species
Kerria japonica
Jew's mallow
Scale drawing from this record, beside a 1.7 m figure.
Kerria japonica belongs to the family Rosaceae, also known as Jew's mallow, introduced to the UK. It reaches 2 m tall and 2.5 m across in about 10 years. It grows in part shade or full sun, on loam or clay soil, where the ground is acid, neutral or alkaline and in moist or well drained conditions, and suits average positions. It flowers from April to May. Its RHS hardiness rating is H6 (hardy, very cold winter): −20 to −15°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 2 m tall × 2.5 m across, after about 10 years
- Hardiness
- H6 (RHS)
- Aspect
- Part shade, Full sun
- Soil
- Loam, Clay
- Acidity
- Acid, Neutral, Alkaline
- Moisture
- Moist, Well drained
- Exposure
- Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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