Overview
Primula 'The Grail' (Pr/Prim) is a clump-forming herbaceous perennial in the genus Primula, part of the Primulaceae family, with semi-evergreen foliage. Primula 'The Grail' (Pr/Prim) 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 'The Grail' is a clump-forming cultivar of the Primula genus, which comprises perennial plants with a basal rosette of simple leaves and salver-shaped or bell-shaped flowers on upright stems. This semi-evergreen plant thrives in full sun or partial shade, preferring sheltered, south-, east-, or west-facing aspects. It grows well in a variety of soil types including chalk, clay, loam, and sand, with a moist but well-drained condition and a pH ranging from acid to alkaline. Hardy across UK zones H4 to H7, it is suitable for borders, containers, woodland and rock gardens, bedding, wildflower meadows, wildlife and coastal gardens, and cottage gardens, offering interest in spring and summer.
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 'The Grail' (Pr/Prim) 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 'The Grail' (Pr/Prim)
- 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 'The Grail' (Pr/Prim)?
Primula 'The Grail' (Pr/Prim) prefers full sun and partial shade. It suits sheltered positions.
What soil does Primula 'The Grail' (Pr/Prim) need?
Primula 'The Grail' (Pr/Prim) 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 'The Grail' (Pr/Prim) hardy in the UK?
Primula 'The Grail' (Pr/Prim) 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 'The Grail' (Pr/Prim)?
Seed, Root basal cuttings.
More in the Primula genus
- Primula 'Orange With Yellow'

- Primula auricula 'Erica' (Au/A)

- Primula auricula 'Forest Pretty Woman' (Au/d)

- Primula auricula 'Forest Red Mist' (Au/d)

- Primula auricula 'Forest Scarlet Woman' (Au/d)

- Primula auricula 'Geldersome Green' (Au/S)

- Primula auricula 'Geordie' (Au/A)

- Primula auricula 'Gloire de Dijon' (Au/S)
