Marijuana in Mexico ...not sure whether it is legalized there already
if yes, then 2-6k can be achieved, it is a nice name.
Or, maybe some green initiative can utilize it, who knows. It is an English keyword, but in namebio.com it seems there are some nice sale in .mx for such keywords. Anyway, nice name with various potential end users.
I think it is a strong domain. The word green has sold in a variety of country extensions, like $22,700 in .it, $4100 in .gr, $1900 in co.uk. It also sold for over $4000 in .me (technically a country code). I think there is good potential in an environmental organization or company in Mexico to want it. May take effort to find the right buyer, but I agree with price range suggested by @lolwarrior. Best of luck with it.