--- a/net/minecraft/world/level/block/BlockFlowerPot.java
+++ b/net/minecraft/world/level/block/BlockFlowerPot.java
@@ -137,11 +137,14 @@
             boolean flag1 = CreakingHeartBlock.isNaturalNight(worldserver);
 
             if (flag != flag1) {
-                worldserver.setBlock(blockposition, this.opposite(iblockdata), 3);
-                EyeblossomBlock.a eyeblossomblock_a = EyeblossomBlock.a.fromBoolean(flag).transform();
+                // CraftBukkit start - BlockFormEvent
+                if (org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockFormEvent(worldserver, blockposition, this.opposite(iblockdata), 3)) {
+                    EyeblossomBlock.a eyeblossomblock_a = EyeblossomBlock.a.fromBoolean(flag).transform();
 
-                eyeblossomblock_a.spawnTransformParticle(worldserver, blockposition, randomsource);
-                worldserver.playSound((EntityHuman) null, blockposition, eyeblossomblock_a.longSwitchSound(), SoundCategory.BLOCKS, 1.0F, 1.0F);
+                    eyeblossomblock_a.spawnTransformParticle(worldserver, blockposition, randomsource);
+                    worldserver.playSound((EntityHuman) null, blockposition, eyeblossomblock_a.longSwitchSound(), SoundCategory.BLOCKS, 1.0F, 1.0F);
+                }
+                // CraftBukkit end
             }
         }