Not all flowers bloom in the spring those that do so largely because they need to set seed and fruit to the side
the sunflowers only bloom in summer because summer has alot of sunshine doesn't it
Daffodils and tulips are popular flowers that bloom during spring.
The pasque flower blooms in the spring and the summer.
Snowdrop.
Bluebells bloom in the spring.
Fall is the best time so bulbs have the winter to be dormant then bloom in the spring. plant in the spring and they will come up but might not bloom
The bloom of a flower is the flower its self.
Most cherries (Prunus) flower in Spring with a few eceptions that flower though the Winter.
The Rose is a seasonal flower, Roses bloom in summer.
I am going with Crocus. http://en.wikipedia.org/wiki/Crocus
It depends on the type of flowers. It also depends on the climate and location. Additionally, it depends on the type of flower. Hepaticas are some of the first flowers to bloom in the spring.
An iris is a spring flower that blooms after most of the spring bulbs are done. The leaves are like tall blades or little swords. The flower comes from a tuber or rhizomes. They bloom in many colors and are often used in spring floral arrangements.
English bluebells bloom in the spring. It grows from a bulb. Another name for it is wild hyacinth fairy flower or wood bell.