diff --git a/src/UI2/Editor/Instance/GrassEditor.cs b/src/UI2/Editor/Instance/GrassEditor.cs
index 5c962070..e2f18530 100644
--- a/src/UI2/Editor/Instance/GrassEditor.cs
+++ b/src/UI2/Editor/Instance/GrassEditor.cs
@@ -109,6 +109,7 @@ internal static void CreateContent()
                     new DialogGUILabel("V: ", HighLogic.UISkin.label),
                     new DialogGUITextInput("0", false, 10, SetTarmacVStr, GetTarmacVStr, TMPro.TMP_InputField.ContentType.DecimalNumber, 25)),
                 new DialogGUIHorizontalLayout(
+                    new DialogGUIButton("  R", ReloadBlendMask, 21f, 21.0f, false, HighLogic.UISkin.label),
                     new DialogGUILabel("BlendMaskTexture", KKStyle.whiteLabel),
                     new DialogGUITextInput(BlendMaskTexture, false, 40, SetBlendMaskTexture, delegate { return GetTextureName("blendMaskTextureName"); }, TMPro.TMP_InputField.ContentType.Standard, 25),
                     new DialogGUIButton("  S", delegate { OpenTextureSelector("blendMaskTextureName", TextureUsage.BlendMask); }, 21f, 21.0f, false, HighLogic.UISkin.label))
@@ -122,6 +123,13 @@ internal static void CreateContent()
         }
 
 
+        internal static void ReloadBlendMask()
+        {
+            KKGraphics.RemoveCache(selectedMod.blendMaskTextureName);
+            selectedMod.ApplySettings();
+        }
+
+
         internal static string SetTarmacUStr(string newUvalue)
         {
             float uValue = float.Parse(newUvalue);
diff --git a/src/Utilities/KKGraphics.cs b/src/Utilities/KKGraphics.cs
index 34fdc8e1..8a2e9d54 100644
--- a/src/Utilities/KKGraphics.cs
+++ b/src/Utilities/KKGraphics.cs
@@ -275,13 +275,42 @@ internal static Texture2D LoadNormalFromFile(string fileName, int width, int hei
         }
 
 
+        /// <summary>
+        /// Remove a Cached Texture, so it is loaded from Disk during next access
+        /// </summary>
+        /// <param name="textureName"></param>
+        internal static void RemoveCache(string textureName)
+        {
+            string textureKey;
+            int index = 0;
+            textureName.Replace("\\", "/");
+            if (textureName.StartsWith("BUILTIN:"))
+            {
+                {
+                    Log.Normal("Builtin Textures don't change");
+                    return;
+                }
+
+            }
+            else
+            {
+                textureKey = Regex.Replace(textureName, "/", "_") + index.ToString();
+            }
+
+            if (cachedTextures.ContainsKey(textureKey))
+            {
+                cachedTextures.Remove(textureKey);
+            }
+        }
+
+
 
         /// <summary>
         /// return a buildin or GameDatabase Texture
         /// </summary>
         /// <param name="textureName"></param>
         /// <returns></returns>
-        internal static Texture2D GetTexture(string textureName, bool asNormal = false, int index = 0, bool createMibMaps = false)
+        internal static Texture2D GetTexture(string textureName, bool asNormal = false, int index = 0, bool createMibMaps = false )
         {
             if (string.IsNullOrEmpty(textureName))
             {