Because of the risk for pests, all plants must be declared at the border. In one instance, Customs inspectors found two undeclared plants tucked away in a suitcase strapped to the roof of a car.
鈥淓verybody keeps their plants in a suitcase, right?鈥 says Tracy Filippi, agriculture program manager with Customs and Border Protection in Arizona's Tucson sector. 鈥淩ight there with their underwear.鈥