1、 Shandong region

Spring maize is usually planted in early April in Shandong. Because spring maize is sown early and has a long growth period, the yield is relatively high. Generally, it can be harvested in late August or September

2、 Northeast China

Spring corn in Northeast China is usually sown in Guyu, that is, around April 20, and can be harvested in October

3、 Hebei region

Hebei is divided into spring corn and autumn corn. Spring corn is usually sown in late April or early May, and can be harvested in late August; Autumn corn is usually sown before the middle of July and harvested in late October

4、 Southern Region

Spring corn in southern China is usually sown from the end of March to the beginning of April, and can be picked in early July