Japanese yellow rose or Kerria Japonic
This is nice yellow flowering shrub that even grows in the
shade. It's an evergreen and very winterhardy.
Kerria Japonica flowers before or at Easter
The kerria will grow on almost every place and
in almost every soil.
Kerria and the reduplication
The Kerria Japonica uses its rhizomes for spreading.
Its easy to cut of a rhizome and use it as a start
for a new shrub.
Kerria or Japanese yellow rose
William Kerr, who introduced the cultivar 'Pleniflora',
has discovered this shrub, and also introduced the kerria
japonica 'pleniflora', the double-flowered cultivar.
This is aso the cultivar that is seen in so many gardens
Kerria Japonica and Forsythia
Both yellow flowering shrubs can be seen at Easter. They are
sometimes confused, but are not related at all. Forsythia
has even more yellow flowers.