diff --git a/src/main/java/org/ultramine/mods/bukkit/EventImplProgress.java b/src/main/java/org/ultramine/mods/bukkit/EventImplProgress.java
index 0846949..6bbddae 100644
--- a/src/main/java/org/ultramine/mods/bukkit/EventImplProgress.java
+++ b/src/main/java/org/ultramine/mods/bukkit/EventImplProgress.java
@@ -72,7 +72,7 @@
 		reg(true, org.bukkit.event.block.BlockPistonRetractEvent.class);
 		reg(true, org.bukkit.event.block.BlockPlaceEvent.class);
 		reg(false, org.bukkit.event.block.BlockRedstoneEvent.class);
-		reg(false, org.bukkit.event.block.BlockSpreadEvent.class);
+		reg(true, org.bukkit.event.block.BlockSpreadEvent.class);
 		reg(false, org.bukkit.event.block.EntityBlockFormEvent.class);
 		reg(true, org.bukkit.event.block.LeavesDecayEvent.class);
 		reg(true, org.bukkit.event.block.NotePlayEvent.class);
diff --git a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockGrass.java b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockGrass.java
index f740f1f..3cfff05 100644
--- a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockGrass.java
+++ b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockGrass.java
@@ -6,11 +6,14 @@
 import net.minecraft.world.World;
 import org.bukkit.block.BlockState;
 import org.bukkit.event.block.BlockFadeEvent;
+import org.bukkit.event.block.BlockSpreadEvent;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
 import org.ultramine.mods.bukkit.interfaces.world.IMixinWorld;
 
+import java.util.Random;
+
 @Mixin(BlockGrass.class)
 public class MixinBlockGrass
 {
@@ -29,4 +32,17 @@
 			blockState.update(true);
 		return false;
 	}
+
+	@Redirect(method = "updateTick", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;setBlock(IIILnet/minecraft/block/Block;)Z", ordinal = 1))
+	public boolean setBlockSpreadRedirect(World world, int x, int y, int z, Block block, World sourceWorld, int sourceX, int sourceY, int sourceZ, Random random)
+	{
+		org.bukkit.World bworld = ((IMixinWorld) world).getWorld();
+		BlockState blockState = bworld.getBlockAt(x, y, z).getState();
+		blockState.setTypeId(Block.getIdFromBlock(Blocks.grass));
+		BlockSpreadEvent event = new BlockSpreadEvent(blockState.getBlock(), bworld.getBlockAt(sourceX, sourceY, sourceZ), blockState);
+		((IMixinWorld) world).getServer().getPluginManager().callEvent(event);
+		if (!event.isCancelled())
+			blockState.update(true);
+		return false;
+	}
 }
diff --git a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMushroom.java b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMushroom.java
new file mode 100644
index 0000000..304e87a
--- /dev/null
+++ b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMushroom.java
@@ -0,0 +1,30 @@
+package org.ultramine.mods.bukkit.mixin.block;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockMushroom;
+import net.minecraft.world.World;
+import org.bukkit.block.BlockState;
+import org.bukkit.event.block.BlockSpreadEvent;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+import org.ultramine.mods.bukkit.interfaces.world.IMixinWorld;
+
+import java.util.Random;
+
+@Mixin(BlockMushroom.class)
+public abstract class MixinBlockMushroom
+{
+	@Redirect(method = "updateTick", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;setBlock(IIILnet/minecraft/block/Block;II)Z"))
+	public boolean setBlockRedirect(World world, int x, int y, int z, Block block, int meta, int flags, World sourceWorld, int sourceX, int sourceY, int sourceZ, Random random)
+	{
+		org.bukkit.World bworld = ((IMixinWorld) world).getWorld();
+		BlockState blockState = bworld.getBlockAt(x, y, z).getState();
+		blockState.setTypeId(Block.getIdFromBlock((BlockMushroom)(Object) this)); // nms: this.id, 0, 2
+		BlockSpreadEvent event = new BlockSpreadEvent(blockState.getBlock(), bworld.getBlockAt(sourceX, sourceY, sourceZ), blockState);
+		((IMixinWorld) world).getServer().getPluginManager().callEvent(event);
+		if (!event.isCancelled())
+			blockState.update(true);
+		return false;
+	}
+}
diff --git a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMycelium.java b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMycelium.java
index 09acf05..6a69d6c 100644
--- a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMycelium.java
+++ b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockMycelium.java
