Bone Meal

 is a vanilla item that can be used on grass blocks to grow grass and Flowers. When used on plants causes them to grow instantly.

Bone Meal also counts as white Dye, and is the only source of white dye in SkyBlock.

There is also Enchanted Bone Meal, which can be used to instantly grow trees.

Usage

 * Quickly growing crops
 * Spawning flowers
 * White dye