Overview
Dianthus 'Cosmic Swirl Red' (p) is a bushy herbaceous perennial in the genus Dianthus, part of the Caryophyllaceae family, with evergreen foliage. Dianthus 'Cosmic Swirl Red' (p) grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include gravel garden, city and courtyard gardens, coastal, cottage and informal garden, patio and container plants, rock garden, low maintenance, wall side borders, banks and slopes, cut flowers, flower borders and beds and underplanting of roses and shrubs.
About
Dianthus 'Cosmic Swirl Red' is a bushy evergreen perennial cultivar within the Dianthus genus, known for its slender foliage and aromatic flowers. It thrives in full sun and well-drained soils such as chalk, loam, or sand, tolerating a range of soil pH from acid to alkaline. Hardy to UK zone H6, it is suitable for various garden settings including gravel gardens, coastal areas, and patios. This cultivar is valued for its year-round interest from spring through winter and can be propagated by softwood cuttings or layering.
Growing conditions
Best soil and position for Dianthus
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Dianthus 'Cosmic Swirl Red' (p) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Gravel garden, City and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants, Rock garden, Low Maintenance, Wall side borders, Banks and slopes, Cut flowers, Flower borders and beds, Underplanting of roses and shrubs
Care notes
Pruning and caring for Dianthus 'Cosmic Swirl Red' (p)
- Propagation
- Softwood cuttings of non-flowering shoots in summer,Layering after flowering
- Pest resistance
- Slugs,Aphids
- Disease resistance
- Powdery mildews,Rust,Fusarium wilt
Frequently asked questions
Where is the best place to plant Dianthus 'Cosmic Swirl Red' (p)?
Dianthus 'Cosmic Swirl Red' (p) prefers full sun. It suits exposed and sheltered positions.
What soil does Dianthus 'Cosmic Swirl Red' (p) need?
Dianthus 'Cosmic Swirl Red' (p) is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Dianthus 'Cosmic Swirl Red' (p) hardy in the UK?
Dianthus 'Cosmic Swirl Red' (p) has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Dianthus 'Cosmic Swirl Red' (p)?
Softwood cuttings of non-flowering shoots in summer,Layering after flowering.
More in the Dianthus genus
- Dianthus 'Activa' (pf)
- Dianthus 'Alanya' (pf)
- Dianthus 'Aldridge Yellow' (b)
- Dianthus 'Alice Forbes Improved' (b)
- Dianthus 'Allen's Maria' (p)
- Dianthus 'Alpine Purple' (pt)
- Dianthus 'Amazon Neon Duo' (Amazon Series)
- Dianthus 'Anders Pretty Penny' (p)