Robuta

https://www.rhs.org.uk/plants/76745/rhododendron-ferrugineum-ascreavie-form/details Rhododendron ferrugineum Ascreavie form | /RHS rhododendron ferrugineum ascreavie form rhs https://www.rhs.org.uk/plants/53815/rhododendron-ferrugineum-hill-of-tarvit/details Rhododendron ferrugineum 'Hill of Tarvit' | /RHS hill of tarvit rhododendron ferrugineum rhs