The harvest time of corn is generally from August to October. The harvest time varies according to different regions and sowing time. Summer sowing generally matures from the middle and late of September to the middle of October, spring sowing generally matures from the beginning of September to the middle of September; Northern Corn matures from the middle of September to the end of September, southern corn matures after the middle of October.
1. Look at the milk line
Corn back from the top to the bottom will have a root line, the color will change from dark to light, when the milk line completely disappeared, is the best time to harvest.
2. Look at the blades
When the number of green leaves on the corn plant is about 5, it is the best time to harvest.