour sop tree would.
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I do not consider Houston to be subtropical. It is only in zone 9. It gets below freezing in winter regularly and occasionally snows. Some might think Houston is so hot it must be tropical but your true tropical plants know otherwise. In my limited experience, neither longans nor lychees like frost although longans are more likely to survive. In the Houston area you would need a very protected south facing alcove. Good luck.