Japanese Kerria, Japanese Rose, Batchelor’s Buttons,
Sailor’s Button, Jew's Mallow
It is at its best in April and May when the whole bush is covered
in flowers,.but it often flowers throughout the year.
The naturalised escape is scattered throughout the country, but
is more common in the South.
As a garden shrub, it is common throughout the country.
For a map see the National Biodiversity Network Gateway
It is a neophyte which has been cultivated in the UK since
the early 1800s, but not recognised as growing in the wild
before the mid 1960s.
It is a widespread ornamental shrub in gardens, parks and
It has become naturalised where garden plants have bee
n discarded and where old gardens have returned to the wild.
It is found in the wild in woods, hedges, rubbish tips and
Kerria is a deciduous shrub, which grows to about 2m and
spreads up to 3m.
It reproduces by suckering and is frost hardy.
The flowers are bright yellow pompoms, up to 4cm across.
Flowers appear before leaves