Cut off to 1 inch of the stem of each rose while holding under water with a sharp knife or shears. This prevents air bubbles from getting into the flower stem. Arrange the roses in a vase prepared with warm water and the preservative you received from the florist. To help your roses last longer keep them from excessive heat and sunlight, or drafts, your flowers will last longest in a cool location. Watch the water level in the flower vase and refill as needed daily.
Roses drink large amounts of water.
If the level falls below half in the flower vase, replenish with water and floral preservative. If you follow these suggestions you should be able to enjoy the roses your received from the florist for the longest possible time.