Overview
Dianthus 'Mendlesham Saint Helen's' (p) is a bushy herbaceous perennial in the genus Dianthus, part of the Caryophyllaceae family, with evergreen foliage. Dianthus 'Mendlesham Saint Helen's' (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 'Mendlesham Saint Helen's' is a bushy evergreen perennial that thrives in full sun and well-drained soils, including sandy, loamy, and clay types with a range of pH from acid to alkaline. Hardy to RHS H6, it is suitable for exposed or sheltered positions facing south, west, or east. This versatile plant is ideal for gravel gardens, coastal areas, patios, rock gardens, and flower borders, offering year-round interest through spring, summer, autumn, and winter. It is also excellent for low-maintenance gardens and can be used for cut flowers or underplanting roses and shrubs.
Growing conditions
Best soil and position for Dianthus
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy, Clay
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained, Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Dianthus 'Mendlesham Saint Helen's' (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 'Mendlesham Saint Helen's' (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 'Mendlesham Saint Helen's' (p)?
Dianthus 'Mendlesham Saint Helen's' (p) prefers full sun. It suits exposed and sheltered positions.
What soil does Dianthus 'Mendlesham Saint Helen's' (p) need?
Dianthus 'Mendlesham Saint Helen's' (p) is adaptable and grows happily in most soil types, including sandy, loamy and clay. It is happy in soil of any pH. Aim for soil that stays well-drained to moist but well-drained.
Is Dianthus 'Mendlesham Saint Helen's' (p) hardy in the UK?
Dianthus 'Mendlesham Saint Helen's' (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 'Mendlesham Saint Helen's' (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)