https://www.rhs.org.uk/plants/506144/veronica-catarractae-miss-willmott-(p)/details
Veronica catarractae 'Miss Willmott' (P) | /RHS
veronica catarractaemisswillmottprhs
https://www.rhs.org.uk/plants/506131/veronica-catarractae-whittallii-(p)/details
Veronica catarractae 'Whittallii' (P) | /RHS
veronica catarractaeprhs