Which flower preservation method is most crucial for ensuring longevity?

The most crucial flower preservation method for ensuring longevity is water storage. When flowers are cut, they rely on water uptake to maintain their vitality and freshness. Proper hydration is essential for prolonging the life of the blooms, as water helps to transport nutrients and maintain turgidity, which keeps the flowers looking vibrant and healthy.

In contrast, while proper refrigeration and air circulation play important roles in flower preservation, they are secondary to the immediate need for water after the flowers have been cut. Proper refrigeration can slow down respiration and wilting but is not effective if the flowers are not adequately hydrated. Similarly, while drying can preserve the shape and color of flowers for decorative purposes, it does not maintain their life in the same way water storage does.