It is best to follow the plants natural requirements. Most oncidiums will do well in intermediate conditions that are usually found in most homes. When re-potting it is a good idea to under pot oncidiums rather then over pot. Most oncidiums are free flowering and will flower on each mature growth. In the home, an east, shaded south, or west window.
Less light is needed during the winter months.
Needs vary widely. It is best to follow the plants natural requirements. Most dendrobiums will do well under intermediate conditions that are usually found in most homes. Please do not be alarmed if this happens. It is quite normal and will produce new growths with leaves very shortly.