Overview
Kerria japonica 'Pleniflora' is a suckering, bushy shrub in the genus Kerria, part of the Rosaceae family, with deciduous foliage. It typically grows around 2 m tall. Kerria japonica 'Pleniflora' grows best in full sun, and tolerates most soils and 6.0-7.5 pH. Its UK hardiness is rated H7. Suggested uses include borders, hedges and woodland gardens. It is native to China and Japan.
About
Kerria japonica, commonly known as Japanese kerria or Japanese rose, is a deciduous, yellow-flowering shrub in the rose family (Rosaceae), native to China and Japan. It is the only species in the genus Kerria.
Wikipedia contributors, CC BY-SA 4.0 — Kerria japonica
Growing conditions
Best soil and position for Kerria
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy, Clay
- Soil pH
- 6.0-7.5
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Full sun, Partial shade
- UK hardiness
- H7
Plant details
Kerria japonica 'Pleniflora' size, habit and characteristics
- Plant type
- Shrub
- Habit
- Suckering, Bushy
- Foliage
- Deciduous
- Height
- 2 m
- Suggested uses
- Borders, Hedges, Woodland gardens
- Native to
- China, Japan
Care notes
Pruning and caring for Kerria japonica 'Pleniflora'
- Cultivation
- Prefers moist, well-drained soil; tolerates partial shade; avoid waterlogged conditions
- Pruning
- Prune after flowering to maintain shape and encourage new growth
- Propagation
- Softwood cuttings in spring, layering
- Pest resistance
- Generally pest-free
- Disease resistance
- Honey fungus
Frequently asked questions
How do I grow Kerria japonica 'Pleniflora'?
Prefers moist, well-drained soil; tolerates partial shade; avoid waterlogged conditions.
Where is the best place to plant Kerria japonica 'Pleniflora'?
Kerria japonica 'Pleniflora' prefers full sun. It suits full sun and partial shade positions.
What soil does Kerria japonica 'Pleniflora' need?
Kerria japonica 'Pleniflora' is adaptable and grows happily in most soil types, including sandy, loamy and clay. It prefers 6.0-7.5 soil. Aim for soil that stays moist but well-drained.
How do I prune Kerria japonica 'Pleniflora'?
Prune after flowering to maintain shape and encourage new growth.
How big does Kerria japonica 'Pleniflora' grow?
Kerria japonica 'Pleniflora' reaches a height of 2 m.
Is Kerria japonica 'Pleniflora' hardy in the UK?
Kerria japonica 'Pleniflora' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Kerria japonica 'Pleniflora'?
Softwood cuttings in spring, layering.
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