Kerria japonica 'Alba'
Japanese Rose
 
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Family: Rose family (Rosaceae)
Native Habitat: China and Japan

 

General Kerria japonica info:
Kerria is a bright and cheerful shrub that's an excellent choice for shady areas. The large, 1¼ to 1¾", five-petaled, rose-like flowers are borne profusely in April and early May. The bright-green foliage is attractive all season and can really brighten up a shady area. However, it shows little or no fall color. The bright-green, twiggy, zigzag stems are really unique and are an attractive bonus, especially in winter.

This is a shrub that is quite effective when in flower. The bright-green leaves are a great foil for the shining flowers. After a long winter, we're always cheered when the Kerrias in our garden begin their show in April.

This variety:
Rather than the usual sunny-yellow flowers found on other varieties, as you may have guessed by the cultivar name, 'Alba''s flowers are white. This is a great variety for the collector who is after something a little unique. It's probably not quite as showy as the yellow flowered varieties, but it's really nor far behind.

Ornamental Characteristics:
Bright-green serrated leaves up to 4" long. Leafs out quite early in spring. Little or no fall color. Large, white, 5-petaled, rose-like flowers in early spring. Very showy when in flower. Bright-green stems that are especially attractive in winter.
Habit & Growth Rate:
Dense, twiggy deciduous shrub. Upright form to about 5 ft. tall and 3 to 4 ft. wide. Will slowly sucker to form larger colonies. Medium to fast grower.
Landscape Uses:
Masses, shrub border, foundation plantings, informal hedge. Deer resistant.
Hardiness: Zone 5 to 9
Culture:
Best in light to full shade. Flowers will bleach out in full sun. Does well in most soils except poorly drained ones. Easy grower.