Store orchid flowers on the plant as long as possible and harvest the flowers as close to the time of arrangement assembly as possible. Orchids will remain fresh while on the plant for up to seven weeks.
Store Cattleya, Vanda, Dendrobium and Phalaenopsis cut blooms for up to two weeks time in clean water and under refrigeration temperatures between 40 and 45 degrees Fahrenheit.
Store Cymbidium and Paphiopedilum cut orchids in clean water at cooler refrigerated temperatures for up to three weeks time. Maintain temperatures between 33 and 35 degrees Fahrenheit.
Store Oncidium and Archnis culitvars in clean water for up to one week at temperatures between 50 and 55 degrees Fahrenheit and roughly 95 percent humidity.