diff --git a/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskDatabase.java b/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskDatabase.java
index a849bbc..5d92e56 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskDatabase.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskDatabase.java
@@ -1,5 +1,6 @@
 package ch.zhaw.gartenverwaltung.io;
 
+import ch.zhaw.gartenverwaltung.types.Crop;
 import ch.zhaw.gartenverwaltung.types.Task;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
@@ -57,6 +58,16 @@ public class JsonTaskDatabase implements TaskDatabase{
         return taskMap.values().stream().filter(task -> task.isInTimePeriode(start, end)).toList();
     }
 
+    @Override
+    public List<Task> getTaskForCrop(Crop crop) {
+        return null; //TODO implement
+    }
+
+    @Override
+    public void removeTasksForCrop(Crop crop) {
+        // TODO implement
+    }
+
     /**
      * If no data is currently loaded, data is loaded from {@link #dataSource}.
      * If the {@link Task} has an id than the task is added to the {@link #taskMap}
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/io/TaskDatabase.java b/src/main/java/ch/zhaw/gartenverwaltung/io/TaskDatabase.java
index 19ad778..02ca54d 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/io/TaskDatabase.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/io/TaskDatabase.java
@@ -1,5 +1,6 @@
 package ch.zhaw.gartenverwaltung.io;
 
+import ch.zhaw.gartenverwaltung.types.Crop;
 import ch.zhaw.gartenverwaltung.types.HardinessZone;
 import ch.zhaw.gartenverwaltung.types.Plant;
 import ch.zhaw.gartenverwaltung.types.Task;
@@ -24,6 +25,10 @@ public interface TaskDatabase {
      */
     List<Task> getTaskList(LocalDate start, LocalDate end) throws IOException;
 
+    List<Task> getTaskForCrop(Crop crop); //TODO Javadoc
+
+    void removeTasksForCrop(Crop crop); // TODO Javadoc
+
     /**
      * Saves the {@link Task} in the Cache.
      *
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/taskList/PlantNotFoundException.java b/src/main/java/ch/zhaw/gartenverwaltung/taskList/PlantNotFoundException.java
new file mode 100644
index 0000000..149e1ef
--- /dev/null
+++ b/src/main/java/ch/zhaw/gartenverwaltung/taskList/PlantNotFoundException.java
@@ -0,0 +1,7 @@
+package ch.zhaw.gartenverwaltung.taskList;
+
+public class PlantNotFoundException extends Exception {
+    public PlantNotFoundException() {
+        super("The selected Plant was not found in Database!");
+    }
+}
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/taskList/TaskListModel.java b/src/main/java/ch/zhaw/gartenverwaltung/taskList/TaskListModel.java
index 7525886..a42738d 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/taskList/TaskListModel.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/taskList/TaskListModel.java
@@ -13,6 +13,7 @@ import java.io.IOException;
 import java.time.LocalDate;
 import java.util.Comparator;
 import java.util.List;
+import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
 public class TaskListModel {
@@ -34,13 +35,18 @@ public class TaskListModel {
         taskDatabase.saveTask(task);
     }
 
-    public void planTasksForCrop(Crop crop) throws HardinessZoneNotSetException, IOException {
-        Plant plant = plantDatabase.getPlantById(HardinessZone.ZONE_8A, crop.getPlantId()).orElseThrow();
+    public void planTasksForCrop(Crop crop) throws PlantNotFoundException, HardinessZoneNotSetException, IOException {
+        Plant plant = plantDatabase.getPlantById(HardinessZone.ZONE_8A, crop.getPlantId()).orElseThrow(PlantNotFoundException::new);
         // TODO new exception
         // TODO HArdiness Zone
         return;
     }
 
+    public void removeTasksForCrop(Crop crop) {
+        //TODO implement
+        taskDatabase.removeTasksForCrop(crop);
+    }
+
     public void removeTask(Task task) throws IOException {
         taskDatabase.removeTask(task);
     }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
index 3b26745..dabaf58 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
@@ -15,6 +15,7 @@ public class Task {
     private final LocalDate startDate;
     private Integer interval;
     private LocalDate endDate;
+    private Crop cropId;
 
     /**
      * default constructor
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json b/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
index 8b955f9..b3514b0 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
@@ -1,50 +1,56 @@
 [
   {
-    "id": 1,
-    "name": "sow plant",
-    "description": "Plant the seeds, crops in de bed.",
-    "startDate": "2022-05-01",
-    "endDate": "2022-05-01",
-    "interval": 0
+  "id" : 1,
+  "name" : "sow plant",
+  "description": "Plant the seeds, crops in de bed.",
+  "startDate" : "2022-05-01",
+  "endDate" : "2022-05-01",
+  "interval" : 0,
+    "cropID" : 0
   },
   {
-    "id": 2,
-    "name": "water plant",
+    "id" : 2,
+    "name" : "water plant",
     "description": "water the plant, so that the soil is wet around the plant.",
-    "startDate": "2022-05-01",
-    "endDate": "2022-09-01",
-    "interval": 2
+    "startDate" : "2022-05-01",
+    "endDate" : "2022-09-01",
+    "interval" : 2,
+    "cropID" : 0
   },
   {
-    "id": 3,
-    "name": "fertilize plant",
+    "id" : 3,
+    "name" : "fertilize plant",
     "description": "The fertilizer has to be mixed with water. Then fertilize the plants soil with the mixture",
-    "startDate": "2022-06-01",
-    "endDate": "2022-08-01",
-    "interval": 28
+    "startDate" : "2022-06-01",
+    "endDate" : "2022-08-01",
+    "interval" : 28,
+    "cropID" : 0
   },
   {
-    "id": 4,
-    "name": "covering plant",
+    "id" : 4,
+    "name" : "covering plant",
     "description": "Take a big enough coverage for the plants. Cover the whole plant with a bit space between the plant and the coverage",
-    "startDate": "2022-07-01",
-    "endDate": "2022-07-01",
-    "interval": 0
+    "startDate" : "2022-07-01",
+    "endDate" : "2022-07-01",
+    "interval" : 0,
+    "cropID" : 0
   },
   {
-    "id": 5,
-    "name": "look after plant",
+    "id" : 5,
+    "name" : "look after plant",
     "description": "Look for pest or illness at the leaves of the plant. Check the soil around the plant, if the roots are enough covered with soil",
-    "startDate": "2022-05-01",
-    "endDate": "2022-09-01",
-    "interval": 5
+    "startDate" : "2022-05-01",
+    "endDate" : "2022-09-01",
+    "interval" : 5,
+    "cropID" : 0
   },
   {
-    "id": 6,
-    "name": "harvest plant",
+    "id" : 6,
+    "name" : "harvest plant",
     "description": "Pull the ripe vegetables out from the soil. Clean them with clear, fresh water. ",
-    "startDate": "2022-09-01",
-    "endDate": "2022-09-01",
-    "interval": 0
+    "startDate" : "2022-09-01",
+    "endDate" : "2022-09-01",
+    "interval" : 0,
+    "cropID" : 0
   }
-]
+]
\ No newline at end of file