diff --git a/.idea/ai-project.iml b/.idea/ai-project.iml
index 9339130..a23e703 100644
--- a/.idea/ai-project.iml
+++ b/.idea/ai-project.iml
@@ -5,7 +5,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <excludeFolder url="file://$MODULE_DIR$/venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.9 (ai-project)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.10" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 3fc3916..dc9ea49 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (ai-project)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/src/plant.py b/src/plant.py
new file mode 100644
index 0000000..7e12859
--- /dev/null
+++ b/src/plant.py
@@ -0,0 +1,39 @@
+class Plant:
+    """class representing plants"""
+
+    def __init__(self, species, tile):
+        self.species = species
+        self.tile = tile
+        self.position = tile.position
+        match species:
+            case "potato":
+                self.min_hydration = 60
+                self.max_hydration = 80
+                self.plant_protectant = "Altima 500SC"
+                self.fertilizer = "mocznik.pl"
+            case "tomato":
+                self.min_hydration = 70
+                self.max_hydration = 80
+                self.plant_protectant = "do uzupełnienia"
+                self.fertilizer = "do uzupełnienia"
+            case "beetroot":
+                self.min_hydration = 50
+                self.max_hydration = 75
+                self.plant_protectant = "do uzupełnienia"
+                self.fertilizer = "do uzupełnienia"
+            case "cucumber":
+                self.min_hydration = 70
+                self.max_hydration = 90
+                self.plant_protectant = "do uzupełnienia"
+                self.fertilizer = "do uzupełnienia"
+        self.growth = 0 # value between 0 and 1
+        self.wilted = False
+
+    def remove(self):
+        self.tile.planted = False
+
+    def grow(self):
+        return True
+    # function growing plant during tick
+    # using parameters of field tile to calculate growth
+    # for example if tile is hydrated and fertilized it will grow faster
\ No newline at end of file
diff --git a/src/tractor.py b/src/tractor.py
index 521b33f..0f4be36 100644
--- a/src/tractor.py
+++ b/src/tractor.py
@@ -7,3 +7,22 @@ class Tractor:
         self.addition = addition
         self.trajectory = trajectory
 
+    def hydrate(self, tile):
+        if tile.hydration < tile.plant.min_hydration:
+            tile.hydration = tile.plant.max_hydration
+
+    def collect(self, tile):
+        if tile.plant.growth >= 0.75:
+            tile.remove_plant()
+
+    def cut(self, tile):
+        tile.remove_plant()
+
+    def plant(self, tile):
+        if not tile.planted:
+            tile.plant()
+
+    def fertilize(self, tile):
+        if not tile.isfertilized:
+            tile.isFertilized = True
+            tile.fertilizer = tile.plant.fertilizer
diff --git a/src/tractor_addons.py b/src/tractor_addons.py
new file mode 100644
index 0000000..28043bb
--- /dev/null
+++ b/src/tractor_addons.py
@@ -0,0 +1,8 @@
+class Addon:
+    """class representing plants"""
+
+    def __init__(self, type, capacity, application):
+
+        self.type = type
+        self.capacity = capacity
+        self.application = application
\ No newline at end of file