Rhododendron ‘Mrs Anthony Waterer’ from Fremont California-GS29082021-2: 2 images.
.
References:
https://www.mygarden.org/plants/2048-Rhododendron-Mrs-Anthony-Waterer
https://www.baumschule-horstmann.de/shop/exec/product/49/3794/Rhododendron-Mrs-Anthony-Waterer.html
https://zielonozakreceni.pl/forum/ilustrowany-spis-rozanecznikow-i-azalii/1150-rozanecznik-rhododendron-mrs-anthony-waterer-20-c