Yes, you can generally take flower leis home from Hawaii to the U.S. mainland, but they are subject to strict USDA (Department of Agriculture) inspections. As of 2026, the key is the type of plant material used. Most common flowers like orchids, carnations, and plumeria are permitted after a quick visual check for pests or disease at the airport’s agriculture counter. However, leis containing citrus-related plant parts (like mock orange leaves or flowers), jade vine, or Mauna Loa are strictly prohibited to prevent the spread of invasive species like the Asian citrus psyllid. Leis with fresh botanical fruits (like berries or pandanus fruit) are also banned. To ensure your lei makes it home, always ask the vendor if it is "mainland-safe" and keep it in its original packaging. When you arrive at the airport, you must declare it and present it for inspection before you check your bags or go through security.