How Glucose Affects Flowers

I will be doing an experiment to test if the amount of glucose in water will impact how long a flower survives in a glass. I will change the amount of glucose in the water for each flower and then observe which flower lives the longest. For example, one of the flowers will be placed in a glass with plain water, while another flower will have a teaspoon of sugar dissolved in the water. My hypothesis is that if you put more glucose in the glass of water, then the flowers will survive longer after they have been cut.
-Sydney Griffith