diff --git a/src/main/java/biomesoplenty/common/biomes/nether/BiomeGenUndergarden.java b/src/main/java/biomesoplenty/common/biomes/nether/BiomeGenUndergarden.java
index 75d1b52ee..1aba25516 100644
--- a/src/main/java/biomesoplenty/common/biomes/nether/BiomeGenUndergarden.java
+++ b/src/main/java/biomesoplenty/common/biomes/nether/BiomeGenUndergarden.java
@@ -3,6 +3,7 @@ package biomesoplenty.common.biomes.nether;
 import net.minecraft.init.Blocks;
 import biomesoplenty.api.BOPBlockHelper;
 import biomesoplenty.common.biomes.BOPNetherBiome;
+import biomesoplenty.common.world.features.WorldGenBOPTallGrass;
 
 public class BiomeGenUndergarden extends BOPNetherBiome
 {
@@ -12,16 +13,26 @@ public class BiomeGenUndergarden extends BOPNetherBiome
         
         this.setColor(15657658);
         
-        this.topBlock = Blocks.netherrack;
+        this.topBlock = BOPBlockHelper.get("overgrownNetherrack");
         this.fillerBlock = Blocks.netherrack;
         
-        this.bopWorldFeatures.setFeature("netherVinesPerChunk", 12);
-        this.bopWorldFeatures.setFeature("overgrownNetherrackPerChunk", 60);
+        this.theBiomeDecorator.mushroomsPerChunk = 60;
+		this.theBiomeDecorator.bigMushroomsPerChunk = 30;
+        
+        this.bopWorldFeatures.setFeature("netherVinesPerChunk", 20);
+        this.bopWorldFeatures.setFeature("netherrackSplatterPerChunk", 45);
         //customBiomeDecorator.gravesPerChunk = 1;
         this.bopWorldFeatures.setFeature("waspHivesPerChunk", 1);
         this.bopWorldFeatures.setFeature("toadstoolsPerChunk", 3);
         this.bopWorldFeatures.setFeature("glowshroomsPerChunk", 1);
-        this.theBiomeDecorator.mushroomsPerChunk = 30;
-		this.theBiomeDecorator.bigMushroomsPerChunk = 30;
+        
+        this.bopWorldFeatures.setFeature("bopGrassPerChunk", 30);
+		
+        this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(Blocks.tallgrass, 0), 0.25D);
+		this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(Blocks.tallgrass, 1), 1D);
+        this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(BOPBlockHelper.get("foliage"), 1), 0.5D);
+        this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(BOPBlockHelper.get("foliage"), 2), 0.5D);
+        this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(BOPBlockHelper.get("foliage"), 10), 0.5D);
+        this.bopWorldFeatures.weightedGrassGen.put(new WorldGenBOPTallGrass(BOPBlockHelper.get("foliage"), 11), 0.5D);
     }
 }
diff --git a/src/main/java/biomesoplenty/common/blocks/BlockOvergrownNetherrack.java b/src/main/java/biomesoplenty/common/blocks/BlockOvergrownNetherrack.java
index a37788fb0..d6180d98e 100644
--- a/src/main/java/biomesoplenty/common/blocks/BlockOvergrownNetherrack.java
+++ b/src/main/java/biomesoplenty/common/blocks/BlockOvergrownNetherrack.java
@@ -3,6 +3,7 @@ package biomesoplenty.common.blocks;
 import java.util.Random;
 
 import net.minecraft.block.Block;
+import net.minecraft.block.IGrowable;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.init.Blocks;
diff --git a/src/main/java/biomesoplenty/common/core/BOPBiomes.java b/src/main/java/biomesoplenty/common/core/BOPBiomes.java
index 1bcd3f614..526419f11 100644
--- a/src/main/java/biomesoplenty/common/core/BOPBiomes.java
+++ b/src/main/java/biomesoplenty/common/core/BOPBiomes.java
@@ -203,7 +203,7 @@ public class BOPBiomes
 	
 	private static void registerBiomes()
 	{
-		onlyBiome = alps = registerOverworldBiome(BiomeGenAlps.class, "Alps", TemperatureType.ICY, 5);
+		alps = registerOverworldBiome(BiomeGenAlps.class, "Alps", TemperatureType.ICY, 5);
 		arctic = registerOverworldBiome(BiomeGenArctic.class, "Arctic", TemperatureType.ICY, 10);
         bambooForest = registerOverworldBiome(BiomeGenBambooForest.class, "Bamboo Forest", TemperatureType.HOT, 5);
         bayou = registerOverworldBiome(BiomeGenBayou.class, "Bayou", TemperatureType.WARM, 10);
diff --git a/src/main/java/biomesoplenty/common/world/decoration/BOPWorldFeatures.java b/src/main/java/biomesoplenty/common/world/decoration/BOPWorldFeatures.java
index ef18bbe12..ac0140460 100644
--- a/src/main/java/biomesoplenty/common/world/decoration/BOPWorldFeatures.java
+++ b/src/main/java/biomesoplenty/common/world/decoration/BOPWorldFeatures.java
@@ -94,7 +94,7 @@ public class BOPWorldFeatures
         addFeature("boneSpinesDownPerChunk", 0);
         addFeature("netherLavaLakesPerChunk", 0);
         addFeature("netherVinesPerChunk", 0);
-        addFeature("overgrownNetherrackPerChunk", 0);
+        addFeature("netherrackSplatterPerChunk", 0);
         
         addFeature("bopFlowersPerChunk", 0);
         addFeature("bopGrassPerChunk", 0);
diff --git a/src/main/java/biomesoplenty/common/world/generation/WorldGenFieldAssociation.java b/src/main/java/biomesoplenty/common/world/generation/WorldGenFieldAssociation.java
index ee8c562a4..8b6f2519f 100644
--- a/src/main/java/biomesoplenty/common/world/generation/WorldGenFieldAssociation.java
+++ b/src/main/java/biomesoplenty/common/world/generation/WorldGenFieldAssociation.java
@@ -113,8 +113,8 @@ public class WorldGenFieldAssociation
         associateFeature("boneSpinesUpPerChunk", new WorldGenBoneSpine(false));
         associateFeature("boneSpinesDownPerChunk", new WorldGenBoneSpine(true));
         associateFeature("netherLavaLakesPerChunk", new WorldGenLakesNether());
-        associateFeature("netherVinesPerChunk", new WorldGenLongVine(BOPBlockHelper.get("ivy"), 15, 30));
-        associateFeature("overgrownNetherrackPerChunk", new WorldGenOvergrownNetherrack());
+        associateFeature("netherVinesPerChunk", new WorldGenLongVine(BOPBlockHelper.get("ivy"), 15, 45));
+        associateFeature("netherrackSplatterPerChunk", new WorldGenSplatter(Blocks.netherrack, BOPBlockHelper.get("overgrownNetherrack")));
 
         associateFeature("bopFlowersPerChunk", new WorldGenBOPFlowerManager());
         associateFeature("bopGrassPerChunk", new WorldGenBOPGrassManager());