[CJ Wolf]

I don’t have much experience with theses type plants. But You may want to remove the dieing one and replant it in a pot in a different spot away from the other nicer plant. Sometimes what ever it is might spread to the others. Once in the pot try to heal it.

[MomwithHope]

Thanks and Thanks too heavy metal I found this document and there are pictures. I am thinking maybe root rot??

https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Plant_Pathology_and_Ecology/COMMONPROBLEMSOFRHODODENDRONANDAZALEA031111Rpdf.pdf?la=en&hash=942BD9CF7007A36D4D9728A89E0C52A4#:~:text=There%20are%20several%20diseases%20that,%2C%20winter%20injury%2C%20and%20chlorosis.

[MomwithHope]

Thanks and Thanks too heavy metal I found this document and there are pictures. I am thinking maybe root rot??

https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Plant_Pathology_and_Ecology/COMMONPROBLEMSOFRHODODENDRONANDAZALEA031111Rpdf.pdf?la=en&hash=942BD9CF7007A36D4D9728A89E0C52A4#:~:text=There%20are%20several%20diseases%20that,%2C%20winter%20injury%2C%20and%20chlorosis.

[MomwithHope]

Thanks and Thanks too heavy metal I found this document and there are pictures. I am thinking maybe root rot??

https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Plant_Pathology_and_Ecology/COMMONPROBLEMSOFRHODODENDRONANDAZALEA031111Rpdf.pdf?la=en&hash=942BD9CF7007A36D4D9728A89E0C52A4#:~:text=There%20are%20several%20diseases%20that,%2C%20winter%20injury%2C%20and%20chlorosis.