Science: 4 seasons country, fruits.?

i am not living in 4 seasons country, so idk anything about these. what makes fruits able to grow in certain season? Why can't it grow in other season? For exampe, why can't blueberries grow in winter? Does it grows in summer or spring? If it grows in spring/summer, what kind of conditions that support the... show more i am not living in 4 seasons country, so idk anything about these. what makes fruits able to grow in certain season? Why can't it grow in other season? For exampe, why can't blueberries grow in winter? Does it grows in summer or spring? If it grows in spring/summer, what kind of conditions that support the growth of blueberries? What variables affect blueberries growth? Please give some links too if you have, because i know that it will need long explanation.
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