This is a correction to: Antti Tenkanen, Markku Keinänen, Elina Oksanen, Sarita Keski-Saari, Sari Kontunen-Soppela, Polar day syndrome: differences in growth, photosynthetic traits and sink-size patterns between northern and southern Finnish silver birch (Betula pendula Roth) provenances in native and non-native photoperiods, Tree Physiology, Volume 43, Issue 1, January 2023, Pages 16–30, https://doi.org/10.1093/treephys/tpac104
In the originally published online version of this manuscript, there was an error in Figure 6: the subplots labelled ``CL'' and ``SD'' were incorrect and should be ``CL'' and ``NCL'' respectively.
Figure 6.
This error has now been corrected.

