Planting season and climate of coix seed

The planting season of coix seed is in spring, specifically from early March to early June, that is, March at the earliest and mid-June at the latest. Planting too early or too late will affect the yield. Its growth requires certain temperature and humidity, the temperature is unstable too early, and it is easy to frostbite seedlings. It's too late. The high temperature and dry climate is not good for growth.