Grass Block

The Grass Block is a vanilla block.

Trading
Note this trade can only be done to produce 640 blocks or 10 stacks a day, it is unclear if this is intended or a bug.

Uses

 * Farming Minions (except Animal and Nether Wart minions) requires Grass to make grow crops.
 * Flower Minion requires Grass to plant flowers.

Trivia
You can change the Biome of a Grass Block with a Biome Stick.