What would cause black spots on the leaves of a newly planted avocado tree? Just purchased an avocado tree from our local Home Depot and today it has black dots on its leaves. Wondering what might cause this.
Black Spots on Avocado Tree
Certified GKH Gardening Expert
A photo would aid in my identification but I will give this my best shot. How large are the dots? It is probably insect related and below are pests that would leave black specks/spots/residue:
It could be sooty mold caused by scale or aphids:
For more information on avocado pests and disease, please visit the following link: