The Kukui Nut lei is perfect lei for graduations. The Kukui nut tree (aka: Candle nut and tree of light) has always been a intrigal part of Native Hawaiian culture. The nuts are used for light, medicinal oils and food. As a result, the tree was, and is, a symbol of enlightenment, protection, peace and guidance. These attributes make it a great choice for a graduations, weddings or retirement ceremonies. And, unlike a flower lei, this lei will keep for years and years.