Scientific Name:
Ceanothus thyrsiflorus
'Victoria'
Pronunciation:
see-uh-NOE-thus thur-sih-FLORE-us
Common Name:
Victoria lilac, summer lilac, California lilac
Family Name:
Rhamnaceae
Plant Type:
Broadleaf evergreen
Key ID Features:
Habit bushy, upright, arching, green, ribbed stems; leaves alternate, most elliptic-ovate, 2-4cm x 1.5-2.5cm wide, dark-green, entire to slighly crenate, prominent veins, petiole 3-10mm long; florets ~5mm wide, pale-dark blue, in panicles 3-7cm long x 2-3cm wide; capsules 3–4 mm wide.
Habit:
Arching, Dense, Spreading, Twiggy, Upright
Form:
Round
Texture:
Medium - fine
Mature Height:
3 - 5m
Mature Spread:
4 - 5m
Growth Rate:
Moderate
Origin:
Garden origin, U.S. - southwest
Hardiness Rating:
Zone 8a: (-12 to -9.5 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Low, Summer dry
Landscape Uses:
Accent plant, Erosion control, Screening, Summer interest, Tall background
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Leathery, Heavily veined, Pinnate venation
Surfaces:
Glabrous, Lustrous
Colour in Summer:
Dark-green
Colour in Fall:
Dark-green
Shapes:
Elliptic, Ovate
Apices:
Rounded
Bases:
Obtuse
Margins:
Crenate, Entire
Inflorescence Type:
Panicle, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Urceolate
Ovary Position:
Superior
Colour (petals):
Showy, Blue
Flower Scent:
Fragrant
Flower Time at Peak:
May, Jun
Fruit Type:
Capsule
Fruit Colour:
Dark-red, Black
Fruiting Time:
Jul, Aug
Additional Info:
Fruit insignificant, fruit stalks (pedicels) may persist through winter
Bark Morphology:
Smooth, Lightly fissured
Bark or Stem Colour:
Green, Brown
Organ Modifications:
Root nodules (N-fixing), Frankia
Propagation:
Seed
Maintenance:
Low
Pest Susceptibility:
Root rot (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
