One of the most important quality criteria in cut flowers is vase life. Vase life does not only affect consumer satisfaction but also consumers' demand for flowers. The post-harvest strength of cut flowers is affected by pre-harvest, while-harvest, and post-harvest factors. This study investigated the effects of some essential oils on the vase life of gladiolus (white prosperity) flowers obtained from cut flower producers in Tokat / Erbaa. In the study, 10 different solutions of various doses including control (pure water), 20 ppm AgNO3 + 4% sucrose, 25 ppm AgNO3 + 4% sucrose, vinegar (0.6%) + sucrose (4%), vinegar (0.6%) + sucrose (6%) lavender oil 150 ml / l (LY) + sucrose (4%), lavender oil 150 ml / l (LY) + sucrose (6%), thyme oil (50 mg / l), thyme oil (100 mg / l), and sodium hypochlorite (4.6 mg / l) were used. The study determined the effects of different vase solutions on post-harvest daily solution intake of gladiolus flowers (White Prosperity) and the effects of the solutions on vase life. While the longest vase life in gladiolus (White Prosperity) flowers were obtained from lavender oil 150 ml / l (LY) + sucrose (4%), (19.6 days) and sodium hypochlorite (4.6 mg / l) (17.3 days) treatments, the vase life in the control (pure water) was determined to be 14.3 days.