--- a/net/minecraft/world/level/block/FlowerPotBlock.java
+++ b/net/minecraft/world/level/block/FlowerPotBlock.java
@@ -52,6 +52,26 @@
         boolean bl = blockState.is(Blocks.AIR);
         boolean bl2 = this.isEmpty();
         if (bl != bl2) {
+            // Paper start
+            org.bukkit.entity.Player player1 = (org.bukkit.entity.Player) player.getBukkitEntity();
+            boolean placing = bl2;
+            org.bukkit.block.Block bukkitblock = org.bukkit.craftbukkit.v1_19_R1.block.CraftBlock.at(world, pos);
+            org.bukkit.inventory.ItemStack bukkititemstack = org.bukkit.craftbukkit.v1_19_R1.inventory.CraftItemStack.asBukkitCopy(itemStack);
+            org.bukkit.Material mat = org.bukkit.craftbukkit.v1_19_R1.util.CraftMagicNumbers.getMaterial(content);
+            org.bukkit.inventory.ItemStack bukkititemstack1 = new org.bukkit.inventory.ItemStack(mat, 1);
+            org.bukkit.inventory.ItemStack whichitem = placing ? bukkititemstack : bukkititemstack1;
+
+            io.papermc.paper.event.player.PlayerFlowerPotManipulateEvent event = new io.papermc.paper.event.player.PlayerFlowerPotManipulateEvent(player1, bukkitblock, whichitem, placing);
+            player1.getServer().getPluginManager().callEvent(event);
+
+            if (event.isCancelled()) {
+                // Update client
+                player1.sendBlockChange(bukkitblock.getLocation(), bukkitblock.getBlockData());
+                player1.updateInventory();
+
+                return InteractionResult.PASS;
+            }
+            // Paper end
             if (bl2) {
                 world.setBlock(pos, blockState, 3);
                 player.awardStat(Stats.POT_FLOWER);
