diff --git a/src/main/java/com/simibubi/create/content/curiosities/TreeFertilizerItem.java b/src/main/java/com/simibubi/create/content/curiosities/TreeFertilizerItem.java
index efc548e31..d2b15211c 100644
--- a/src/main/java/com/simibubi/create/content/curiosities/TreeFertilizerItem.java
+++ b/src/main/java/com/simibubi/create/content/curiosities/TreeFertilizerItem.java
@@ -4,14 +4,18 @@ import com.simibubi.create.foundation.utility.worldWrappers.PlacementSimulationS
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.tags.BlockTags;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.item.BoneMealItem;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.context.UseOnContext;
+import net.minecraft.world.level.block.AzaleaBlock;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.BonemealableBlock;
 import net.minecraft.world.level.block.SaplingBlock;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 
 public class TreeFertilizerItem extends Item {
 
@@ -24,7 +28,7 @@ public class TreeFertilizerItem extends Item {
 		BlockState state = context.getLevel()
 			.getBlockState(context.getClickedPos());
 		Block block = state.getBlock();
-		if (block instanceof SaplingBlock) {
+		if (block instanceof BonemealableBlock bonemealableBlock && state.is(BlockTags.SAPLINGS)) {
 
 			if (context.getLevel().isClientSide) {
 				BoneMealItem.addGrowthParticles(context.getLevel(), context.getClickedPos(), 100);
@@ -38,11 +42,11 @@ public class TreeFertilizerItem extends Item {
 				if (context.getLevel()
 					.getBlockState(saplingPos.offset(pos))
 					.getBlock() == block)
-					world.setBlockAndUpdate(pos.above(10), state.setValue(SaplingBlock.STAGE, 1));
+					world.setBlockAndUpdate(pos.above(10), withStage(state, 1));
 			}
 
-			((SaplingBlock) block).performBonemeal(world, world.getRandom(), BlockPos.ZERO.above(10),
-				state.setValue(SaplingBlock.STAGE, 1));
+			bonemealableBlock.performBonemeal(world, world.getRandom(), BlockPos.ZERO.above(10),
+					withStage(state, 1));
 
 			for (BlockPos pos : world.blocksAdded.keySet()) {
 				BlockPos actualPos = pos.offset(saplingPos).below(10);
@@ -76,6 +80,12 @@ public class TreeFertilizerItem extends Item {
 		return super.useOn(context);
 	}
 
+	private BlockState withStage(BlockState original, int stage) {
+		if (!original.hasProperty(BlockStateProperties.STAGE))
+			return original;
+		return original.setValue(BlockStateProperties.STAGE, 1);
+	}
+
 	private static class TreesDreamWorld extends PlacementSimulationServerWorld {
 		private final BlockPos saplingPos;
 		private final BlockState soil;