The phrase "planting season" refers to the time of year when plants are typically sown or planted in order to grow and bear fruits or flowers. Full definition
It was rice planting season in my hometown when I went home to visit last year and it it brought me back to many childhood memories. (freshncrunchy.net)
When the next planting season comes around, he gets in some local people to work his crop. (religion-online.org)
Though construction is complete, restoration continues as planting season is in full swing! (parksconservancy.org)