TL;DR
- The Firefly Bush was added in the Spring to Life update (Java 1.21.5 / Bedrock 1.21.70, March 25, 2025).
- In Java Edition it generates near water in most Overworld biomes. In Swamps it can appear anywhere, not just near water. Bedrock Edition excludes Badlands, Eroded Badlands, and Wooded Badlands.
- It emits glowing firefly particles when the internal light level at its position is 13 or lower — at night outdoors or in unlit spaces at any time of day.
- Its light level is only 2 — beautiful but not enough to stop mob spawning.
- Use Bone Meal on it to spread it horizontally to adjacent blocks.
- You can also buy one from a Wandering Trader for 3 emeralds.
- It works in a Composter and gives a 30% chance of raising the compost level.
- It produces firefly buzzing sounds during the night cycle (ticks 12600–23400) if no collidable block is placed above it — leaf blocks above it do not block the sound.
If you have ever walked through a swamp at night in Minecraft and seen tiny glowing dots drifting through the air, you already know what the Firefly Bush looks like in action. It is one of the most atmospheric new additions in the Spring to Life update, released on March 25, 2025 as Java Edition 1.21.5 and Bedrock Edition 1.21.70 — and as of May 2026, its mechanics remain unchanged since launch.
It is not just a pretty decoration either. It has real mechanics around light, sound, spreading with Bone Meal, and placement. This guide covers everything — where to find it, how to collect it, how to grow more, and how to use it smartly in your builds.
What Is the Firefly Bush in Minecraft?
The Firefly Bush is a new decorative plant block added in the Spring to Life update. It looks like a small leafy bush during the day, but at night it comes alive. Glowing yellow firefly particles drift out from the bush and float around it in the air, creating a soft magical glow.
The fireflies are not actual mobs. They are particles generated by the bush itself. Mojang originally planned fireflies as a mob back in the 1.19 Wild Update but removed them because fireflies can be toxic to frogs in real life. Instead, they brought the idea back as a particle effect tied to this bush — giving you the atmosphere without the mob complications.
The bush does not change color based on the biome. Unlike grass or leaves, it looks the same green in every biome you place it in. This makes it very flexible for building and decoration.
Where to Find the Firefly Bush in Minecraft
The Firefly Bush spawns naturally in the world, but you need to know where to look. During the day it blends in with regular Bush blocks, so it is much easier to spot at night when the glowing particles appear.
Java Edition — Most Overworld Biomes Near Water
In Java Edition, Firefly Bushes generate near water in most Overworld biomes — they are far more widespread than many players realize. They typically spawn on grass blocks along the water’s edge in forests, plains, river banks, swamps, mangrove swamps, and many other biomes. The key requirement is proximity to water (except in Swamps, where they can appear anywhere).
Swamp Biome (Best Spawn Rate)
The Swamp is the best place to find Firefly Bushes. In Swamp biomes, they generate more frequently than anywhere else and can appear anywhere in the biome — not just near water. Just walk around a swamp at night and look for the glowing particle clusters. You will find them fairly quickly.
Mangrove Swamp Biome
Mangrove Swamps are another reliable location. Here the Firefly Bush tends to grow on mud blocks and muddy mangrove roots near the water. The dense mangrove trees and glowing bushes together create one of the most visually impressive natural scenes in Minecraft — even before you decorate anything yourself.
Rivers
Firefly Bushes generate along river banks across most biomes in both editions. They always spawn on grass blocks next to the water’s edge. Rivers cut through a huge variety of biomes in Minecraft, making them a very reliable place to find Firefly Bushes even if you are nowhere near a swamp.
Bedrock Edition — Biome Differences
Bedrock Edition has fewer exceptions for which biomes Firefly Bushes can generate in, but it specifically excludes Badlands, Eroded Badlands, and Wooded Badlands. Since grass does not naturally generate in all Overworld biomes and Badlands are excluded, Bedrock players will actually find Firefly Bushes in fewer places overall than Java Edition players. Stick to Swamps, Mangrove Swamps, and Rivers on Bedrock for the most reliable finds.
