Stardew Valley Bone Mill Guide
Introduction
Bone Mill is a device added in Stardew Valley 1.5, used to convert Bone Fragments into various fertilizers. It is an important part of Ginger Island content.
Unlock Condition
- Recipe unlocked after reaching Foraging Level 8
Crafting Materials
- Bone Fragment x10
- Clay x3
- Stone x20
Function
After putting in Bone Fragments, Bone Mill randomly produces one of the following fertilizers:
| Output Fertilizer | Probability |
|---|---|
| Fertilizer | About 40% |
| Quality Fertilizer | About 30% |
| Speed-Gro | About 20% |
| Deluxe Speed-Gro | About 10% |
- Put in 1 Bone Fragment each time
- Processing time is about 4 hours (game time)
Bone Fragment Acquisition Methods
- Ginger Island Dig Spots - Use Hoe to dig bones on Ginger Island
- Ginger Island Monster Drops - Defeat skeleton monsters on Ginger Island
- Golden Coconut - Chance to obtain when opening Golden Coconuts
Usage Tips
- During long-term exploration on Ginger Island, Bone Fragments accumulate in large quantities; Bone Mill is a good way to consume them
- Produced Quality Fertilizer and Speed-Gro are very helpful for farm crop growth
- Recommended to process in batches to increase probability of obtaining high-quality fertilizer
Notes
- Output is random, cannot specify which fertilizer you want
- Bone Fragments are also crafting materials for other items, please allocate reasonably
Related Equipment
- Fertilizer - Directly improves crop quality
- Seed Maker - Coordinates with fertilizer to optimize farm