Overview
Viola 'Kir Royale' is a clump forming herbaceous perennial in the genus Viola, part of the Violaceae family, with evergreen, semi evergreen foliage. Viola 'Kir Royale' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, patio and container plants, city and courtyard gardens, flower borders and beds and underplanting of roses and shrubs.
About
Viola 'Kir Royale' is a clump-forming herbaceous perennial within the Viola genus, known for its evergreen to semi-evergreen foliage and distinctive five-petalled flowers. This cultivar thrives in moist, humus-rich soil and can tolerate full sun if kept moist, making it suitable for a variety of garden settings including cottage gardens, patios, and flower borders. It is hardy to UK zone H5 and performs well in a range of soil types and pH levels. 'Kir Royale' offers seasonal interest from spring through to autumn, providing long-lasting colour in both sheltered and exposed positions.
Growing conditions
Best soil and position for Viola
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Viola 'Kir Royale' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Evergreen, Semi evergreen
- Suggested uses
- Cottage and informal garden, Patio and container plants, City and courtyard gardens, Flower borders and beds, Underplanting of roses and shrubs
Care notes
Pruning and caring for Viola 'Kir Royale'
- Propagation
- Seed sown in late winter or early spring
- Pest resistance
- Slugs, Snails, Aphids, Glasshouse red spider mite, Violet gall midge
- Disease resistance
- Powdery mildews, Pansy leaf spot, A virus, A rust
Frequently asked questions
Where is the best place to plant Viola 'Kir Royale'?
Viola 'Kir Royale' prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Viola 'Kir Royale' need?
Viola 'Kir Royale' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Viola 'Kir Royale' hardy in the UK?
Viola 'Kir Royale' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Viola 'Kir Royale'?
Seed sown in late winter or early spring.
More in the Viola genus
- Viola 'Imperial Antique Shades'
- Viola 'Ab5131'PBR
- Viola 'Alice Witter' (Vt)
- Viola 'Beatrice' (Vtta)
- Viola 'Black Knight'
- Viola 'Caroline' (Va)
- Viola 'Cinders' (Vtta)
- Viola 'Clover' (Va)