For graduation celebrations flower arrangements and balloon bouquets are always a great gift idea when looking to celebrate during Graduation Season. Sending Orchid leis has become a long time tradition when looking to give your graduate a unique gift at the graduation ceremony. Hand Made Orchid Leis And Graduation Flowers. Made to order our Orchid Leis are available year round using Dendrobium Orchids imported from Thailand that are available in Purple and White. During the graduation season stem dyed orchids come available. Using the same type of orchids they are available in Blue Yellow and Burgundy.