Compost Bin

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Compost Bin
Compost Bin.png
Vital statistics
Size 1 x 1
Skill(s) RequiredSpecific needed skills.<br>The default skills every Heartling starts off with, Oral Tradition, Primitive Tools & Wilderness Survival), are ignored. Carpentry, Farming, Gardening
Object(s) Required Board x6, Block of Wood x4, Bone Glue x2
Required By (1) Mulch
Can be Lifted Yes
Has Quality Yes
Hit Points 150
Soak Value None
Go to Objects
Icon keyboard.pngBuild > Production & Processing > Compost Bin

The compost bin allows you to turn compostable materials into Mulch, which acts like soil. It has a meter indicating how much compost material it contains (max 2000 units of compost), as well as a 5x5 inventory grid where mulch is outputted. A fully filed compost bin returns 100 units of mulch. Worms can also be placed in the inventory to speed up the process.

Compostable Items


  • Compost Bin Quality =
  • The quality of the Compost Bin Softcap the quality of Mulch produced.


  • Worms may occasionally spawn instead of Mulch
  • Appears to produce approx. 1 Mulch every 4 hours. (?: with N worms)
  • Mulch produced appears softcapped by the quality of the Compost Bin
  • Adding worms to the inventory speeds up production of Mulch. (see also Talk page)
  • When the compost bin inventory is full. Generated mulch/worms are discarded/lost. (assuming the same for the potential Wood Incorrupt curiosity)(This seems to have changed ...)
  • One bucket of swill fills half the compost bin.
  • One bucket of seeds(1000) fully fills an empty compost bin.

Game Development

  • Market Garden (2016-10-05) >"Added Compost Bin. Fill a Compost Bin with compostable materials and, after some time, retreive Mulch instead. Mulch functions as soil."