How many days is the frost-free period of Shanqitun Village, Huai 'an Town, Huai 'an County, Zhangjiakou City, Hebei Province? Is it suitable for growing grain?

The frost-free period of Shanqitun Village, Huai 'an Town, Huai 'an County, Zhangjiakou City, Hebei Province is 160-200 days, which is suitable for growing grain.

Due to the different geographical distribution of animals and plants, as well as the regional differences in natural conditions and socio-economic conditions, a variety of stable and regional agricultural regional types have been formed in a certain region of the world.