Overview
Primula auricula 'The Czar' (Au/A) is a clump-forming herbaceous perennial in the genus Primula, part of the Primulaceae family, with semi-evergreen foliage. Primula auricula 'The Czar' (Au/A) grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4, H5, H6, H7. Suggested uses include borders, containers, woodland gardens, rock gardens, bedding, wildflower meadows, wildlife gardens, coastal gardens and cottage gardens.
About
Primula auricula 'The Czar' is a clump-forming cultivar of the Primula genus, which comprises perennial plants with a basal rosette of simple leaves. This semi-evergreen plant produces salver-shaped or bell-shaped flowers on upright stems, typically in spring and summer. It thrives in fertile, moist but well-drained soil and prefers full sun to partial shade in sheltered, south-, east-, or west-facing aspects. Suitable for a variety of garden settings, including borders, containers, rock gardens, and wildlife gardens, it is hardy across several UK hardiness zones from H4 to H7.
About the genus
Primula is a genus of herbaceous flowering plants in the family Primulaceae. They include the primrose, a familiar wildflower of banks and verges. Other common species are P.
Wikipedia contributors, "Primula", CC BY-SA 4.0 — Primula
Growing conditions
Best soil and position for Primula
- 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, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4, H5, H6, H7
Plant details
Primula auricula 'The Czar' (Au/A) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump-forming
- Foliage
- Semi-evergreen
- Suggested uses
- Borders, Containers, Woodland gardens, Rock gardens, Bedding, Wildflower meadows, Wildlife gardens, Coastal gardens, Cottage gardens
Care notes
Pruning and caring for Primula auricula 'The Czar' (Au/A)
- Propagation
- Seed, Root basal cuttings
- Pest resistance
- Aphids, Vine weevil, Slugs, Leaf and bud eelworms, Leaf-mining flies, Glasshouse red spider mite
- Disease resistance
- Leaf spot, Grey moulds
Frequently asked questions
Where is the best place to plant Primula auricula 'The Czar' (Au/A)?
Primula auricula 'The Czar' (Au/A) prefers full sun and partial shade. It suits sheltered positions.
What soil does Primula auricula 'The Czar' (Au/A) need?
Primula auricula 'The Czar' (Au/A) 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 Primula auricula 'The Czar' (Au/A) hardy in the UK?
Primula auricula 'The Czar' (Au/A) has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Primula auricula 'The Czar' (Au/A)?
Seed, Root basal cuttings.
More in the Primula genus
- Primula aurantiaca
- Primula burmanica
- Primula helodoxa
- Primula microdonta
- Primula waltonii
- Primula 'Asthore Hybrids'
- Primula 'Devon Cream'
- Primula 'Ravenglass Vermilion'