About
Double, charcoal grey-purple flowers with slashes of crimson appear in summer. An evergreen perennial with narrow grey-green leaves to 60cm in height. This sprawling plant may need some support, but the unique flowers make up for it. An excellent cut flower, one for a gothic button hole.
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 typeChalk, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright, Matforming
FoliageEvergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Patio and container plants
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, neutral to alkaline soil in full sun. Plants will benefit from being divided about every five years
PruningDeadhead regularly to prolong flowering
PropagationPropagate by softwood cuttings of non-flowering shoots in summer (Dianthus cuttings are known as pipings) or by layering after flowering or by division in spring
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceMay be susceptible to powdery mildews, a rust, a virus and fusarium wilt