lemon tree leaves tiny black holes/spots
Whats causing these little black holes or spots in my Meyer lemon tree leaves?
Certified GKH Gardening Expert
There are, actually, several diseases that can cause this. This article will help you to get started in diagnosing. If you cannot make a definite diagnosis, then you can click the hyperlink in the article to "consult your extension service" and it will take you to a page that will allow you to find the closest service to you.
Here is the article: https://www.gardeningknowhow.com/edible/fruits/lemons/common-lemon-tree-diseases.htm