Whatever you do, don’t plant these seeds. Thousands of packages of unsolicited seeds have been delivered to households in the United States over the past several months. According to the US Department of Agriculture, mysterious light gray or beige packages containing seeds postmarked from China, have been showing up in mailboxes all over the country. In response, Amazon is now banning the sale of foreign seeds, and federal officials are warning us not to touch or plant these seeds. But what is really behind this strange seed scandal?