plotting - Epilog with text not shown

I use the Epilog option in order to print in the vertical axes a label between 0 and 20 as follows

Plot[x^2, {x, -10, 10}, Frame -> True, Epilog -> {Text[
Style["S", FontFamily -> "Helvetica", Black, Bold, 20], {-12, 

 10}]}]

enter image description here

However, the label is not shown in the plot. I also used ImagePadding to create more white space at the left right of the plot but without result. Any suggestions how to print this label? I don't want to use custom ticks.

Answer

Use ImagePadding with a large enough value and set the option PlotRangeClipping to False:

Plot[x^2, {x, -10, 10}, Frame -> True,
 Epilog -> {Text[Style["S", FontFamily -> "Helvetica", Black, Bold, 20], {-12,10}]},
 ImagePadding -> 30, PlotRangeClipping -> False]

enter image description here

Comments

plotting - Plot 4D data with color as 4th dimension

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plotting - Mathematica: 3D plot based on combined 2D graphs

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