Firefly Bush

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This article describes content that may be included in Java Edition and Bedrock Edition.
 
This content has appeared in Java Edition 1.21.5 and Bedrock Edition 1.21.70 development versions, but the full update containing it has not been released yet.
This page would benefit from the addition of isometric renders.
 
Please remove this notice once you've added suitable isometric renders to the article.
The specific instructions are: Animation is interpolated in Bedrock: see MC-279935
Firefly Bush
Firefly Bush.gif: Infobox image for Firefly Bush the block in Minecraft
Invicon Firefly Bush.png: Inventory sprite for Firefly Bush in Minecraft as shown in-game with description: Firefly Bush
Renewable

Yes

Stackable

Yes (64)

Tool

Any tool

Blast resistance

0

Hardness

0

Luminous

Yes (2)

Transparent

Yes

Flammable

Yes

Catches fire from lava

No

A firefly bush is a decorative plant that spawns firefly particles around it when exposed to darkness.

Obtaining[edit | edit source]

Breaking[edit | edit source]

Firefly bushes can be broken instantly with any item or by hand. It always drops itself upon destruction[1].

Block BlockSprite firefly-bush.png: Sprite image for firefly-bush in Minecraft linking to Firefly BushFirefly Bush
Hardness 0
Breaking time (secs)
Default 0.05
Legend
  • drops nothing
  • drops something other than the block itself
  • drops the block itself
  • italicized can be instant mined

Firefly bushes are also removed and drop as an item if:

  • its attachment block is moved, removed, or destroyed.
  • water or lava flows into its space.
  • a piston tries to push it or moves a block into its space.
  • it is placed on a mud block, and that mud block converts to clay.

Natural generation[edit | edit source]

Firefly bushes generate in the form of random patches, on grass blocks near water in most Overworld biomes. They also can generate on mud blocks near water in mangrove swamps.

In swamps, firefly bushes can generate anywhere, instead of being limited to near water.

Firefly bushes in Bedrock Edition have fewer exceptions for which biomes they can generate in, but since grass does not naturally generate in all Overworld biomes and the list still excludes badlands, eroded badlands and wooded badlands, they are actually found in less places than in Java Edition.

Post-generation[edit | edit source]

When bone meal is applied to a firefly bush, the bush spreads to neighboring blocks.

Usage[edit | edit source]

"Firefly" redirects here. For other uses, see Firefly (disambiguation).
Firefly bushes emitting particles at night.

A firefly bush emits firefly particles if the internal light level at its position is 13 or lower. A firefly bush can produce particles even if it is covered by blocks. Firefly particles glow in the dark, but do not actually light up their surroundings. Firefly particles move erratically and collide with solid blocks.

On each tick, a firefly bush has a 70% chance of emitting a new firefly particle in an air block up to 5 blocks above the bush and horizontally up to 5 blocks away in Java Edition, or up to 10 blocks away in Bedrock Edition. A firefly particle lasts between 36 game ticks (1.8 seconds) and 180 game ticks (9 seconds), fading from transparency into an opaque pale yellow color, and back into transparency before disappearing.

The pulsating "fireflies" on the bush itself remain at maximum brightness regardless of the surrounding light level. This affects placed firefly bushes, but the item form of firefly bushes still appear at the surrounding brightness level.[2]

In Bedrock Edition, firefly bushes can be snowlogged. When snowlogged, a firefly bush doesn't emit particles nor ambient sounds.

Composting[edit | edit source]

Placing a firefly bush into a composter has a 30% chance of raising the compost level by 1. A stack of firefly bushes drops an average of 2.74 bone meal.

Ambient sounds[edit | edit source]

At night (between 12600 and 23400 ticks), a firefly bush emits firefly buzzing sounds if no collidable blocks (excluding leaves) are placed above it. A firefly bush may still produce firefly particles in a dark cave or an unlit space, without the bush emitting ambient sounds if it is daytime.

