diff --git a/basic_grid.py b/basic_grid.py
index 64d73f9..90e6327 100644
--- a/basic_grid.py
+++ b/basic_grid.py
@@ -1,10 +1,7 @@
-### TO DO: PLANT SPRITES, PLANT GROWTH ###
-
 # Import the pygame module
 import pygame
 
 # Import pygame.locals for easier access to key coordinates
-# Updated to conform to flake8 and black standards
 from pygame.locals import (
     K_UP,
     K_LEFT,
@@ -14,6 +11,7 @@ from pygame.locals import (
     QUIT
 )
 
+# Import other files from project
 import field as F
 import tractor as T
 import plant as P
@@ -32,26 +30,29 @@ pygame.display.set_caption("Inteligentny Traktor")
 # The size is determined by the constant SCREEN_WIDTH and SCREEN_HEIGHT
 screen = pygame.display.set_mode((D.SCREEN_WIDTH, D.SCREEN_HEIGHT))
 
-#define map
-
+# Define the map of the field
 mapschema = maps.createField()
 
 # Create field array
 field = []
 
+# Populate the field array
 for row in range(D.GSIZE):
     field.append([])
     for column in range(D.GSIZE):
         fieldbit = F.Field(row, column, mapschema[column][row])
         field[row].append(fieldbit)
 
+# Create Tractor object
+tractor = T.Tractor(field, [0,0])
 
-tractor = T.Tractor(field[0][0])
-
+# Define the map of plants
 mapschema = maps.createPlants()
 
+# Createt plants array
 plants = []
 
+# Populate the plants array
 for row in range(D.GSIZE):
     plants.append([])
     for column in range(D.GSIZE):
@@ -59,14 +60,16 @@ for row in range(D.GSIZE):
             plantbit = P.Plant(field[row][column], mapschema[column][row])
             plants[row].append(plantbit)
 
-
+# Create list for tractor instructions
 path = []
 
 # Variable to keep the main loop running
 RUNNING = True
 
+# Variable conroling timed eventes
 TICKER = 0
 
+# Initialize clock
 clock = pygame.time.Clock()
 
 
@@ -84,11 +87,14 @@ while RUNNING:
         elif event.type == QUIT:
             RUNNING = False
 
+    # Create key Node that will be used to calculate tractor instructions
     processor = N.Node(field, tractor.position, tractor.direction)
 
+    # If path is empty or nonexistent, create new one
     if path is None or len(path) == 0:
         path = processor.findPathToPlant()
 
+    # control tractor by poping instructions from path list
     if path is not None:
         if path[0] == "move":
             tractor.move()
@@ -105,9 +111,10 @@ while RUNNING:
         else:
             path.pop(0)
 
-    # Get all keys pressed at a time
+    # Get all keys pressed at a time CURRENTLY UNUSED
     pressed_keys = pygame.key.get_pressed()
     
+    # control tractor with pressed keys CURRENTLY UNUSED
     if pressed_keys[K_UP]:
         tractor.move()
     elif pressed_keys[K_LEFT]:
@@ -123,23 +130,27 @@ while RUNNING:
         for column in range(D.GSIZE):
             screen.blit(field[row][column].surf, field[row][column].rect)
 
+    # Draw the tactor
     screen.blit(tractor.surf, tractor.rect)
 
-    # Draw the player on the screen
+    # Plants grow with every 10th tick, then they are drawn
     for row in plants:
         for plant in row:
-            if TICKER % 10 == 0:
-                plant.grow()
+            plant.tick()
+            plant.grow()
             screen.blit(plant.surf, plant.rect)
     
+    # Field are drying with every 100th tick
     if TICKER == 0:
         for row in range(D.GSIZE):
             for column in range(D.GSIZE):
                 field[row][column].dehydrate()
 
+    # Increment ticker 
     TICKER = (TICKER + 1)%100
 
     # Update the screen
     pygame.display.flip()
-    
+
+    # Ensure program maintains a stable framerate
     clock.tick(8)