Tutorial:Wither Rose farming

Wither rose farming is the process of trapping withers and using them to kill mobs and make them drop wither roses.

Only wither skeletons can spawn in wither roses, so that makes it ideal for wither skeleton farms. In addition, wither roses deal damage to mobs but not to items, so they can be used in other farms as a killing mechanism. They are also useful in various traps and are a fast method for obtaining black dye.

Java Edition (This one no longer works as of 1.21.8, check the comment section for potential fixes but with far less effectiveness)

Bedrock Edition