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Mushroom Grass Seeds
  • Mushroom Grass Seeds item spriteold Mushroom Grass Seeds item sprite
Use time15 (Very fast)
Max stack999 / 99
RarityRarity level: 0
Research25 required

Mushroom Grass Seeds are a type of seed that has a 1/40 / 1/50 chance to drop from harvesting Glowing Mushrooms. The seeds can also be purchased from the Dryad for 150 each if the Dryad is spoken to in a Glowing Mushroom biome.

Mushroom Grass Seeds must be planted on Mud Blocks and can be grown both above and under ground. Once planted, Mushroom grass will begin to spread to adjacent mud blocks and grow Glowing Mushrooms, as well as Giant Glowing Mushrooms when enough space is available.

Mushroom Grass spreads much slower than ordinary grass or Corruption, at a speed comparable to Jungle grass – 3-5 tiles per day for each continuous section of Mud Blocks. Mushroom grass, as well as the mushrooms that grow on it, emit moderate light.


Used in[]

ResultIngredientsCrafting station
Purple ThreadPurple Thread
  • Mushroom Grass SeedsMushroom Grass Seeds (3)
Placed BottlePlaced Bottle
Alchemy TableAlchemy Table
White ThreadWhite Thread
  • Mushroom Grass SeedsMushroom Grass Seeds (3)
total: 2 row(s)


  • If the Mushroom grass can spread to enough blocks, it will create a Glowing Mushroom biome. Creating such a biome above surface level (and a house within it) is necessary to allow the Truffle NPC to spawn.
  • Mushroom grass can also be created by using the Clentaminator with Dark Blue Solution on Jungle grass. However, the seeds are available long before the Clentaminator, and Dark Blue Solution is not available until Truffle has appeared.


  • Desktop
    • Drop rate increased from 1/50 to 1/40.
    • Stack limit increased from 99 to 999.