Index: src/lang/english.txt
===================================================================
--- src/lang/english.txt	(revision 11722)
+++ src/lang/english.txt	(working copy)
@@ -1179,6 +1179,8 @@
 STR_CONFIG_PATCHES_TOWN_LAYOUT_2X2_GRID                         :2x2 grid
 STR_CONFIG_PATCHES_TOWN_LAYOUT_3X3_GRID                         :3x3 grid
 
+STR_CONFIG_PATCHES_TREE_GROWTH                                  :{LTBLUE}Disable Tree Growth: {ORANGE}{STRING1}
+
 STR_CONFIG_PATCHES_TOOLBAR_POS                                  :{LTBLUE}Position of main toolbar: {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_TOOLBAR_POS_LEFT                             :Left
 STR_CONFIG_PATCHES_TOOLBAR_POS_CENTER                           :Centre
Index: src/saveload.cpp
===================================================================
--- src/saveload.cpp	(revision 11722)
+++ src/saveload.cpp	(working copy)
@@ -33,7 +33,7 @@
 #include "vehicle_base.h"
 #include <list>
 
-extern const uint16 SAVEGAME_VERSION = 83;
+extern const uint16 SAVEGAME_VERSION = 84;
 uint16 _sl_version;       ///< the major savegame version identifier
 byte   _sl_minor_version; ///< the minor savegame version, DO NOT USE!
 
Index: src/settings.cpp
===================================================================
--- src/settings.cpp	(revision 11722)
+++ src/settings.cpp	(working copy)
@@ -1378,6 +1378,7 @@
 	 SDT_VAR(Patches, drag_signals_density,SLE_UINT8,S, 0,  4, 1, 20, 0, STR_CONFIG_PATCHES_DRAG_SIGNALS_DENSITY,NULL),
 	 SDT_VAR(Patches, semaphore_build_before,SLE_INT32, S, NC, 1975, MIN_YEAR, MAX_YEAR, 1, STR_CONFIG_PATCHES_SEMAPHORE_BUILD_BEFORE_DATE, NULL),
 	SDT_CONDVAR(Patches, town_layout, SLE_UINT8, 59, SL_MAX_VERSION, 0, MS, TL_ORIGINAL, TL_NO_ROADS, NUM_TLS - 1, 1, STR_CONFIG_PATCHES_TOWN_LAYOUT, CheckTownLayout),
+	SDT_CONDBOOL(Patches, disable_tree_growth,      84, SL_MAX_VERSION, 0, 0, false, STR_CONFIG_PATCHES_TREE_GROWTH,            NULL),
 
 	/***************************************************************************/
 	/* Vehicle section of the GUI-configure patches window */
Index: src/settings_gui.cpp
===================================================================
--- src/settings_gui.cpp	(revision 11722)
+++ src/settings_gui.cpp	(working copy)
@@ -688,6 +688,7 @@
 	"drag_signals_density",
 	"oil_refinery_limit",
 	"semaphore_build_before",
+	"disable_tree_growth",
 };
 
 static const char *_patches_stations[] = {
Index: src/tree_cmd.cpp
===================================================================
--- src/tree_cmd.cpp	(revision 11722)
+++ src/tree_cmd.cpp	(working copy)
@@ -603,6 +603,9 @@
 	}
 	SetTreeCounter(tile, 0);
 
+	/* Exit here if trees are not allowed to grow */
+	if (_patches.disable_tree_growth) return;
+
 	switch (GetTreeGrowth(tile)) {
 		case 3: /* regular sized tree */
 			if (_opt.landscape == LT_TROPIC &&
@@ -677,6 +680,9 @@
 
 void OnTick_Trees()
 {
+	/* Exit here if trees are not allowed to grow */
+	if (_patches.disable_tree_growth) return;
+
 	uint32 r;
 	TileIndex tile;
 	ClearGround ct;
Index: src/variables.h
===================================================================
--- src/variables.h	(revision 11722)
+++ src/variables.h	(working copy)
@@ -121,6 +121,7 @@
 	uint8 advanced_vehicle_list;        // Use the "advanced" vehicle list
 	uint8 loading_indicators;           // Show loading indicators
 	uint8 default_rail_type;            ///< The default rail type for the rail GUI
+	bool disable_tree_growth;           ///< If trees are allowed to grow
 
 	uint8 toolbar_pos;                  // position of toolbars, 0=left, 1=center, 2=right
 	uint8 window_snap_radius;           // Windows snap at each other if closer than this