Manzanita blight - Ask Extension
I have a small Manzanita that the leaves are turning yellow on and they have small black dots. Any ideas?
Knowledgebase
Manzanita blight #830588
Asked May 17, 2023, 3:47 PM EDT
I have a small Manzanita that the leaves are turning yellow on and they have small black dots. Any ideas?
Lane County Oregon
Expert Response
This looks like manzanita leaf spot which can be due to a number of different fungi that can infect plants during wet weather.
Here is some information, including cultural control recommendations, from the Pacific NW Plant Disease Management Handbook - https://pnwhandbooks.org/plantdisease/host-disease/manzanita-arctostaphylos-manzanita-leaf-spots
Here is some information, including cultural control recommendations, from the Pacific NW Plant Disease Management Handbook - https://pnwhandbooks.org/plantdisease/host-disease/manzanita-arctostaphylos-manzanita-leaf-spots
