Kerria japonica 'Honshu'
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:
'Honshu' is a selection made by Camellia Forest Nursery in NC for its extra large flowers. The amazingly- bright, sunny-yellow flowers may measure up to 2 in. across and the petals are so large that they slightly overlap. It's also an extra heavy bloomer, literally covered in flowers beginning in late April and well into May. The photo to the right is typical of its flower power. If this shrub won't get you thinking spring, I don't know what could.

Ornamental Characteristics:
Bright-green serrated leaves up to 4" long. Leafs out quite early in spring. Little or no fall color. Large, sunny-yellow, 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 growing 3 to 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.