Commercial flower preservatives can prolong the life of fresh cut flowers and are available for sale at local florists.
Fresh cut flowers add a touch of color to any situation. The bright yellow hue of daffodils in bloom is simply a touch of sunshine -- when they bloom. Fresh flowers can be precarious in that they have a biological structure that responds to the environment. Knowing how to manage that basic plant biology is easy and it can have your cut daffodils blooming and your room all aglow.
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Choose the daffodils in your flower garden that have not yet bloomed. These flower buds will be closed or mostly closed, showing just a touch of color.
Cut the stems of the daffodils at a 45-degree angle. This type of cut allows more area for the daffodil to absorb water. Also, cut the daffodil so that just a few inches of stem remain above the top of the base to prevent the flower from drooping once it has bloomed.
Place the cut daffodils in a vase of warm water. Using warm water instead of cold water forces the flower to grow faster while slowing down the blooming process. You will, however, need to change the water daily.
Keep the vase of cut daffodils around 70 degrees Fahrenheit. It is also important to keep the flowers out of direct sunlight.
Re-cut the stems of the flowers at the ends a couple of times while in the vase.
Watch the daffodils bloom within a couple of days. Once the daffodils have bloomed, empty the warm water from the vase and replace it with ice cold water. The ice water slows the daffodils' growth and allows the flowers to live longer in the vase.