diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b71b600
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 secXsQuared
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/src/README.md b/README.md
similarity index 100%
rename from src/README.md
rename to README.md
diff --git a/src/modinfo.lua b/src/modinfo.lua
index d957cd4..f0dd7e1 100644
--- a/src/modinfo.lua
+++ b/src/modinfo.lua
@@ -1,5 +1,5 @@
 name = "World Regrowth++"
-version = "0.1.2"
+version = "0.1.3"
 description = "Version "..version.."\n\nAdvanced world regrowth including caves! See the Steam Workshop page for more information.\n\nHappy hunting and do starve!"
 author = "lolo"
 
diff --git a/src/scripts/components/event_regrowth.lua b/src/scripts/components/event_regrowth.lua
index 0020057..24e238b 100644
--- a/src/scripts/components/event_regrowth.lua
+++ b/src/scripts/components/event_regrowth.lua
@@ -20,12 +20,12 @@ return Class(function(self, inst)
 
     local UPDATE_PERIOD = 9
     local BASE_RADIUS = 20
-    local EXCLUDE_RADIUS = 3
+    local EXCLUDE_RADIUS = 2
     local JITTER_RADIUS = 6
     local TOTAL_RADIUS = 1000
     local MIN_PLAYER_DISTANCE = 40
     local THREADS_PER_BATCH = 3
-    local THREADS_PER_BATCH_HOOK = 2
+    local THREADS_PER_BATCH_HOOK = 5
     local REGROW_STATUS = {
         SUCCESS = 0,
         FAILED = 1,
@@ -80,6 +80,10 @@ return Class(function(self, inst)
             return REGROW_STATUS.CACHE
         end
 
+        if not (inst.Map:CanPlantAtPoint(x, y, z)) then
+            return REGROW_STATUS.CACHE
+        end
+
         if inst.Map:GetTileAtPoint(x, y, z) ~= tile then
             -- keep things in their biome (more or less)
             return REGROW_STATUS.CACHE
diff --git a/src/scripts/components/natural_regrowth.lua b/src/scripts/components/natural_regrowth.lua
index dbb288a..dcc878e 100644
--- a/src/scripts/components/natural_regrowth.lua
+++ b/src/scripts/components/natural_regrowth.lua
@@ -19,7 +19,7 @@ return Class(function(self, inst)
     local DEBUG_TELE = false
     local UPDATE_PERIOD = 11
     local BASE_RADIUS = 20
-    local EXCLUDE_RADIUS = 3
+    local EXCLUDE_RADIUS = 2
     local MIN_PLAYER_DISTANCE = 40
     local THREADS_PER_BATCH = 3
     --------------------------------------------------------------------------