Preserving A Cut Flower - Knowledgebase Question

San Diego, CA
Question by fsottoj1
March 16, 1999
I am a sixth grader doing a science project on cut flowers and I need to know why sugar helps preserve cut flowers.


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Answer from NGA
March 16, 1999

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There are two recipes for preserving cut flowers. Mix 1 teaspoon bleach and one tablespoon sugar into a gallon of water, or add one cup of 7-Up (or other clear softdrink) to 1/2 gallon of water. Use either mixture in place of water in a vase of cut flowers. The acid slows bacterial growth and the sugar provides nutrients to the flowers, helping them stay fresher longer.

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