Alphabetical Plant Listing

Primula japonica (Japanese Primrose)

Japanese Primrose, Candelabra Primrose, Candelabra Primula, Japanese Cowslip


Robust and vigorous, Primula japonica, commonly known as Japanese Primrose, is a deciduous perennial with attractive whorls of flowers in shades of white, soft to deep pink, purple or red. They are spaced at intervals along upright stems and rise above basal rosettes of lettuce-like, bright green leaves. Native to Japan, this perennial thrives in damp, shady environments where it brings its brightly colored blossoms in late spring to early summer. Plant in groups or drifts with hostas, ferns and iris in damp open woodlands, next to streams and ponds.

  • Easily grows up to 12-24 in. tall (30-60 cm) and spreads up to 12 in. (30 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. This plant may be grown in full sun in cool summer areas, provided the soil remains moist. 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, containers 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 seed. Sow on the surface of the compost as soon as ripe in late winter or early spring. Can be propagated by division between autumn and early spring. Take root cuttings when dormant in winter.

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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 Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 10" – 1' (25cm – 30cm)
Spacing 10" – 18" (25cm – 45cm)
Water Needs Average
Maintenance Low
Soil Type Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Deer, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles Informal and Cottage

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Botanik Foto

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 Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 10" – 1' (25cm – 30cm)
Spacing 10" – 18" (25cm – 45cm)
Water Needs Average
Maintenance Low
Soil Type Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Deer, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles Informal and Cottage

Great Plant Combination Ideas with Primula - Primroses

Guides with Primula - Primroses

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