One of the rarest orchid species originates in the East of Thailand. It is normally found in the forests of Chanthaburi and Trat. First blooming, a bouquet of Luang Chanthabul turns into pale yellow and gradually changes to the darker shade as time goes by. Its petal is brittle and its skin glossily shines. The orchid season lasts for about 3 months form January to March. The Chanthaburi orchid Festival is held every year in February for three to four days at Ratchamongkol Institute of Technology in the Krathing district. It is one of the biggest orchid exhibitions held in here Thailand and actually a must to visit for orchid lovers.