The easiest and most obvious method: buy fresh flowers. These remain longer.
And a few simple tips:
Do not put bouquet in direct sunlight, near radiators;
The rose stems need as deeply as possible to dip into the water, but chrysanthemums, tulips, irises - no way! From as much water as they rot.
The water in the tank should be changed on a clean and cold every day.
Daily, recut the stems, making the corners sharp as possible.
If for You it is important that the flowers stood for a long time, choose the most resistant. This will help the florist Internet flower shop Kvitochka .