Overview
Dianthus gratianopolitanus 'Grandiflorus' (p) is a bushy herbaceous perennial in the genus Dianthus, part of the Caryophyllaceae family, with evergreen foliage. Dianthus gratianopolitanus 'Grandiflorus' (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 gratianopolitanus 'Grandiflorus' is a bushy, evergreen perennial cultivar within the Dianthus genus, known for its slender foliage and prominent, often aromatic flowers. It thrives in full sun and well-drained soils such as chalk, loam, or sand, tolerating a range of pH levels from acid to alkaline. Hardy to UK zone H6, it suits various garden settings including gravel gardens, rock gardens, and patios. This cultivar is valued for its year-round interest and is propagated by softwood cuttings or layering. It benefits from support for its stems and can be grown under glass in loam-based compost.
About the genus
Dianthus is a genus of about 340 species of flowering plants in the family Caryophyllaceae, native mainly to Europe and Asia, with a few species in northern and southern Africa, and one species (D. repens) in arctic North America. Common names include carnation (D.
Wikipedia contributors, "Dianthus", CC BY-SA 4.0 — Dianthus
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 gratianopolitanus 'Grandiflorus' (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 gratianopolitanus 'Grandiflorus' (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 gratianopolitanus 'Grandiflorus' (p)?
Dianthus gratianopolitanus 'Grandiflorus' (p) prefers full sun. It suits exposed and sheltered positions.
What soil does Dianthus gratianopolitanus 'Grandiflorus' (p) need?
Dianthus gratianopolitanus 'Grandiflorus' (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 gratianopolitanus 'Grandiflorus' (p) hardy in the UK?
Dianthus gratianopolitanus 'Grandiflorus' (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 gratianopolitanus 'Grandiflorus' (p)?
Softwood cuttings of non-flowering shoots in summer,Layering after flowering.
More in the Dianthus genus
- Dianthus 'Coronation'Carnation
- Dianthus 'Mrs Sinkins'
- Dianthus 'Thomas'Carnation
- Dianthus caryophyllus 'Wesever'PBRCarnation
- Dianthus fruticosus subsp. carpathus
- Dianthus sp. (coll. Romania)
- Dianthus 'Bat's Double Red'
- Dianthus 'Brympton Red'Pink