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Mud Block
  • Mud Block item spriteold Mud Block item sprite
  • Mud Block placed
Stack digit 9.pngStack digit 9.pngStack digit 9.png
Placeable✔️ (1 wide × 1 high)
Use time15 (Very fast)
RarityRarity level: 0
Research100 required

Mud Blocks are a very common block type that comprises the majority of the Jungle, Underground Jungle, and Glowing Mushroom biome. Mud Blocks may be covered by Jungle or Mushroom grass on any side, which can only grow and spread on mud, and can be planted with Jungle Grass Seeds and Mushroom Grass Seeds, respectively.



ResultIngredientsCrafting station
Mud BlockMud BlockWaterWater
Mud BlockMud Block (Desktop versionConsole versionMobile versionNintendo Switch version)Work BenchWork Bench and Ecto Mist
total: 2 row(s)

Used in[]

ResultIngredientsCrafting station
Mudstone BrickMudstone BrickFurnaceFurnace
Mud WallMud Wall (4) (Desktop versionConsole versionMobile versionNintendo Switch version)
  • Mud BlockMud Block
Work BenchWork Bench and Ecto Mist
total: 2 row(s)


  • In Hardmode, the evil biomes are capable of converting nearby Mud Blocks to Dirt Blocks, and Chlorophyte Ore is capable of doing the reverse. While the evil biomes can also convert Mud Blocks covered by Jungle grass into a Dirt Block with the respective evil grass type, Mud Blocks with Mushroom grass can never be converted.
  • Thrown Water and the Clentaminator similarly convert Mud Blocks covered with Jungle/Mushroom grass. Bare Mud Blocks will not be converted by these items, unless there is a grass block of the target biome (e.g. a Crimson grass block when using Blood Water/Red Solution) directly adjacent to it.[1]


  1. Information taken from the Desktop version Desktop source code, method Convert() in Terraria.WorldGen.cs. There may be inaccuracies, as the current Desktop version Desktop version is


  • Desktop 1.0.6: Removed chance to fall when struck (reverting the earlier change).