This is where I grew my orchids. All On trees.
Pic# 1 : general view of my graden with small trees or srubs.
Pic #2 : Ceologene, Cata, Phap on my mango tree
Pic #3 : Dendro, Thrix, Aerides, Rhynchostylis , etc on Mulberry tree
pic #4 : Parapha , Aerides, Dendro on Powder puff (Calliandra)