diff --git a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
index 826e5b9..52fbfb2 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
@@ -12,6 +12,7 @@ import ch.zhaw.gartenverwaltung.types.Crop;
 import ch.zhaw.gartenverwaltung.types.Pest;
 import ch.zhaw.gartenverwaltung.types.Plant;
 import ch.zhaw.gartenverwaltung.types.Task;
+import javafx.application.Platform;
 import javafx.beans.property.ListProperty;
 import javafx.beans.property.SimpleListProperty;
 import javafx.collections.FXCollections;
@@ -133,8 +134,14 @@ public class CropDetailController {
             initializeTaskListProperty(crop);
 
             TaskList.TaskListObserver taskListObserver = newTaskList -> {
-                taskListProperty.clear();
-                taskListProperty.addAll(gardenSchedule.getTaskListForCrop(crop.getCropId().get()));
+                Platform.runLater(() -> {
+                    taskListProperty.clear();
+                    try {
+                        taskListProperty.addAll(gardenSchedule.getTaskListForCrop(crop.getCropId().get()));
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
             };
             gardenSchedule.setTaskListObserver(taskListObserver);
 
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/Main.java b/src/main/java/ch/zhaw/gartenverwaltung/Main.java
index f757926..94390db 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/Main.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/Main.java
@@ -28,7 +28,7 @@ public class Main extends Application {
         stage.setTitle("Gartenverwaltung");
         stage.show();
 
-        backGroundTaskTimer.scheduleAtFixedRate(backgroundTasks, 0, 60000);
+        backGroundTaskTimer.scheduleAtFixedRate(backgroundTasks, 0, 10000);
 
     }
 
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/backgroundtasks/BackgroundTasks.java b/src/main/java/ch/zhaw/gartenverwaltung/backgroundtasks/BackgroundTasks.java
index eea692a..ae56dab 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/backgroundtasks/BackgroundTasks.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/backgroundtasks/BackgroundTasks.java
@@ -24,7 +24,7 @@ public class BackgroundTasks extends TimerTask {
     private final WeatherGradenTaskPlanner weatherGardenTaskPlaner;
 
     private void movePastTasks() throws IOException {
-        List<Task> taskList = this.taskList.getTaskList(LocalDate.MIN, LocalDate.now().minusDays(1));
+        List<Task> taskList = this.taskList.getTaskList(LocalDate.MIN.plusDays(1), LocalDate.now().minusDays(1));
         for (Task task : taskList) {
             if (!task.isDone()) {
                 task.setNextExecution(LocalDate.now());