Overview

Kerria japonica 'Pleniflora' is a 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 4.0Kerria 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
Exposure
Full sun, Partial shade
UK hardiness
H7

Plant details

Kerria japonica 'Pleniflora' size, habit and characteristics

Plant type
Shrub
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

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.