The stoners in Dazed and Confused had one thing right: Colonial Americans, including Virginians Thomas Jefferson and George Washington, did raise hemp (though for practical, not party-at-the-moon-tower, purposes).

This 1729 page from Benjamin Franklin’s Pennsylvania Gazette, held at the Gilder Lehrman Institute of American History, shows that hemp production was a topic of concern among northern farmers as well.

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http://www.slate.com/blogs/the_vault/2013/01/04/benjamin_franklin_his_newspaper_advised_readers_on_the_growth_and_use_of.html