diff --git a/plugins/tweak/tweak.cpp b/plugins/tweak/tweak.cpp
index b2ab8758b..bd20bb38c 100644
--- a/plugins/tweak/tweak.cpp
+++ b/plugins/tweak/tweak.cpp
@@ -12,6 +12,7 @@
 #include "modules/Items.h"
 #include "modules/Job.h"
 #include "modules/Materials.h"
+#include "modules/MapCache.h"
 
 #include "MiscUtils.h"
 
@@ -74,6 +75,7 @@
 #include "tweaks/adamantine-cloth-wear.h"
 #include "tweaks/advmode-contained.h"
 #include "tweaks/craft-age-wear.h"
+#include "tweaks/farm-plot-select.h"
 #include "tweaks/fast-heat.h"
 #include "tweaks/fast-trade.h"
 #include "tweaks/import-priority-category.h"
@@ -153,6 +155,8 @@ DFhackCExport command_result plugin_init (color_ostream &out, std::vector <Plugi
         "    to make them stand out more in the list.\n"
 //        "  tweak military-training [disable]\n"
 //        "    Speed up melee squad training, removing inverse dependency on unit count.\n"
+        "  tweak farm-plot-select [disable]\n"
+        "    Adds \"Select all\" and \"Deselect all\" options to farm plot menus\n"
         "  tweak manager-quantity [disable]\n"
         "    Removes the limit of 30 jobs per manager order\n"
         "  tweak import-priority-category [disable]\n"
@@ -174,6 +178,9 @@ DFhackCExport command_result plugin_init (color_ostream &out, std::vector <Plugi
 
     TWEAK_HOOK("craft-age-wear", craft_age_wear_hook, ageItem);
 
+    TWEAK_HOOK("farm-plot-select", farm_select_hook, feed);
+    TWEAK_HOOK("farm-plot-select", farm_select_hook, render);
+
     TWEAK_HOOK("fast-heat", fast_heat_hook, updateTempFromMap);
     TWEAK_HOOK("fast-heat", fast_heat_hook, updateTemperature);
     TWEAK_HOOK("fast-heat", fast_heat_hook, adjustTemperature);
diff --git a/plugins/tweak/tweaks/farm-plot-select.h b/plugins/tweak/tweaks/farm-plot-select.h
new file mode 100644
index 000000000..16ba9863e
--- /dev/null
+++ b/plugins/tweak/tweaks/farm-plot-select.h
@@ -0,0 +1,93 @@
+#include "BitArray.h"
+#include "df/building_farmplotst.h"
+#include "df/plant_raw.h"
+
+using namespace df::enums;
+
+using df::global::ui;
+using df::global::ui_building_item_cursor;
+using df::global::world;
+
+struct farm_select_hook : df::viewscreen_dwarfmodest {
+    typedef df::viewscreen_dwarfmodest interpose_base;
+
+    df::building_farmplotst* getFarmPlot()
+    {
+        if (ui->main.mode != ui_sidebar_mode::QueryBuilding)
+            return NULL;
+        VIRTUAL_CAST_VAR(farm_plot, df::building_farmplotst, world->selected_building);
+        return farm_plot;
+    }
+
+    bool isValidCrop (int32_t crop_id, int season, df::building_farmplotst* farm_plot)
+    {
+        // Adapted from autofarm
+        using namespace df::enums::plant_raw_flags;
+        // Discovered?
+        if (ui->tasks.discovered_plants[crop_id])
+        {
+            // Possible to plant?
+            df::plant_raw* raws = world->raws.plants.all[crop_id];
+            if (raws->flags.is_set(SEED) && raws->flags.is_set((df::plant_raw_flags)season))
+            {
+                // Right depth?
+                DFCoord cursor (farm_plot->centerx, farm_plot->centery, farm_plot->z);
+                MapExtras::MapCache mc;
+                MapExtras::Block * b = mc.BlockAt(cursor / 16);
+                if (!b || !b->is_valid())
+                    return false;
+                auto &block = *b->getRaw();
+                df::tile_designation &des =
+                    block.designation[farm_plot->centerx % 16][farm_plot->centery % 16];
+                if ((raws->underground_depth_min == 0 || raws->underground_depth_max == 0) != des.bits.subterranean)
+                {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    inline int32_t getSelectedCropId() { return ui->selected_farm_crops[*ui_building_item_cursor]; }
+
+    DEFINE_VMETHOD_INTERPOSE(void, feed, (set<df::interface_key> *input))
+    {
+        df::building_farmplotst* farm_plot = getFarmPlot();
+        if (farm_plot)
+        {
+            if (input->count(interface_key::SELECT_ALL))
+            {
+                int32_t crop_id = getSelectedCropId();
+                for (int season = 0; season < 4; season++)
+                {
+                    farm_plot->plant_id[season] = crop_id;
+                }
+            }
+            else if (input->count(interface_key::DESELECT_ALL))
+            {
+                for (int season = 0; season < 4; season++)
+                {
+                    farm_plot->plant_id[season] = -1;
+                }
+            }
+        }
+        INTERPOSE_NEXT(feed)(input);
+    }
+
+    DEFINE_VMETHOD_INTERPOSE(void, render, ())
+    {
+        INTERPOSE_NEXT(render)();
+        if (!getFarmPlot())
+            return;
+        auto dims = Gui::getDwarfmodeViewDims();
+        int x = dims.menu_x1 + 1,
+            y = dims.y2 - 5,
+            left = x;
+        OutputString(COLOR_LIGHTRED, x, y, Screen::getKeyDisplay(interface_key::SELECT_ALL));
+        OutputString(COLOR_WHITE, x, y, ": All seasons", true, left);
+        OutputString(COLOR_LIGHTRED, x, y, Screen::getKeyDisplay(interface_key::DESELECT_ALL));
+        OutputString(COLOR_WHITE, x, y, ": Fallow all seasons", true, left);
+    }
+};
+IMPLEMENT_VMETHOD_INTERPOSE(farm_select_hook, render);
+IMPLEMENT_VMETHOD_INTERPOSE(farm_select_hook, feed);