This is the pyplot wrapper for axes.Axes.axvline.

Jul 11, 2022 · These methods are applicable to plots generated with seaborn and pandas.DataFrame.plot, which both use matplotlib. The difference is that vlines accepts one or more …

Jul 23, 2025 · In this article, we'll see different methods to plot vertical lines in Matplotlib. Method 1: Using axline () The axvline () function adds a vertical line at a specified x-coordinate across entire …

Jul 11, 2025 · The easiest way to add a vertical line is by using Matplotlib’s axvline() function in Python. This method lets you draw a vertical line at a specific x-coordinate across the entire y-axis.

Tutorial using Matplotlib to add horizontal and/or vertical lines, with custom styling, to a plot

Mar 15, 2023 · In this tutorial, we'll take a look at how to draw vertical lines on a Matplotlib plot/axis, in Python, using vlines () and axvline (), with practical examples.

Jun 11, 2021 · This tutorial explains how to draw vertical lines on Matplotlib plots, including several examples.

Jul 12, 2025 · This function add the vertical lines across the axes of the plot.

Feb 2, 2024 · When working with graphs, we often have to draw horizontal and vertical lines over the graphs to depict some information. It could be some average value, some threshold value, or some …

Fortunately, Matplotlib handles this requirement efficiently. To implement several markers, the plt.axvline() function is invoked sequentially for every coordinate requiring a vertical line.