Plant DetailShow Menu

Kerria Kerria japonica

Other Common Name(s):

Phonetic Spelling
KER-ee-a juh-PON-ih-kuh
Description

Japanese Kerria is a leggy, open, broad-rounded deciduous shrub that grows up to 7'. This plant has upright, arching, slender stems that form a broad, dense, twiggy mass. Japanese Kerria is meant for the shade garden - flowers fade in full sun. This plant requires loamy, well-drained soil of medium fertilization. Avoid high fertilization, because it becomes weedy. This plant requires heavy pruning as necessary. This plant has pest and disease problems.

Quick ID Hints:

  • Deciduous shrub with cane-like growth
  • Leaves are plicate. Stems are green, zig-zag, and shiny.
  • Solitary, terminal bright yellow flowers that are 1" - 11⁄2"
  • Flowers are 5-petaled or double and spherical

 

See this plant in the following landscape:
Cultivars / Varieties:
  • K. japonica 'Pleniflora'
    Has double flowers that are nearly ball-shaped and 1"-2" in diameter.
  • 'Plena'
K. japonica 'Pleniflora', 'Plena'
Tags:
#deciduous#yellow#partial shade#green#yellow flowers#deciduous shrub#shade garden#playground#cpp#well-drained soil#deer resistant#children's garden#pruning#pollinator plant#fantz#loamy soils tolerant
 
Cultivars / Varieties:
  • K. japonica 'Pleniflora'
    Has double flowers that are nearly ball-shaped and 1"-2" in diameter.
  • 'Plena'
K. japonica 'Pleniflora', 'Plena'
Tags:
#deciduous#yellow#partial shade#green#yellow flowers#deciduous shrub#shade garden#playground#cpp#well-drained soil#deer resistant#children's garden#pruning#pollinator plant#fantz#loamy soils tolerant
  • Attributes:
    Genus:
    Kerria
    Species:
    japonica
    Family:
    Rosaceae
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    Central & Southern China to Southern Korea and Japan
    Wildlife Value:
    Flowers attract hummingbirds and butterflies.
    Play Value:
    Attractive Flowers
    Attracts Pollinators
    Particularly Resistant To (Insects/Diseases/Other Problems):
    Deer resistant, drought tolerant
    Dimensions:
    Height: 3 ft. 0 in. - 7 ft. 0 in.
    Width: 6 ft. 0 in. - 9 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Shrub
    Woody Plant Leaf Characteristics:
    Deciduous
    Habit/Form:
    Arching
    Dense
    Erect
    Multi-stemmed
    Growth Rate:
    Medium
    Maintenance:
    Medium
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Dappled Sunlight (Shade through upper canopy all day)
    Deep shade (Less than 2 hours to no direct sunlight)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Loam (Silt)
    Soil Drainage:
    Good Drainage
    Occasionally Dry
    Available Space To Plant:
    3 feet-6 feet
    6-feet-12 feet
    USDA Plant Hardiness Zone:
    4a, 4b, 5b, 5a, 6b, 6a, 7b, 7a, 8a, 8b, 9b, 9a
  • Fruit:
    Fruit Type:
    Achene
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Spring
    Flower Shape:
    Saucer
    Flower Petals:
    4-5 petals/rays
    Flower Size:
    1-3 inches
    Flower Description:
    Flowers are bright yellow in spring and are at the terminal end of short leafy stems of previous year's growth. There are usually 5 petals, but there is a double cultivar. Flowers are 2" in size.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Deciduous
    Leaf Color:
    Green
    Leaf Feel:
    Smooth
    Deciduous Leaf Fall Color:
    Gold/Yellow
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Lanceolate
    Ovate
    Leaf Margin:
    Doubly Serrate
    Hairs Present:
    Yes
    Leaf Length:
    1-3 inches
    Leaf Width:
    1-3 inches
    Leaf Description:
    Leaves are alternate, simple, ovate-lanceolate, acuminate, cuneate, double serrate, and plicate. They are bright green and glabrous above and are paler and slightly pubescent below on the veins. In fall, some leaves turn yellow. They are 1 1/2"-4" long and a littler over 1" wide.
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
    Stem Form:
    Zig Zags
    Stem Surface:
    Smooth (glabrous)
    Stem Description:
    Stems are slender, green, zig-zag, glabrous, glossy, supple, cane-like, suckering, and are branching in second season of growth.
  • Landscape:
    Landscape Location:
    Recreational Play Area
    Landscape Theme:
    Butterfly Garden
    Children's Garden
    Drought Tolerant Garden
    Design Feature:
    Accent
    Specimen
    Attracts:
    Butterflies
    Hummingbirds
    Resistance To Challenges:
    Deer
    Drought
    Problems:
    Frequent Disease Problems
    Frequent Insect Problems
    Weedy