If you’re cutting your own tulips and you want them to last as long as possible in a vase, cut them before they’re fully opened. Cut as close as possible to the ground.
You can choose short or tall tulips depending on the arrangement you plan to make. [9] X Expert Source Denise Porcaro TupperFloral Design Expert Expert Interview. 5 April 2022.
You can try putting lemon juice, pennies, and other such materials in the vase with the flowers. Some say these tricks work, but research shows that flower food is much more effective. [10] X Research source