diff --git a/server/states/FarmingState.js b/server/states/FarmingState.js
new file mode 100644
index 0000000..4f791b8
--- /dev/null
+++ b/server/states/FarmingState.js
@@ -0,0 +1,124 @@
+/**
+ * FarmingState - Automated farming (plant, harvest, replant)
+ * Works with wheat, carrots, potatoes, beetroot, etc.
+ */
+import { BaseState } from './BaseState.js';
+
+const CROP_SEEDS = {
+  'minecraft:wheat': 'minecraft:wheat_seeds',
+  'minecraft:carrots': 'minecraft:carrot',
+  'minecraft:potatoes': 'minecraft:potato',
+  'minecraft:beetroots': 'minecraft:beetroot_seeds',
+};
+
+export class FarmingState extends BaseState {
+  constructor(turtle, data = {}) {
+    super(turtle, data);
+    this.area = data.area || null; // {minX, minZ, maxX, maxZ, y}
+    this.harvestCount = 0;
+  }
+
+  get name() {
+    return 'farming';
+  }
+
+  get description() {
+    return `Farming - ${this.harvestCount} harvested`;
+  }
+
+  async *act() {
+    console.log(`[${this.turtle.id}] Starting farming operation`);
+
+    if (!this.area) {
+      console.log(`[${this.turtle.id}] No farming area defined`);
+      this.turtle.setState('idle');
+      return;
+    }
+
+    // Farm in a zigzag pattern over the area
+    const { minX, minZ, maxX, maxZ, y } = this.area;
+    let direction = 1; // 1 = positive Z, -1 = negative Z
+
+    for (let x = minX; x <= maxX; x++) {
+      const zStart = direction === 1 ? minZ : maxZ;
+      const zEnd = direction === 1 ? maxZ : minZ;
+      const zStep = direction;
+
+      for (let z = zStart; direction === 1 ? z <= zEnd : z >= zEnd; z += zStep) {
+        if (this.cancelled) return;
+
+        // Navigate to position above the crop
+        const target = { x, y: y + 1, z };
+        const navGen = this.navigateTo(target);
+        for await (const _ of navGen) {
+          if (this.cancelled) return;
+          yield;
+        }
+
+        // Check the block below
+        const blockBelow = await this.exec(`
+          local hasBlock, data = turtle.inspectDown()
+          if hasBlock then
+            return {name = data.name, state = data.state}
+          end
+          return nil
+        `);
+
+        if (blockBelow) {
+          // Check if crop is mature (age = 7 for most crops)
+          const isMature = blockBelow.state && blockBelow.state.age === 7;
+          
+          if (isMature) {
+            // Harvest
+            await this.exec('turtle.digDown()');
+            this.harvestCount++;
+            
+            // Replant
+            const seedName = CROP_SEEDS[blockBelow.name];
+            if (seedName) {
+              await this.exec(`
+                for slot = 1, 16 do
+                  local item = turtle.getItemDetail(slot)
+                  if item and item.name == "${seedName}" then
+                    turtle.select(slot)
+                    turtle.placeDown()
+                    turtle.select(1)
+                    return true
+                  end
+                end
+                return false
+              `);
+            }
+          }
+        }
+
+        yield;
+      }
+
+      direction *= -1; // Zigzag
+    }
+
+    // Done farming one pass - check inventory
+    const isFull = await this.isInventoryFull();
+    if (isFull) {
+      this.turtle.setState('goHome', { 
+        reason: 'inventory_full', 
+        returnState: 'farming', 
+        returnData: this.data 
+      });
+    } else {
+      // Start another pass
+      console.log(`[${this.turtle.id}] Farm pass complete, ${this.harvestCount} harvested`);
+      yield* this.act(); // Loop
+    }
+  }
+
+  getRecoveryData() {
+    return {
+      ...super.getRecoveryData(),
+      data: {
+        area: this.area,
+      },
+    };
+  }
+}