I worked at an animal feed store in the early 90's while in school. We would receive shipments of big bags of hemp seed, like 25 pound clear bags of pot seeds

I worked at an animal feed store in the early 90's while in school. We would receive shipments of big bags of hemp seed, like 25 pound clear bags of pot seeds (which I always laughed about) for birds, so apparently hemp seed was legal at that point at least.