The festival was a way to "extend the late-summer coastal tourist season," taking advantage of the flowers being in full bloom.Begonias thrive in the cool, moist climate of California, making its location and timing prime for the festival.
The daffodil blossoms signal the end of the winter thaw and the coming of spring for the city. Around three million bulbs have been naturalized into the area and have even been planned to include "late blooming" phased bulbs to extend the season.
Keukenhof is known as one of the largest flower gardens that symbolizes the coming of Spring through thousands of tulips bulbs blossoming, fields of narcissi and hyacinths flowing, and lilies thriving. The timing is based on the bulbs being planted during the fall in anticipation of their reveal for the spring.
The festival functions as a symbol of when the cold winter is over and spring begins, bringing along the harvesting period and festivities that occur among orchards in full bloom with apple tree blossoms.
The festival revolves around the "festival of roses" which originally focused on the beginning of the rose harvesting period. Roses are crucial for the rose picking and boiling rituals and the area in Bulgaria is home to a particular type of rose that has a harvest period of 20-25 days and particular preservation methods.