(1) The period and/or number of days between the last freeze in the spring and the first frost in the fall for the freeze threshold temperature of the crop or other designated temperature threshold. (2) Also, the average number of days exceeding 32°F (0°C).
GROWING SEASON
Meaning of GROWING SEASON in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012