Azalea Growth Control
by Fuzs
Azalea Growth Control limits where azalea trees can generate, so they appear only in biomes that suit them and not in deserts, snowy tundras or frozen wastelands.
What it does
In vanilla Minecraft, azalea trees grow on any surface biome, including deserts, snowy tundras and frozen wastelands, which the game treats as working as intended under MC-238499. This mod restores a more consistent distribution by restricting azalea generation to biomes defined by a biome tag, so the world looks more natural. It works with both vanilla and modded biomes.
Configuration is handled through three TOML files in the config folder: one for the client, one for the server and one common file, depending on the config type. Settings can also be changed in-game through Mod Menu when it is installed. The mod is server-side only, so players join without installing it, and the server owner decides where azaleas may grow. Files are published for Fabric and NeoForge for 1.21.1 and for 26.3, under the Mozilla Public License 2.0, which is open source.
Key features
Biome-based generation
Azalea trees generate only in biomes listed in the azaleagrowthcontrol:grows_azalea_trees biome tag.
Vanilla and modded biomes
The restriction applies to both vanilla biomes and biomes added by other mods.
Config file editing
Settings are stored in TOML files that can be edited with any text editor.
In-game settings
With Mod Menu installed, the configuration can be changed directly in the game.
Gallery
Compatibility
Latest build for each game version and loader.
26.x5 of 5 versions with builds
1.21.x5 of 5 versions with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 3
Use cases
Frozen and arid worlds
Worlds with large frozen or desert regions avoid scattered green blobs in places where they look out of place.
Modded biome packs
Pack makers can decide which custom biomes receive azalea trees by adding them to the biome tag.
Who it’s for: Server owners who want azalea generation to follow biome rules, and modpack authors who run custom biome sets.
How it compares
Colorful Azaleas is a client and server mod with a custom license, published for Fabric and NeoForge across 1.21 – 26.3 and not open source. Thiocyanate is an optional mod for either side on Fabric and NeoForge, with files for 1.21.11 – 26.2, under a custom license. Azalea Growth Control is server-side only and open source under the Mozilla Public License 2.0, so it changes generation without requiring anything on the client.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Azalea Growth Control | Fabric and NeoForge | 1.21.1 – 26.3 | Server-side only | 2026-09-28 |
| Colorful Azaleas [MC 1.21.1+] | Fabric and NeoForge | 1.21 – 26.3 | Client and server | 2026-09-29 |
| Thiocyanate | Fabric and NeoForge | 1.21.11 – 26.2 | Client or server, optional | 2026-07-06 |
Questions
Does Azalea Growth Control need Fabric API?
Do players need to install Azalea Growth Control?
Which versions are supported?
In the catalog
Azalea Growth Control is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 8,071 mods support Minecraft 26.3.
More from Fuzs
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What the author says
Vanilla Minecraft grows azalea trees in any surface biome, even deserts and snowy tundras. 🌱 This behavior was officially marked as Works As Intended in MC-238499. Azalea Growth Control restores some sanity to world generation by limiting azalea trees to biomes that actually suit them. 🌍 Using the…
Official listing
- Modrinth page
- modrinth.com/mod/azalea-growth-control
- Owner
- Fuzs
- Published
- 2025-10-18
- Updated on Modrinth
- 2026-09-28
- Facts verified
- 2026-10-15