A product that I use constantly while working with flowers is Floralife Quick Dip. This product works well with roses and hydrangeas, although you can use them with a variety of flowers. To use this product: give the flowers a cut, then dip in Quick Dip for 3 seconds and then put the flowers immediately in water. This product helps the flowers drink the water better. Additionally, if a flower has "died" it can be revived with Quick Dip. I have seen miracles with hydrangeas!