Ask-a-Gardener: ANSWERED: What is the most cold-hardy caffeine producing plant?

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Carolina_Mike
Jefferson City, TN (Zone 6b)

September 17, 2012 4:53 PM

I live in East Tennessee. Zone 6b. Our lowest winter temps are usually about 10 degrees F ( -12 C). Does anyone know of a plant that would grow here and produce caffeine?

I have been told that Camellia Sinensis (common tea) will grow here, but this is only marginally true.

What else is out there?

Thanks, Mike

P.S. I know about ephedra. I am looking for caffeine plants only.

Answered: http://davesgarden.com/guides/articles/view/3934/

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