How long do tulips last in the vase?
With proper care, tulips should open and last from three to seven days. For longest vase life, buy tulips with flowerheads just starting to open (the bud should be closed, but with the colour of the flower evident). Before arranging tulips, condition them by re-cutting the base of the stem with a clean sharp knife. This will open up the flower’s water-uptake channels. Don’t bother with cut-flower food—tulips don’t need it. Keep away from sources of heat (including direct sunlight, radiators, lamps and old television sets).