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Coalroot

Uncommon Mutation

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Coalroot is an Uncommon mutation. It is used to make 1 other item. On the Bazaar it costs 167k coins right now.

Coalroot

Machine Fuel

Adds +5,000 Fuel to a refuelable

machine.

A smoldering root that oddly can

also be used as fuel.

Complete Visitor Beth's quest to

Analyze this crop!

UNCOMMON MUTATION

Bazaar price, hourly Instant buyInstant sell

Growing it in the Greenhouse

Grows next to	5× Ashwreath within 1 block 3× Scourroot within 1 block
Conditions	Grows on Farmland
Size	1x1
Growth	8 growth stages; needs water
Drops when harvested	Potato ×510 Carrot ×1,190 Nether Wart ×510 Farming XP ×460
Effect on neighbours	+20% farming XP to adjacent crops (XP Boost)
Spawn weight	25
Crop Analyzer	80k to analyse → 40 Copper (+500 the first time)
Ethereal Vine chance	20% per harvest

Full tree: everything it takes from base crops

5× Ashwreath
10× Nether Wart
10× Fire
3× Scourroot
3× Potato
3× Carrot

Base crops in total: 10× Nether Wart · 10× Fire · 3× Potato · 3× Carrot

Each mutation in the tree has to be grown that many times, with its own neighbours around it.

Notes

Gives 5,000 fuel in a Drill Anvil or the Composter
Used to make Chloronite

Show the layout in the Greenhouse planner

Source: community wiki, read 2026-09-26. Written in our own words; see Sources.

Obtaining

Unlocked by

Beth analysing it

Usage

Used in crafting (1)

Medium Mutations Sack ×4

More like this

PlantBoy Advance

Stoplight Petal

Market

Instant buy	167k
Instant sell	124.9k
Weekly volume	22.6k

Measured event effects

mayor:fishing	-36.2% 1×
perk:double_trouble	-36.2% 1×
perk:fishing_xp_buff	-36.2% 1×
perk:luck_of_the_sea_2_0	-36.2% 1×
leading:dungeons	-35.6% 2×

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