About
A short-lived perennial usually treated as a biennial and grown as a bedding plant. Dark red, scented flowers in late spring and early summer are held above dark purple, almost black leaves.
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, Clay, Chalk
Soil pHAlkaline, Neutral, Acid
Soil moistureWell-drained
AspectEast-facing, South-facing, West-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 full sun
PruningDeadhead as required
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