Light: Place the plants in or near a sunny window. When grown as houseplants, paphiopedilums need good light to do their best. Paphiopedilums and phalaenopsis do not need as much light as cattleyas, cymbidiums or vandas, but they do need at least the light required to bloom African Violets. They will be comfortable at any temperature that is comfortable for humans (55-80 degrees). Avoid cold or warm drafts such as near an open window or heat vent. Some species may require cooler temperatures to flower properly.