Collocations for corn - noun

ripe | green
The corn is still green.

young | standing
a field of standing corn

ear, sheaf | bag, sack | field

grow | sow | cut, harvest | thresh | grind | eat

grow

field | harvest | cob | mill

corn on the cob
(= maize cooked with all the grains still attached to the cob)

have, suffer from | treat