Robuta

https://www.rhs.org.uk/plants/42167/dianthus-barbatus-nigrescens-group-(p,a)/details Dianthus barbatus Nigrescens Group (p,a) | sweet william Nigrescens Group Annual Biennial/RHS dianthus barbatus sweet william nigrescens group https://www.rhs.org.uk/plants/299913/dianthus-barbatus-darkest-of-all/details Dianthus barbatus 'Darkest of All' | sweet william 'Darkest of All' /RHS dianthus barbatus sweet william darkest rhs https://www.rhs.org.uk/plants/243600/dianthus-barbatus-magic-charms-crimson-(magic-charms-series)/details Dianthus barbatus 'Magic Charms Crimson' (Magic Charms Series) | /RHS dianthus barbatus magic charms crimson series rhs https://www.rhs.org.uk/plants/243779/dianthus-barbatus-noverna-coral-(noverna-series)/details Dianthus barbatus 'Noverna Coral' (Noverna Series) | /RHS dianthus barbatus coral series rhs https://www.rhs.org.uk/plants/211938/dianthus-barbatus-bodestolz/details Dianthus barbatus 'Bodestolz' | /RHS dianthus barbatus rhs