@@ -6,11 +6,14 @@
 import net.minecraft.world.World;
 import org.bukkit.block.BlockState;
 import org.bukkit.event.block.BlockFadeEvent;
+import org.bukkit.event.block.BlockSpreadEvent;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
 import org.ultramine.mods.bukkit.interfaces.world.IMixinWorld;
 
+import java.util.Random;
+
 @Mixin(BlockMycelium.class)
 public class MixinBlockMycelium
 {
@@ -18,7 +21,7 @@
 	 * @author AtomicInteger
 	 */
 	@Redirect(method = "updateTick", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;setBlock(IIILnet/minecraft/block/Block;)Z", ordinal = 0))
-	public boolean setBlockRedirect(World world, int x, int y, int z, Block block)
+	public boolean setBlockFadeRedirect(World world, int x, int y, int z, Block block)
 	{
 		org.bukkit.World bworld = ((IMixinWorld) world).getWorld();
 		BlockState blockState = bworld.getBlockAt(x, y, z).getState();
@@ -29,4 +32,17 @@
 			blockState.update(true);
 		return false;
 	}
+
+	@Redirect(method = "updateTick", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;setBlock(IIILnet/minecraft/block/Block;)Z", ordinal = 1))
+	public boolean setBlockSpreadRedirect(World world, int x, int y, int z, Block block, World sourceWorld, int sourceX, int sourceY, int sourceZ, Random random)
+	{
+		org.bukkit.World bworld = ((IMixinWorld) world).getWorld();
+		BlockState blockState = bworld.getBlockAt(x, y, z).getState();
+		blockState.setTypeId(Block.getIdFromBlock((BlockMycelium)(Object) this));
+		BlockSpreadEvent event = new BlockSpreadEvent(blockState.getBlock(), bworld.getBlockAt(sourceX, sourceY, sourceZ), blockState);
+		((IMixinWorld) world).getServer().getPluginManager().callEvent(event);
+		if (!event.isCancelled())
+			blockState.update(true);
+		return false;
+	}
 }
diff --git a/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockVine.java b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockVine.java
new file mode 100644
index 0000000..3475371
--- /dev/null
+++ b/src/main/java/org/ultramine/mods/bukkit/mixin/block/MixinBlockVine.java
@@ -0,0 +1,138 @@
+package org.ultramine.mods.bukkit.mixin.block;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockVine;
+import net.minecraft.block.material.Material;
+import net.minecraft.util.Direction;
+import net.minecraft.world.World;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+import org.ultramine.mods.bukkit.interfaces.world.IMixinWorld;
+
+import java.util.Random;
+
+@Mixin(BlockVine.class)
+public abstract class MixinBlockVine
+{
+	@Shadow protected abstract boolean func_150093_a(Block p_150093_1_);
+
+	/**
+	 * @author AtomicInteger
+	 */
+	@Overwrite
+	public void updateTick(World p_149674_1_, int p_149674_2_, int p_149674_3_, int p_149674_4_, Random p_149674_5_)
+	{
+		if (!p_149674_1_.isRemote && p_149674_1_.rand.nextInt(4) == 0)
+		{
+			BlockVine thisBlockVine = (BlockVine) (Object) this;
+			byte b0 = 4;
+			int l = 5;
+			boolean flag = false;
+			int i1;
+			int j1;
+			int k1;
+			label134:
+			for (i1 = p_149674_2_ - b0; i1 <= p_149674_2_ + b0; ++i1)
+				for (j1 = p_149674_4_ - b0; j1 <= p_149674_4_ + b0; ++j1)
+					for (k1 = p_149674_3_ - 1; k1 <= p_149674_3_ + 1; ++k1)
+						if (p_149674_1_.getBlock(i1, k1, j1) == thisBlockVine)
+						{
+							--l;
+							if (l <= 0)
+							{
+								flag = true;
+								break label134;
+							}
+						}
+			i1 = p_149674_1_.getBlockMetadata(p_149674_2_, p_149674_3_, p_149674_4_);
+			j1 = p_149674_1_.rand.nextInt(6);
+			k1 = Direction.facingToDirection[j1];
+			int l1;
+			if (j1 == 1 && p_149674_3_ < 255 && p_149674_1_.isAirBlock(p_149674_2_, p_149674_3_ + 1, p_149674_4_))
+			{
+				if (flag)
+					return;
+				int j2 = p_149674_1_.rand.nextInt(16) & i1;
+				if (j2 > 0)
+				{
+					for (l1 = 0; l1 <= 3; ++l1)
+						if (!this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[l1], p_149674_3_ + 1, p_149674_4_ + Direction.offsetZ[l1])))
+							j2 &= ~(1 << l1);
+					if (j2 > 0)
+					{
+						org.bukkit.block.Block source = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_, p_149674_3_, p_149674_4_);
+						org.bukkit.block.Block block = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_, p_149674_3_ + 1, p_149674_4_);