Sounds[edit | edit source]

Generic[edit | edit source]

Java Edition:

ItemSprite sweet-berries.png: Sprite image for sweet-berries in Minecraft sweet_berry_bush sound type
SoundSubtitlesSourceDescriptionResource locationTranslation keyVolumePitchAttenuation
distance
​Block brokenBlocksOnce the block has brokenblock.sweet_berry_bush.breaksubtitles.block.generic.break0.80.816
​Block placedBlocksWhen the block is placedblock.sweet_berry_bush.placesubtitles.block.generic.place0.80.816
​Block breakingBlocksWhile the block is in the process of being brokenblock.grass.hitsubtitles.block.generic.hit0.250.516
​Something falls on a blockEntity-DependentFalling on the block with fall damageblock.grass.fallsubtitles.block.generic.fall0.50.7516
​FootstepsEntity-DependentWalking on the blockblock.grass.stepsubtitles.block.generic.footsteps0.151.016

Bedrock Edition:

ItemSprite sweet-berries.png: Sprite image for sweet-berries in Minecraft sweet_berry_bush sound type
SoundSourceDescriptionResource locationVolumePitch
BlocksOnce the block has brokenblock.sweet_berry_bush.break1.00.8-1.0
BlocksWhen the block is placedblock.sweet_berry_bush.place1.00.8-1.0
BlocksWhile the block is in the process of being brokenhit.grass0.250.5

Unique[edit | edit source]

Java Edition:

Sounds
SoundSubtitlesSourceDescriptionResource locationTranslation keyVolumePitchAttenuation
distance
​Fireflies buzzBlocksRandomly at night if the block above is not collidable (except leaves)block.firefly_bush.bushsubtitles.block.firefly_bush.idle???

Bedrock Edition:

Sounds
SoundSourceDescriptionResource locationVolumePitch
BlocksRandomly at night if the block above is not collidable (except leaves)block.firefly_bush.bush??

Data values[edit | edit source]

ID[edit | edit source]

Java Edition:

NameIdentifierFormBlock tagsTranslation key
BlockSprite firefly-bush.png: Sprite image for firefly-bush in Minecraft Firefly Bushfirefly_bushBlock & Itemreplaceable_by_mushrooms
replaceable_by_trees
block.minecraft.firefly_bush

Bedrock Edition:

NameIdentifierNumeric ID FormItem ID[i 1]Translation key
BlockSprite firefly-bush.png: Sprite image for firefly-bush in Minecraft Firefly Bushfirefly_bush1280Block & Giveable Item[i 2]Identical[i 3]
(Numeric: -1025)
tile.firefly_bush.name
  1. ID of block's direct item form, which is used in savegame files and addons.
  2. Available with /give command.
  3. The block's direct item form has the same ID as the block.

History[edit | edit source]

October 16, 2021 Fireflies are announced at Minecraft Live 2021.
May 10, 2022Fireflies are confirmed to have been scrapped.
Upcoming Java Edition
1.21.525w05a Added firefly bushes.
25w06aFirefly bushes now emits ambient sounds at night and when the block above is not collidable, except leaves.
No longer prevents trees from growing.
25w07aNow spreads to neighboring blocks when applied bone meal.
Firefly bushes no longer generate like sugar cane and are now allowed to survive away from water after the patch has been placed, matching Bedrock Edition.
Firefly particles now change their opacity over time instead of changing colors, matching Bedrock Edition.
25w09aThe Firefly Bush can now generate near water in mangrove swamps and all types of badlands (very rarely), like other biomes with water.
Bedrock Edition
1.18.10beta 1.18.10.26Earliest known instance of firefly mentions in the code.
1.19.10Preview 1.19.10.20Removed fireflies from the code.[3]
Upcoming Bedrock Edition
1.21.70
Experiment
Drop 1 2025
Preview 1.21.70.20 Added firefly bushes.
Preview 1.21.70.22Firefly bushes now emits ambient sounds at night and when the block above is not collidable, except leaves.
The item texture of firefly bushes has been changed to match Java Edition.
1.21.70Preview 1.21.70.23All features behind the "Drop 1 2025" experimental toggle have now been fully implemented.
Now has the same bonemealing properties as the bush block.

Data history[edit | edit source]

Java Edition
25w06aAdded firefly_bush to the replaceable_by_mushrooms and replaceable_by_trees block tags.

Gallery[edit | edit source]

Mojang screenshots[edit | edit source]

Issues[edit | edit source]

Issues relating to "Firefly Bush" are maintained on the bug tracker. Issues should be reported and viewed there.

References[edit | edit source]

  1. MC-279919 — resolved as "Works As Intended".
  2. MC-279949
  3. MCPE-155827 — "firefly" appears in target selector type argument suggestions — resolved as "Fixed".

Navigation[edit | edit source]