A Tip for Finding Them During the Day
During the day the Firefly Bush looks almost identical to a regular Bush block. The only difference is a few slightly brighter pixels on the leaves. The safest approach is to explore swamp and river biomes at night so the glowing particles give them away immediately. Check out the best Minecraft seeds for 2026 — some seeds spawn you very close to swamp biomes right from the start.
How to Collect the Firefly Bush
Collecting a Firefly Bush is very simple. You do not need any specific tool or enchantment. Break it with your hand or any tool and it drops itself instantly. No Silk Touch required.
A few conditions will also cause it to drop automatically as an item:
- Water or lava flowing into its space
- A piston pushing it or moving a block into its space
- Its attachment block being removed or destroyed
- Being placed on a mud block that converts into clay
Once you have it in your inventory, you can place it anywhere you like. It stacks up to 64 in a single inventory slot.
How to Get the Firefly Bush from a Wandering Trader
If you cannot find one naturally or just want a faster route, the Wandering Trader sells Firefly Bushes. The price is 1 Firefly Bush for 3 emeralds. The Wandering Trader spawns randomly near players every few days, so check his trades whenever he shows up.
In Bedrock Edition there is also a small chance the Wandering Trader drops a Firefly Bush when killed — specifically an 8.5% base chance (increased by 1% per level of Looting) if he is currently showing it as a trade offer and you are holding an emerald. This is a niche mechanic, but worth knowing if the trade is available and you want the bush quickly.
For tips on getting emeralds efficiently for trades, our villager trading tiers guide covers the best ways to stock up.
Where to Place the Firefly Bush
The Firefly Bush can be placed on a wide range of blocks, which makes it very flexible for builds and decoration. Here is the full list of compatible surfaces:
- Grass Block
- Mycelium
- Podzol
- Dirt (regular, coarse, rooted)
- Farmland
- Mud
- Muddy Mangrove Roots
- Moss Block
- Pale Moss Block
You cannot place it on stone, wood planks, sand, or most other blocks. If you want it in a non-standard spot, build a layer of dirt or moss underneath first, then place the bush on top.
In Bedrock Edition you can also snowlog the Firefly Bush — placing it in the same block space as snow layers. However, a snowlogged Firefly Bush emits neither particles nor light, so it completely loses its main appeal. Avoid snowlogging if you want the glowing effect.
How the Firefly Bush Light and Particles Work
This is where the Firefly Bush gets interesting. Understanding how the light and particles work helps you use it much more creatively in builds.
Light Level
The Firefly Bush emits a light level of 2. This is very low — lower than a torch (light level 14) or even a candle. It is enough to create a soft ambient glow at night, but it is not enough to prevent hostile mob spawning. Mobs need a light level of 0 to spawn on Hard difficulty, and light level 2 does very little to stop that. Do not rely on Firefly Bushes for mob protection. Use torches, lanterns, or sea lanterns for that purpose instead.
When Particles Appear
The Firefly Bush emits firefly particles when the internal light level at its position is 13 or lower. This means:
- At night outdoors — particles appear
- In a dark cave or unlit room — particles appear even during the day
- During daytime outdoors — no particles (sky light is too high)
- When snowlogged in Bedrock Edition — no particles
The bush can emit particles even when covered by blocks above it. The particles pass through certain surfaces and can appear to emerge from solid ground, which opens up some very creative build options.
How Far the Particles Travel
On each game tick, the bush has a 70% chance of emitting a new firefly particle into an air block up to 5 blocks above the bush and 5 blocks horizontally in Java Edition. In Bedrock Edition the particles travel up to 10 blocks horizontally, making the effect more spread out and visible from further away.
