Primula japonica 'Carminea' (Pf)

RHS Plant Profile
Japanese primrose 'Carminea'
Japanese primrose 'Carminea' visionspictures.com
Herbaceous Perennial

A rosette-forming, evergreen perennial to around 60cm, with spoon-shaped pale green foliage and sturdy, upright stems of bright cerise pink to crimson red flowers appearing from May to June. Performs best in a cool, shady area of the garden

Position

Partial shade

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Primulaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
Primula are herbaceous or semi-evergreen perennials, forming a basal rosette of simple leaves, with salver-shaped or bell-shaped flowers which may be solitary or carried in an umbel or in whorls on an erect stem
Name Status
Unresolved
Horticultural Group
Proliferae section primulas are moisture-loving herbaceous or semi-evergreen perennials forming a rosette of basal leaves, with erect stems each carrying several whorls of salver-shaped flowers

How to Grow

Cultivation

Grow in partial shade in a cool and shady area of the garden or a cool greenhouse, in moderately fertile, moist but well-drained, humus-rich-soil

Propagation

Propagate by division in autumn or after flowering

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to aphids, vine weevil, slugs, leaf and bud eelworms, leaf-mining flies and glasshouse red spider mite

Diseases

May be susceptible to primula leaf spot, primula brown core and grey moulds