Japanese Primrose
Will it grow where I live?
Japanese Primrose is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
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Profile
- Family
- Primulaceae
- Habit
- annual
- Height
- 0.6 m
- Spread
- 0.5 m
- Growth
- medium
- Lifespan
- 10 years
- First yield
- after 2 years
- Hardiness
- zone 4–9
- Shade tolerance
- full shade
- Soil
- Silt, Clay
- Soil moisture
- very wet – near water
- pH
- 5 – 7
Growing
Primula japonica prefers a shady to partially shaded location with moist, humus-rich, neutral to slightly acidic soil. The plant requires consistently moist to wet conditions and does not tolerate dryness. Regular watering is important, especially during dry periods. Propagation is done by division in early spring or by sowing. Old flower stalks should be removed to direct energy towards growth.
⚠️ Hazards
Toxicity: toxic
Frequently asked questions
Japanese Primrose: how big does it get?
Japanese Primrose (Primula japonica) grows as a annual and reaches roughly 0.6 m in height when mature, with a spread of about 0.5 m. Growth is medium.
Japanese Primrose: what site does it need?
Japanese Primrose tolerates full shade. Suitable soils are Silt, Clay. Soil moisture should be in the range very wet – near water. The pH may lie between 5 and 7.
Japanese Primrose: is it hardy?
Japanese Primrose is listed as hardy in zone 4–9 and survives normal winters outdoors there.
Japanese Primrose: will it grow in Central Europe?
Japanese Primrose is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
Japanese Primrose: is it poisonous?
Japanese Primrose is classified as toxic. With wild plants, never rely on a database alone — only on a confident identification.
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