📝 whatsnew entry

Author: MarcoGorelli

doc/source/whatsnew/v1.0.0.rst

@@ -1143,6 +1143,7 @@ Plotting
 - Bug in color validation incorrectly raising for non-color styles (:issue:`29122`).
 - Allow :meth:`DataFrame.plot.scatter` to plot ``objects`` and ``datetime`` type data (:issue:`18755`, :issue:`30391`)
 - Bug in :meth:`DataFrame.hist`, ``xrot=0`` does not work with ``by`` and subplots (:issue:`30288`).
+- Plotting tz-aware timeseries no longer gives UserWarning (:issue:`31205`)
 
 Groupby/resample/rolling
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