Aether Grass is a block found among the islands of the Aether. It is mined much faster than normal grass and it spawns most of the Aether's creatures such as:
It will spread to adjacent Aether Dirt blocks just like normal grass. Sheepuff will eat this grass as food leaving behind a block of Aether Dirt. This and Aether Dirt are the only blocks you can grow Unknown item 0:0s and Golden Oak Saplings on.