Details of...
Scientific Name: Pieris japonica
Pronunciation: pee-AIR-iss jah-PON-ih-kus
Common Name: lily-of-the-valley shrub , Japanese pieris
Family Name: Ericaceae
Plant Type: Broadleaf evergreen
Key ID Features: Leaves are narrow elliptic, alternate and appear whorled at end of branches, new growth is red; flowers white, urn shaped, many suspended from each peduncle.
Course(s): AARB 1012, HORT 1155, Level 1 Apprenticeship, CLT Training

Habit: Dense
Form: Oval - vertical
Texture: Medium - fine
Mature Size:
Height:1.3 - 2.0m
Spread:1.5 - 2.0m
Growth Rate:Slow
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Filtered shade, Full sun, Part sun/part shade
Soil/ Growing Medium: Acidic, Well-drained
Water Use: Moderate
Landscape Uses: Mixed shrub border, Screening, Small garden/space, Specimen plant, Spring interest
Additional Info: Google. Cultivars shown or on campus may include P. ‘Variegata’, P. 'Forest Flame', P. ‘Mountain Fire’, and P. 'Scarlett O'Hara'.
lily-of-the-valley shrub , Japanese pieris
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate, Spiraled
Texture/ Venation: Leathery, Pinnate venation
Surfaces: Glabrous, Lustrous
Colour in Fall: Green
Leaf(let) Terms:
Shapes: Oblanceolate, Obovate
Apices: Acute
Bases: Cuneate
Margins: Crenate, Serrate

Inflorescence Type: Floriferous, Raceme
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Urceolate
Ovary Position:Superior
Colour (petals): Showy, White, Pink
Flower Scent: Fragrant
Flower Time at Peak: Mar, Apr

Fruit Type: Capsule
Fruit Colour: Red, Brown
Fruiting Time: Sep, Oct

Bark Morphology: Lightly fissured, Multi-stem trunk
Bark or Stem Colour: Grey, Red, Brown

Propagation: Seed, Greenwood cuttings, Softwood cuttings, Tissue culture
Plant Care:
Pest Susceptibility: Fungal leaf spot, Heteroptera - true bugs, Mites, Nematodes, Scale insects, ( Deer resistant )
Specific Pests: lace bug, lygus bug
(GAZ) GAZebo
(GAZE) GAZebo East
(GAZN) GAZebo North : cv. Variegata
(HPZ) Horticulture PlaZa
(ONE) Overpass North side East
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