diff --git a/mlair/plotting/postprocessing_plotting.py b/mlair/plotting/postprocessing_plotting.py
index c349f01309246a1affe60a20f6783b28237f636d..6d2d5ebd2871bb11bb74363dd4385f5abe687300 100644
--- a/mlair/plotting/postprocessing_plotting.py
+++ b/mlair/plotting/postprocessing_plotting.py
@@ -1008,27 +1008,50 @@ class PlotSampleUncertaintyFromBootstrap(AbstractPlotClass):
         self.error_measure = error_measure
         self.dim_name_boots = dim_name_boots
         self.error_unit = error_unit
+        self.prepare_data(data)
+        self._plot(orientation="v")
 
-        self._plot(data)
+        self.plot_name = self.plot_name + "_horizontal"
+        self._plot(orientation="h")
 
-    def _plot(self, data):
-        data_table = data.to_pandas()
-        n_boots = data_table.shape[0]
+
+        self._data_table = None
+        self._n_boots = None
+
+    def prepare_data(self, data: xr.DataArray):
+        self._data_table = data.to_pandas()
+        self._n_boots = self._data_table.shape[0]
+
+    def _plot(self, orientation: str = "v"):
+        data_table = self._data_table
+        n_boots = self._n_boots
         size = max([len(np.unique(data_table.columns)), 6])
-        fig, ax = plt.subplots(figsize=(size, size * 0.8))
+        if orientation == "v":
+            figsize = (size, size * 0.8)
+        elif orientation == "h":
+            figsize = (size * 0.8, size)
+        else:
+            raise ValueError(f"orientation must be `v' or `h' but is: {orientation}")
+        fig, ax = plt.subplots(figsize=figsize)
         sns.boxplot(data=data_table, ax=ax, whis=1., color="white",
                     showmeans=True, meanprops={"markersize": 3, "markeredgecolor": "k"},
                     flierprops={"marker": "o", "markerfacecolor": "black", "markeredgecolor": "none","markersize": 3},
                     boxprops={'facecolor': 'none', 'edgecolor': 'k'},
-                    width=.3)
-        ax.set_ylabel(f"{self.error_measure}  (in {self.error_unit})")
-        ax.set_xticklabels(ax.get_xticklabels(), rotation=45)
+                    width=.3, orient=orientation)
+        if orientation == "v":
+            ax.set_ylabel(f"{self.error_measure}  (in {self.error_unit})")
+            ax.set_xticklabels(ax.get_xticklabels(), rotation=45)
+        elif orientation == "h":
+            ax.set_xlabel(f"{self.error_measure}  (in {self.error_unit})")
+        else:
+            raise ValueError(f"orientation must be `v' or `h' but is: {orientation}")
         text_box = AnchoredText(f"n={n_boots}", frameon=True, loc=4, pad=0.5)
         plt.setp(text_box.patch, edgecolor='k', facecolor='w')
         ax.add_artist(text_box)
         plt.setp(ax.lines, color='k')
         plt.tight_layout()
         self._save()
+        plt.close("all")
 
 
 if __name__ == "__main__":