Alphabetical Plant Listing

Primula japonica 'Postford White' (Japanese Primrose)

Japanese Primrose 'Postford White', Candelabra Primrose 'Postford White', Candelabra Primula 'Postford White', Japanese Cowslip 'Postford White'


One of the earliest candelabra primroses to bloom, award-winning Primula japonica 'Postford White' (Japanese Primrose) is a robust, deciduous perennial with attractive whorls of glistening white flowers adorned with a yellow eye. Each stout stem can boast up to six whorls spaced at intervals. They arise from a basal rosette of lettuce-like, pale green crinkly leaves. Native to Japan, this perennial thrives in damp, shady environments where it brings its eye-catching blossoms in late spring to early summer. Plant in groups or drifts with ferns, spring bulbs or ornamental grasses in damp open woodlands, next to streams and ponds.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • Easily grows up to 12-24 in. tall and wide (30-60 cm). This plant quickly establishes to a good size by self-sowing and looks particularly beautiful when grown in mass. While winter-deciduous, it will return with vigor year after year.
  • A part shade lover, it is best grown in humus-rich, consistently moist, neutral to acid soils. Mulch this plant to help maintain the soil moisture and keep the roots cool. Wet soil tolerated.
  • This plant is very versatile and can be used in partially shaded beds and borders, in cottage gardens, bog gardens, or along streams, ponds.
  • Cut back after flowering.
  • Attracts butterflies, deer resistant. Watch out for pests such as aphids, vine weevil, slugs and glasshouse red spider mite.
  • Propagate by division in early spring.

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Requirements

Hardiness 4 – 8
Heat Zones 1 – 8
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 15, 16, 17, A3
Plant Type Perennials
Plant Family Primula - Primroses
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Average, High
Maintenance Low
Soil Type Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Plant of Merit, Showy
Tolerance Deer, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Bog Gardens, Ponds and Streams
Garden Styles Informal and Cottage

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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 8
Heat Zones 1 – 8
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 15, 16, 17, A3
Plant Type Perennials
Plant Family Primula - Primroses
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Average, High
Maintenance Low
Soil Type Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Plant of Merit, Showy
Tolerance Deer, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Bog Gardens, Ponds and Streams
Garden Styles Informal and Cottage

Great Plant Combination Ideas with Primula - Primroses

Guides with Primula - Primroses

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