Scientific Name:
Philadelphus coronarius
Pronunciation:
fill-uh-DEL-fus kor-oh-NAR-ee-us
Common Name:
mock orange
Family Name:
Hydrangeaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Exfoliating red-brown bark on upright stems; leaves opposite, blades mostly (4-)6-9cm long x 2-5cm wide, broadly lanceolate to broadly ovate-elliptic, to lanceolate in some cultivars, glabrous except for hairs at base of veins on lower surface, margins with 6-11 small widely spaced teeth, twisted petioles 2-9mm long; cymes raceme-like with 5-7(-9) very fragrant florets, 2.5-3cm wide, petals creamy white, 5-25 x 5-22mm, usually only 4; stamens 20-50, filaments distinct, 4-9mm long; anthers 1-1.5 x 0.7-1mm, sepals lobes ovate 4-5mm long, pedicels 3-20mm long. Winter ID: fruit small brown capsules split in 4, persist in winter; leaf scar heart-shaped, non-descript bundle scars, no terminal bud.
Habit:
Arching, Dense, Upright
Form:
Round
Texture:
Medium - coarse
Mature Height:
2 - 3m
Mature Spread:
2 - 3m
Growth Rate:
Fast
Origin:
Central / west Asia, Europe (Naturalized In BC)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Acidic, Well-drained
Water Use:
Moderate
Landscape Uses:
Attract butterflies, Fragrance, Hedge row, Mixed shrub border, Small garden/space, Specimen plant, Woodland margin
Additional Info:
Google. Cultivars shown may include P. 'SMNPBD' (Illuminati Arch® which has many flower petals).
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Heavily veined
Surfaces:
Tomentose
Colour in Fall:
Yellow
Shapes:
Elliptic, Ovate
Apices:
Acuminate
Bases:
Obtuse, Rounded
Margins:
Dentate
Additional Info:
Leaves may be finely toothed.
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Inferior
Colour (petals):
Showy, White
Flower Scent:
Fragrant, Sweet
Flower Time at Peak:
May, Jun
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Additional Info:
Not showy,
Bark Morphology:
Exfoliating, Multi-stem trunk
Bark or Stem Colour:
Red, Dark brown
Leaf Bud Type:
Rounded or globular
Leaf Scar Shape:
Round
Propagation:
Seed, Softwood cuttings, Hardwood cuttings
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Rabbit resistant)
