Primula sieboldii 'Snowflake' (Co)

RHS Plant Profile
Siebold primrose 'Snowflake'
Siebold primrose 'Snowflake' visionspictures.com
Bogs Herbaceous Perennial

A compact, rosette-forming, deciduous woodland perennial with soft, crinkled, dark green foliage and upright stems of deeply cut white flowers from May until June. Prefers moisture-retentive soil in a shady position

Position

Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Clay Loam
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Neutral

Position

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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

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
Accepted
Horticultural Group
Cortusoides section primulas are woodland perennials with long-stalked, rounded, lobed and hairy leaves, and usually rosy-pink flowers in a single umbel

How to Grow

Cultivation

Grow in partial shade, in deep humus-rich, moist, neutral to acid loam soil; tolerates full sun if the soil remains moist at all times. See primula cultivation for further advice

Propagation

Propagate by division in autumn or after flowering

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Garden edging

Pruning

No pruning required. Remove dead or damaged leaves after flowering

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