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Herbaceous Perennial

Primula sikkimensis (Si)

Sikkim cowslip

A herbaceous perennial forming a rosette of bright green, oblong leaves, with erect stems bearing an umbel of nodding, fragrant, funnel-shaped yellow flowers in early summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full shade
  • Full sun
  • Partial shade
Aspect

North–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Primulaceae
Native to GB / Ireland
No
Foliage
Deciduous
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

Correct

Horticultural Group
Sikkimensis section primulas are herbaceous perennials with long-stalked, oblong or oval leaves in a basal rosette, and erect stems bearing terminal umbels of nodding, fragrant, funnel-shaped flowers in summer
Plant range
Himalayas to China

How to grow

Cultivation

Grow in deep, humus-rich, moist, neutral to acid loam or naturally peaty soil. Best in partial shade but tolerates shade; a sunny site must have a soil that remains moist at all times

Propagation

Propagate by division in autumn or early spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Deadhead after flowering

Pests

May be susceptible to aphids, vine weevils and slugs

Diseases

Generally disease-free

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