Galangal is easy but takes a while. Or, at least mine has. I got a piece at the grocery store & planted it and now 2 years later, it is finally starting to spread. I think most of the slowness was my failure to adequately water & fertilize. If you grow yours in a pot, it should do fine & you can bring it in during the winter.
Also, I'd miss that grocery store too if I went away. I love that place. If you want, I can make a list of what herbs they have next time I go.
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