The Vanda orchids are totally tropical and are cross compatible with other genera like Ascocentrum, Aerides, Rhyncostylis, Neofinetia, Renanthera and even Phalaenopsis. All orchids having the same characteristics as the Vanda genus is called as a vandaceous orchid and they grouped together to form the Vanda Alliance. Genera like Vandas, Aerides, Ascocentrum, Renanthera, Rhyncostylis, Aranda, Mokara, Kagawara are included in the Vanda Alliance. They are ideal for cut flowers, hanging baskets, pots or tree logs. The present investigation was carried out with 18 hybrids of Vanda orchids which were grown with recommended package of practices under greenhouse condition. Observations were taken on 65 morphological characteristics which could be used in future for crop improvement programme for developing new Vanda hybrids.