How do you tell when to harvest corn?

Answer 1

Look at the shucks (outer leaves) and see if they are green and plump or brown and dry. Pull the shucks down enough to expose a few kernels, then puncture the kernel. Really fresh corn will have a milky substance that shoots out.

Answer 2

Once the ear feels plump and full when you squeeze it, pull back the shuck near the tip and pierce a kernel with your fingernail; it is ready to harvest if the juice is milky.

Answer 3

Once the kernels are hard and you can not puncture one with a fingernail.

Answer 4

if the corn is black its spoiled