My yellow calla lilies have dark brown streaks in the leaves and I've searched the internet and can't find an answer as to why? Also, something is eating my leaves and I would like to know what I can put on the soil to kill the bugs/caterpillars. Thank you.
Calla Lilies Have Dark Brown Streaks in the Leaves
Certified GKH Gardening Expert
It actually looks like you may have a sport. That streak does not look like damage but rather a natural color variation in the leaves. Sports are a genetic mutation that can sometimes result in some pleasant variations in a plant. To be honest, it might be fun to see if this trait persists from year to year and you would have a unique variety.
Here is more on sports: