how is the process of vernalisation advantageous to plant..?

 Vernalization (from Latin: vernus, of the spring) is the acquisition of a plant's ability to flower or germinate in the spring by exposure to the prolonged cold of winter. After vernalization, plants have acquired the ability to flower, but they may require additional seasonal cues or weeks of growth before they will actually flower.

Many plants grown in temperate climates require vernalization and must experience a period of low winter temperature to initiate or accelerate the flowering process. This ensures that reproductive development and seed production occurs in spring and summer, rather than in autumn.^[1] The needed cold is often expressed in chill hours. Typical vernalization temperatures are between 5 and 10 degrees Celsius (40 and 50 degrees Fahrenheit).

For many perennial plants, such as fruit tree species, a period of cold is needed to break dormancy, prior to flowering. Many monocarpic annuals andbiennials, including some ecotypes of Arabidopsis thaliana^[2] and winter cereals such as wheat, must go through a prolonged period of cold before flowering occurs.

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