Each item in Minecraft has a unique ID assigned to it, known as an item ID, this can be used in commands to spawn the item into the game. The item ID for seagrass in Minecraft is shown below:
The Seagrass item can be spawned in Minecraft with the below command. Cheats must be enabled before this will work.
Seagrass was introduced in Minecraft Update Aquatic. It has the same properties as regular grass, but grows underwater.
|Max Stack Size||64|
|Min / Max State IDs||1044 - 1044|