Answer:
Package beneath a tree, inside a tasty treat. Keep it for a month, the taste is just as sweet. What am I?
What is easy to get into but hard to get out of?
What has one eye but cannot see?
I can only be played on a windy day
What dress does everyone have, but no one wears?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.