Cloud Corn is a kind of plant found in the Ninjago Sky.
Ninjago.com Description
Wildlife: Vegetation
Warning! Pack some seed because these plants have no roots!
Cloud Corn:
When it's warm, you can see rows and rows of corn stalks in the clouds, and when it's hot, well, be prepared to catch buckets of sun baked pop corn raining down. Ninjago has delicious weather.