+						CraftEventFactory.handleBlockSpreadEvent(block, source, thisBlockVine, l1);
+					}
+				}
+			}
+			else
+			{
+				Block block;
+				int i2;
+				if (j1 >= 2 && j1 <= 5 && (i1 & 1 << k1) == 0)
+				{
+					if (flag)
+						return;
+					block = p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[k1], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1]);
+					if (block.getMaterial() == Material.air)
+					{
+						l1 = k1 + 1 & 3;
+						i2 = k1 + 3 & 3;
+						org.bukkit.block.Block source = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_, p_149674_3_, p_149674_4_);
+						org.bukkit.block.Block bukkitBlock = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_ + Direction.offsetX[k1], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1]);
+						if ((i1 & 1 << l1) != 0 && this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[l1], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[l1])))
+						{
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, 1 << l1);
+						}
+						else if ((i1 & 1 << i2) != 0 && this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[i2], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[i2])))
+						{
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, 1 << i2);
+						}
+						else if ((i1 & 1 << l1) != 0 && p_149674_1_.isAirBlock(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[l1], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[l1]) && this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[l1], p_149674_3_, p_149674_4_ + Direction.offsetZ[l1])))
+						{
+							bukkitBlock = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[l1], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[l1]);
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, 1 << (k1 + 2 & 3));
+						}
+						else if ((i1 & 1 << i2) != 0 && p_149674_1_.isAirBlock(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[i2], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[i2]) && this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[i2], p_149674_3_, p_149674_4_ + Direction.offsetZ[i2])))
+						{
+							bukkitBlock = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_ + Direction.offsetX[k1] + Direction.offsetX[i2], p_149674_3_, p_149674_4_ + Direction.offsetZ[k1] + Direction.offsetZ[i2]);
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, 1 << (k1 + 2 & 3));
+						}
+						else if (this.func_150093_a(p_149674_1_.getBlock(p_149674_2_ + Direction.offsetX[k1], p_149674_3_ + 1, p_149674_4_ + Direction.offsetZ[k1])))
+						{
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, 0);
+						}
+					}
+					else if (block.getMaterial().isOpaque() && block.renderAsNormalBlock())
+					{
+						p_149674_1_.setBlockMetadataWithNotify(p_149674_2_, p_149674_3_, p_149674_4_, i1 | 1 << k1, 2);
+					}
+				}
+				else if (p_149674_3_ > 1)
+				{
+					block = p_149674_1_.getBlock(p_149674_2_, p_149674_3_ - 1, p_149674_4_);
+					if (block.getMaterial() == Material.air)
+					{
+						l1 = p_149674_1_.rand.nextInt(16) & i1;
+						if (l1 > 0)
+						{
+							org.bukkit.block.Block source = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_, p_149674_3_, p_149674_4_);
+							org.bukkit.block.Block bukkitBlock = ((IMixinWorld) p_149674_1_).getWorld().getBlockAt(p_149674_2_, p_149674_3_ - 1, p_149674_4_);
+							CraftEventFactory.handleBlockSpreadEvent(bukkitBlock, source, thisBlockVine, l1);
+						}
+					}
+					else if (block == thisBlockVine)
+					{
+						l1 = p_149674_1_.rand.nextInt(16) & i1;
+						i2 = p_149674_1_.getBlockMetadata(p_149674_2_, p_149674_3_ - 1, p_149674_4_);
+						if (i2 != (i2 | l1))
+							p_149674_1_.setBlockMetadataWithNotify(p_149674_2_, p_149674_3_ - 1, p_149674_4_, i2 | l1, 2);
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/src/main/resources/mixin.umbukkitimpl.json b/src/main/resources/mixin.umbukkitimpl.json
index 92fef6a..40ed590 100644
--- a/src/main/resources/mixin.umbukkitimpl.json
+++ b/src/main/resources/mixin.umbukkitimpl.json
@@ -27,6 +27,8 @@
         "block.MixinBlockReed",
         "block.MixinBlockStem",
         "block.MixinBlockPistonBase",
+        "block.MixinBlockMushroom",
+        "block.MixinBlockVine",
         "entity.MixinEntity",
         "entity.MixinEntityLiving",
         "entity.MixinEntityLivingBase",