How to add vertical gridlines in seaborn catplot with multiple column plots

Question

I want to plot a catplot using the following code.

import seaborn as sns
sns.set_theme(style="ticks")
exercise = sns.load_dataset("exercise")
sns.set_style({'axes.grid': True})
g = sns.catplot(x="time", y="pulse", hue="kind", data=exercise)

But this does not plot vertical gridlines. How can I add them?

Answer 1

You could also simply use：

sns.set_style("whitegrid")

It works with other sns plotting functions as well.

Answer 2

It looks like seaborn actively turns off vertical grid lines (see here).

You have to re-enable them on each axes created by catplot:

sns.set_style("ticks")
exercise = sns.load_dataset("exercise")
g = sns.catplot(x="time", y="pulse", hue="kind", data=exercise)
for ax in g.axes.flat:
    ax.grid(True, axis='both')