Cut the stems about an inch in oblique if possible.
The end of the stem dry up during transport and does not perform properly absorbing nutrients. Through this simple operation will feed your flowers properly.
The leaves of the stem should never be under water. Draw the bottom leaves carefully.
Try to have flowers in a cool place, away from sources of heat or cold as direct sunlight, heating, air conditioners and electrical appliances.
Add to the water 3 drops of bleach and a spoonful of sugar.
Change the water container every two days or so, or when no longer clean.