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How to keep Hydrangea Cut Flowers for longer time.

To keep the Hydrangea cut flowers for longer time, you need to cut the end of stem by angle with using a sharp knife. Then put the newly cut end in the hot water and keep it for few seconds. Then take the stem out and put it in cold fresh water.

That would be helpful also, if you add some flower food to the water and change the water every 3 to four days.