Some people swear by adding drops of bleach, a penny, or the little packets of flower food into the water of a vase. All to prolong the life of the blooms. I've tried them all during my 40 years experience as a florist. During that time I've found these 3 to be the best, adding many days and sometimes weeks of life to cut flowers. 1. Sanitize If using a vase from your cupboard, sanitize it first with bleach or run through a dishwasher. The idea is to kill any bacteria that will plug the flower stems, which will cause water to stop getting to the blooms. Don't use dish soap, as it will choke the flower stems as well. 2. Trim Stems & Prune Leaves Trim the stems at an angle before putting into your vase. Also, remove leaves that would be submerged under water in the vase. Not only does it make a clean presentation, it cuts down on bacteria that would grow in the water, clogging the stems. 3.Daily Change Water & Trim Stems Daily chang...