North America
In the United States and Canada, the growing season usually means the days between last and first frost, or approximately the last and first occurrence of 0° C (freezing) overnight low temperature.
In the northern regions this is roughly May to October, in southern-southwestern-Californian regions it is roughly March to November or longer. Proximity to maritime of extremes can extend the growing season.
Read more about this topic: Growing Season
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—Edgar Allan Poe (1809–1845)
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—Henry David Thoreau (1817–1862)
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