diff --git a/common/biomesoplenty/worldgen/WorldGenSunflower.java b/common/biomesoplenty/worldgen/WorldGenSunflower.java
index edc1aafbf..9741efc9e 100644
--- a/common/biomesoplenty/worldgen/WorldGenSunflower.java
+++ b/common/biomesoplenty/worldgen/WorldGenSunflower.java
@@ -29,7 +29,7 @@ public class WorldGenSunflower extends WorldGenerator
 			int j1 = par4 + par2Random.nextInt(4) - par2Random.nextInt(4);
 			int k1 = par5 + par2Random.nextInt(8) - par2Random.nextInt(8);
 
-			if (par1World.isAirBlock(i1, j1, k1) && (!par1World.provider.hasNoSky || j1 < 127) && (par1World.getFullBlockLightValue(i1, j1, k1) >= 8 || par1World.canBlockSeeTheSky(i1, j1, k1))
+			if (par1World.isAirBlock(i1, j1, k1) && par1World.isAirBlock(i1, j1 + 1, k1) && (!par1World.provider.hasNoSky || j1 < 127) && (par1World.getFullBlockLightValue(i1, j1, k1) >= 8 || par1World.canBlockSeeTheSky(i1, j1, k1))
 					&& Block.blocksList[plantBlockId].canPlaceBlockOnSide(par1World, i1, j1, k1, 1, new ItemStack(plantBlockId, 1, plantBlockMeta)))
 			{
 				par1World.setBlock(i1, j1, k1, Blocks.flowers.get().blockID, 13, 2);
diff --git a/common/biomesoplenty/worldgen/tree/WorldGenPalmTree1.java b/common/biomesoplenty/worldgen/tree/WorldGenPalmTree1.java
index e7740fed8..298d2b9d6 100644
--- a/common/biomesoplenty/worldgen/tree/WorldGenPalmTree1.java
+++ b/common/biomesoplenty/worldgen/tree/WorldGenPalmTree1.java
@@ -101,7 +101,7 @@ public class WorldGenPalmTree1 extends WorldGenerator
 	public void buildBlock(World world, int x, int y, int z, int id, int meta)
 	{
 		Material m = world.getBlockMaterial(x, y, z);
-		if(m == Material.air || m == Material.leaves)
+		if(m == Material.air || m == Material.leaves || m == Material.vine || m == Material.plants)
 		{
 			world.setBlock(x, y, z, id, meta, 2);
 		}
diff --git a/common/biomesoplenty/worldgen/tree/WorldGenPalmTree3.java b/common/biomesoplenty/worldgen/tree/WorldGenPalmTree3.java
index 38b0475f0..4977ab4e8 100644
--- a/common/biomesoplenty/worldgen/tree/WorldGenPalmTree3.java
+++ b/common/biomesoplenty/worldgen/tree/WorldGenPalmTree3.java
@@ -101,7 +101,7 @@ public class WorldGenPalmTree3 extends WorldGenerator
 	public void buildBlock(World world, int x, int y, int z, int id, int meta)
 	{
 		Material m = world.getBlockMaterial(x, y, z);
-		if(m == Material.air || m == Material.leaves)
+		if(m == Material.air || m == Material.leaves || m == Material.vine || m == Material.plants)
 		{
 			world.setBlock(x, y, z, id, meta, 2);
 		}