I’m not alive, but I can die. And, always, when you need me the most.

Throw away the outside and cook the inside, then eat the outside and throw away the inside.

The end of my name rings of the royal, But where I’m hung up could make your skin boil! I am stuffed with delights by the dozen Or by two stinky twins, and their ten wriggly cousins.

I am commonly referred to as a cob when eaten.

My last four are a staple crop, Thats also known as maize, If you'd kept me away from the squirrel, We might have stayed in the ice age, My first is a simple vowel, That is not found in oil, south, or tie, I grow into a strong tree, What am I?