Robuta

https://www.huntington.org/collections/bot-146907 Ceanothus cyaneus | Collections | The Huntington ceanothus cyaneus collections huntington https://www.rhs.org.uk/plants/271095/ceanothus-cyaneus-ybn-blue/details Ceanothus cyaneus 'YBN Blue' | /RHS ceanothus cyaneus ybn blue rhs