Details of...
Scientific Name: Kerria japonica
Pronunciation: KAIR-ee-uh juh-PON-ih-kuh
Common Name: kerria
Family Name: Rosaceae
Plant Type: Shrub - deciduous
Key ID Features: Twiggy, arching, deciduous shrub; leaves are alternate, double serrate, with deep veins; flowers bright yellow in early spring. Winter ID: stems slender, green (yellow-green in winter) and contrast with dark buds.
Course(s): Level 3 Apprenticeship


Habit: Spreading
Form: Round, Vase
Texture: Medium
Mature Size:
Height:2 - 3m
Spread:2 - 3m
Growth Rate:Fast
Origin: South Asia / India
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Filtered shade, Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Water Use: High, Moderate
Landscape Uses: Hedge row, Mixed shrub border, Woodland margin
Additional Info: Google. Most images are of double flowered K. ‘Pleniflora’.
kerria
 
 
Leaf Morphology:
Form: Simple
Arrangement: Alternate
Texture/ Venation: Pinnate venation
Surfaces:
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Lanceolate
Apices: Acuminate
Bases: Cordate
Margins: Double serrate, Serrulate

 
 
Inflorescence Type: Flowers solitary
Flower Morphology:
Ovary Position:Inferior
Colour (petals): Showy, Yellow
Flower Scent: Sweet
Flower Time at Peak: Apr, May

 
Fruit Type: Achene, Follicle
Fruit Colour: Dark-red, Brown
Fruiting Time: Jun, Jul
Additional Info: Not showy

 
Bark Morphology: Smooth
Bark or Stem Colour: Green
  


Propagation: Greenwood cuttings, Division - above ground parts
Plant Care:
Maintenance:Medium
Pest Susceptibility: Pest resistant, Disease resistant, Deer resistant, Blight or needle cast, Canker or sap rot
 
Location(s):
(CGW) Community Garden West
(WDH) Wark-Dumais House : 179
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