About
A bushy short-lived perennial, usually grown as a biennial to flower in spring and summer. The scented flowers are a deep-maroon, almost black colour and are held on long stems, some of which may exceed 50cm in height. Green leaves develop dark purple-maroon shades as they mature.
About the genus
Dianthus can be annuals, evergreen perennials or subshrubs with narrow, often greyish leaves and showy flowers that are frequently fragrant
Growing conditions
SunlightFull sun
Soil typeLoam, Sand, Chalk, Clay
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeAnnual Biennial, Bedding
HabitBushy
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Wildlife gardens
FragranceFlower
ToxicityHumans/Pets: Skin allergen, wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in a well-drained soil in a sunny position
PruningDeadhead regularly to prolong flowering
PropagationPropagate by softwood cuttings of non-flowering shoots. Dianthus barbatus can be grown from seed, but seed collected from cultivars may result in plants with different characteristics
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceMay be susceptible to powdery mildews, a rust, a virus and fusarium wilt