Each firefly particle lasts between 200 and 300 game ticks (10 to 15 seconds), fading in from transparency to a pale yellow glow and back out before disappearing. The particles collide with solid blocks rather than passing through them, which is why placing a bush under the floor makes particles appear to bubble up from the ground.
Firefly Buzzing Sounds
During the night cycle (between game ticks 12600 and 23400), the Firefly Bush emits soft ambient buzzing sounds — but only if there is no collidable block placed directly above it. Leaf blocks are not collidable, which is why you can place leaf blocks above your bushes and still hear the buzzing. Any other collidable block will silence it.
Note that a bush can still produce firefly particles in a dark cave even during the day — but in that case no buzzing sounds play, since the sounds are tied to the game’s night cycle, not to the light level.
How to Use Bone Meal on the Firefly Bush
This is how you grow more Firefly Bushes without finding new ones. Right-click a Firefly Bush with Bone Meal and it will spread to a random adjacent block — horizontally, not vertically. It does not grow taller like grass does. It grows sideways.
Rules for Bone Meal Spreading
- The adjacent block must be empty and on a valid surface (grass, dirt, moss, etc.)
- Only one new bush spawns per Bone Meal use
- The new bush spawns in a random adjacent space, not a chosen one
- Keep applying Bone Meal repeatedly to fill an area with bushes
This means you only need to find or buy one single Firefly Bush and you can grow an entire garden of them with enough Bone Meal. For Bone Meal, you can craft it from bones dropped by skeletons, or you can use a composter to generate it from plant material. Our automatic farm guide can help you set up efficient systems to keep Bone Meal flowing.
Building a Simple Firefly Bush Farm
You can automate Firefly Bush spreading using a piston, observer, and a dispenser loaded with Bone Meal. The dispenser applies Bone Meal automatically, the bush spreads, then a piston knocks the new bush off as an item to be collected. It is a simple redstone farm but very effective for mass producing bushes for large builds. Our Minecraft redstone basics guide is a great starting point if you are new to redstone automation.
Using the Firefly Bush in a Composter
If you have more Firefly Bushes than you need, do not throw them away. Place them in a Composter instead. Each Firefly Bush gives a 30% chance of raising the compost level by 1. A full stack of 64 bushes will produce roughly 2 to 3 Bone Meal from the composter.
This creates a small loop — grow bushes with Bone Meal, compost the extras back into Bone Meal, then use that Bone Meal to grow more bushes. It is not a highly efficient Bone Meal source on its own, but it is a nice way to recycle extras rather than wasting them.
Best Ways to Use the Firefly Bush in Builds
The Firefly Bush is primarily a decoration block, and it shines in the right build contexts. Here are the most effective ways to use it.
Garden Pathways
Line a dirt or grass path with Firefly Bushes on both sides. At night the floating particles create a lantern-like atmosphere without looking like torches. It feels natural and organic, especially in forest or swamp-themed builds.
Underground Lighting Effects
Place Firefly Bushes under a layer of solid ground in a cave build or underground base. The particles collide with blocks rather than passing through solid walls, but they will emerge upward from below the surface if the space above is air. This creates a very unique atmospheric effect that looks nothing like standard Minecraft lighting. Combine it with a dark stone palette for maximum impact. Check out our underground bunker build guide for ideas on how to design underground spaces well.
Swamp and Jungle Themed Bases
If you are building a base in or around a swamp or jungle biome, Firefly Bushes are a perfect fit. They look completely natural in these environments and add enormous visual depth at night. Pair them with mangrove wood, mossy stone, and hanging vines for a dense, atmospheric feel. Our treehouse base guide has ideas that work beautifully with Firefly Bush accents.
Floating Island Builds
Firefly Bushes on a floating island at night look incredible. The particles drifting off the edge of the island into the dark sky below create a fairy-tale atmosphere that few other blocks can match. See our floating island base guide for design inspiration.
