diff --git a/src/datagen/java/com/github/elenterius/biomancy/datagen/tags/ModBlockTagsProvider.java b/src/datagen/java/com/github/elenterius/biomancy/datagen/tags/ModBlockTagsProvider.java
index 7852e09c2..57e1c9c6f 100644
--- a/src/datagen/java/com/github/elenterius/biomancy/datagen/tags/ModBlockTagsProvider.java
+++ b/src/datagen/java/com/github/elenterius/biomancy/datagen/tags/ModBlockTagsProvider.java
@@ -56,6 +56,12 @@ protected void addTags() {
 						Blocks.ROOTED_DIRT, Blocks.MUDDY_MANGROVE_ROOTS, Blocks.MUD
 				);
 
+		tag(ModBlockTags.ALLOW_VEINS_TO_ATTACH)
+				.add(Blocks.DIRT_PATH, Blocks.FARMLAND);
+
+		tag(ModBlockTags.DISALLOW_VEINS_TO_ATTACH)
+				.add(ModBlocks.MALIGNANT_BLOOM.get());
+
 		tag(BlockTags.DOORS).add(ModBlocks.FLESH_DOOR.get()).add(ModBlocks.FULL_FLESH_DOOR.get());
 		tag(BlockTags.TRAPDOORS).add(ModBlocks.FLESH_IRIS_DOOR.get());
 
diff --git a/src/main/java/com/github/elenterius/biomancy/block/veins/FleshVeinsBlock.java b/src/main/java/com/github/elenterius/biomancy/block/veins/FleshVeinsBlock.java
index 9bcb441a4..c0903107a 100644
--- a/src/main/java/com/github/elenterius/biomancy/block/veins/FleshVeinsBlock.java
+++ b/src/main/java/com/github/elenterius/biomancy/block/veins/FleshVeinsBlock.java
@@ -316,7 +316,9 @@ protected static BlockState removeFace(BlockState state, BooleanProperty face) {
 	}
 
 	public static boolean canVeinsAttachTo(BlockGetter level, Direction direction, BlockPos pos, BlockState state) {
-		return state.is(ModBlockTags.PRIMORDIAL_ECO_SYSTEM_REPLACEABLE) || Block.isFaceFull(state.getBlockSupportShape(level, pos), direction.getOpposite()) || Block.isFaceFull(state.getCollisionShape(level, pos), direction.getOpposite());
+		if (state.is(ModBlockTags.DISALLOW_VEINS_TO_ATTACH)) return false;
+		if (state.is(ModBlockTags.ALLOW_VEINS_TO_ATTACH)) return true;
+		return Block.isFaceFull(state.getBlockSupportShape(level, pos), direction.getOpposite()) || Block.isFaceFull(state.getCollisionShape(level, pos), direction.getOpposite());
 	}
 
 	@Override
diff --git a/src/main/java/com/github/elenterius/biomancy/init/tags/ModBlockTags.java b/src/main/java/com/github/elenterius/biomancy/init/tags/ModBlockTags.java
index 05fc0fdb4..500df8128 100644
--- a/src/main/java/com/github/elenterius/biomancy/init/tags/ModBlockTags.java
+++ b/src/main/java/com/github/elenterius/biomancy/init/tags/ModBlockTags.java
@@ -11,6 +11,8 @@ public final class ModBlockTags {
 	//CONVERTABLE_TO_PRIMAL_FLESH
 	//CONVERTABLE_TO_MALIGNANT_FLESH
 	public static final TagKey<Block> PRIMORDIAL_ECO_SYSTEM_REPLACEABLE = tag("primordial_ecosystem_replaceable");
+	public static final TagKey<Block> ALLOW_VEINS_TO_ATTACH = tag("allow_veins_to_attach");
+	public static final TagKey<Block> DISALLOW_VEINS_TO_ATTACH = tag("disallow_veins_to_attach");
 
 	private ModBlockTags() {}