diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
index 7fe6045039b1..71224fb3affe 100644
--- a/lib/matplotlib/projections/polar.py
+++ b/lib/matplotlib/projections/polar.py
@@ -1292,7 +1292,10 @@ def set_rscale(self, *args, **kwargs):
return Axes.set_yscale(self, *args, **kwargs)
def set_rticks(self, *args, **kwargs):
- return Axes.set_yticks(self, *args, **kwargs)
+ result = Axes.set_yticks(self, *args, **kwargs)
+ self.yaxis.set_major_locator(
+ self.RadialLocator(self.yaxis.get_major_locator(), self))
+ return result
def set_thetagrids(self, angles, labels=None, fmt=None, **kwargs):
"""
diff --git a/lib/matplotlib/tests/test_polar.py b/lib/matplotlib/tests/test_polar.py
index ff2ad6433e6b..27bcd3fa11a8 100644
--- a/lib/matplotlib/tests/test_polar.py
+++ b/lib/matplotlib/tests/test_polar.py
@@ -506,3 +506,23 @@ def test_polar_errorbar(order):
ax.errorbar(theta, r, xerr=0.1, yerr=0.1, capsize=7, fmt="o", c="seagreen")
ax.set_theta_zero_location("N")
ax.set_theta_direction(-1)
+
+
+def test_radial_limits_behavior():
+ # r=0 is kept as limit if positive data and ticks are used
+ # negative ticks or data result in negative limits
+ fig = plt.figure()
+ ax = fig.add_subplot(projection='polar')
+ assert ax.get_ylim() == (0, 1)
+ # upper limit is expanded to include the ticks, but lower limit stays at 0
+ ax.set_rticks([1, 2, 3, 4])
+ assert ax.get_ylim() == (0, 4)
+ # upper limit is autoscaled to data, but lower limit limit stays 0
+ ax.plot([1, 2], [1, 2])
+ assert ax.get_ylim() == (0, 2)
+ # negative ticks also expand the negative limit
+ ax.set_rticks([-1, 0, 1, 2])
+ assert ax.get_ylim() == (-1, 2)
+ # negative data also autoscales to negative limits
+ ax.plot([1, 2], [-1, -2])
+ assert ax.get_ylim() == (-2, 2)
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