Covered Bush Lighting
Place a Firefly Bush on the ground and cover it with a solid block on top. The particles still appear but now emerge from below the surface itself, like bioluminescent earth. This hidden light trick is one of the most creative uses of the bush’s particle mechanics and creates a look that is almost impossible to achieve with any other block.
Leaf-Covered Sound Gardens
If you want the buzzing sound effect, place Firefly Bushes in an open area or under leaf block canopies. Since leaf blocks are not collidable, they do not block the ambient buzzing — so you can build a full leafy canopy overhead and still hear the night sounds below. At night the combination of glowing particles and soft ambient buzzing is genuinely immersive, especially near water.
Key Things to Know Before Using the Firefly Bush
It Will Not Stop Mob Spawning
Light level 2 is far too low to prevent hostile mobs from spawning nearby. If you are decorating the outside of your base with Firefly Bushes, make sure you still have proper lighting in place. Torches, lanterns, and glowstone should handle mob proofing while the bushes handle the atmosphere.
Lava Destroys It — But It Is Flammable
The Firefly Bush is flammable — fire can spread to it from nearby burning blocks. However, it does not catch fire directly from lava contact; lava flowing into its space destroys it instantly as a block break rather than igniting it. Be careful around both fire and lava when placing or farming these bushes.
It Is Not Affected by Biome Color
Unlike grass blocks and many other plants, the Firefly Bush does not change color based on the biome. It looks the same green in every biome. This is actually useful — you always know exactly what it will look like when you place it, and it works as an accent in any environment without color-clashing.
Frogs Do Not Interact with It
Fireflies were originally removed from Minecraft because they were planned as frog food — but fireflies are toxic to frogs in real life. The Firefly Bush particles are not actual mobs, so frogs do not interact with them at all. It is a purely visual and atmospheric feature. If you are interested in frogs as a mob, our guide to breeding frogs in Minecraft covers how they work.
Firefly Bush Quick Reference
- Added in: Java 1.21.5 / Bedrock 1.21.70 (Spring to Life, March 25, 2025)
- Natural spawn (Java): Near water in most Overworld biomes; anywhere in Swamps
- Natural spawn (Bedrock): Near water in most Overworld biomes, excluding Badlands, Eroded Badlands, and Wooded Badlands
- Light level: 2 (0 when snowlogged in Bedrock)
- Particle trigger: Internal light level 13 or lower at the bush’s position
- Particle chance per tick: 70%
- Particle range: Up to 5 blocks above + 5 blocks horizontal (Java) / 10 blocks horizontal (Bedrock)
- Particle duration: 10–15 seconds (200–300 game ticks)
- Sound: Firefly buzzing during ticks 12600–23400 (night cycle) — blocked by collidable blocks above, NOT by leaves
- Bone Meal: Spreads horizontally to adjacent blocks (one bush per use)
- Composter: 30% chance per bush to raise compost level
- Wandering Trader: 1 bush for 3 emeralds (Bedrock: 8.5% base drop chance when killed)
- Tool required: None — breaks by hand instantly, always drops itself
- Flammable: Yes — catches fire from nearby flames; destroyed (not ignited) by lava
- Biome color: Not affected — always the same green regardless of biome
Final Thoughts
The Firefly Bush is one of those blocks that does not change how you play Minecraft but absolutely changes how your world feels. A single bush in the right spot at night can make a build feel alive in a way that torches and lanterns never quite achieve.
It is easy to find, easy to collect, and easy to spread with Bone Meal. In Java Edition it generates near water in most Overworld biomes, so you may already have walked past dozens without noticing them in the dark. Once you find your first one in a swamp or along a riverbank, grab it, grow it with Bone Meal, and start experimenting with where you place them.
If you are building up your base and want to make the most of new features in the Spring to Life update, also check out our guide on how to use the Cartography Table in Minecraft to map out your exploration routes, and our first night survival guide if you are still getting started. The world has never looked this good at night — go enjoy it.
