pachysandra

Question

Some of the leaves are turning brown. Any idea why?

Answer 1

If the leaves are brown only on the tips and edges, check this article:
https://www.gardeningknowhow.com/plant-problems/environmental/what-causes-brown-edges-on-leaves-of-plant.htm

If the whole leaves are turning brown, it might be simply environmental factors or leaf aging. See this article:
https://www.rhs.org.uk/advice/profile?PID=364

There is also a blight disease that affects Pachysandra and can cause brown patches on leaves. Check this article to see if the symptoms match:
http://ipm.uconn.edu/documents/raw2/Pachysandra%20Leaf%20and%20Stem%20Blight/Pachysandra%20Leaf%20and%20Stem%20Blight.php?aid=161