How to Get and Use Nether Wart Blocks in Minecraft: Quick Reference

Key Takeaways

Point	Details
Nether Wart Blocks are	Nether Wart Blocks are purely decorative and cannot be reversed into nether wart.
They generate naturally on	They generate naturally on huge crimson fungi in crimson forests.
Applying bone meal to	Applying bone meal to a crimson fungus on crimson nylium has a 40% chance to grow a huge fungus with Nether Wart Blocks.
A hoe is the	A hoe is the fastest tool for mining Nether Wart Blocks.
Nether Wart Blocks prevent	Nether Wart Blocks prevent piglin, zombified piglin, and hoglin spawns, but not other Nether mobs.
Composting a Nether Wart	Composting a Nether Wart Block has an 85% success rate, but using individual nether wart is more efficient.

Nether wart blocks are purely decorative blocks introduced in the 1.16 Nether Update. They cannot be used to store nether wart or crafted back into individual warts, but they have a few other practical uses worth knowing.

What Are Nether Wart Blocks?

These blocks have a distinctive red, wart-like texture and are primarily used for building or composting. They are crafted using nether wart in a standard crafting grid.

How to Obtain Nether Wart Blocks

You can get nether wart blocks in two main ways:

• Natural generation: They generate as part of huge crimson fungi in crimson forests.

Nether wart blocks and generate as part of huge crimson fungi in crimson forests.

• Bone meal farming: Applying bone meal to a crimson fungus planted on crimson nylium has a 40% chance to grow it into a huge crimson fungus, which generates nether wart blocks as part of its structure.

Using bone meal on a crimson fungus that is planted on crimson nylium has a 40% chance to grow into its huge equivalent, generating Nether wart blocks as part of it.

• Crafting: You can craft a nether wart block using 9 nether wart items in a crafting table. The recipe is shaped.

Mining Nether Wart Blocks Efficiently

Nether wart blocks can be broken with any tool or by hand, but a hoe is the fastest.

Nether wart blocks can be mined using any tool or by hand, but a hoe is the fastest way to break it.

If you're farming them in bulk, bring a diamond or netherite hoe for quick collection.

Primary Uses for Nether Wart Blocks

Decoration

Nether wart blocks are a vibrant red building material. They look great in crimson-themed builds, redstone contraptions, or as a striking accent.

Not a Storage Block

Unlike other crop blocks (like hay bales or melon blocks), nether wart blocks cannot be uncrafted back into nether wart.

Nether wart blocks are not a compacted block as they cannot be crafted back into Nether wart.

So don't rely on them for compact wart storage – you'll lose the 9 warts permanently.

Composting

Nether wart blocks can be fed into a composter with an 85% chance of leveling up the pile.

Nether wart blocks can be fed into a composter with an 85% chance of leveling up the pile.

However, note that using a single nether wart block is less efficient than composting 9 individual nether wart items.

Mob Spawning Prevention

One of the most useful properties of nether wart blocks is that piglins, zombified piglins, and hoglins do not spawn on top of them.

Piglins, zombified piglins, and hoglins do not spawn on top of Nether wart blocks.

This makes them excellent flooring material for buildable farms and safe zones in the Nether. Other mobs like skeletons and endermen are not prevented from spawning.

Quick Reference Table

Property	Details
Best tool	Hoe (any tier)
Natural source	Huge crimson fungi in crimson forests
Crafting	9 nether wart → 1 block
Uncraftable	Yes – cannot revert to nether wart
Compost chance	85%
Mob prevention	Piglins, zombified piglins, hoglins only
Light level	None (0)

For more on brewing with nether wart, see our complete brewing guide.