About

A semi-evergreen perennial to 60cm with narrow, grass-like, blue-green foliage and small, dense, terminal clusters of deep red flowers on fine, upright stems from early to late summer.

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
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageEvergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Patio and container plants
Native toSE Europe to Iran
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. Will not tolerate winter wet
PruningDeadhead regularly to prolong flowering and trim overwintered shoots in spring to keep tidy
PropagationPropagate by seed or by softwood cuttings of non-flowering shoots in summer
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceMay be susceptible to powdery mildews, a rust, a virus and fusarium wilt