The USDA is telling people to contact the State Department of Agriculture if they receive these seeds from China and to not plant the seeds.

No one seems to know what these seeds are (or if they do, they aren't saying.) But officials say that they don't want people planting them because they could be invasive species.

CBS News reports that people in all 50 states have received the packets of seeds.

In an official statement, the U.S. Department of agriculture said that at this time they believe that this is actually a "brushing scam" in which people receive unsolicited products from a seller, and then the seller turns around and posts fake customer reviews to improve their sales.

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