Scientific Name:
Quercus robur
Pronunciation:
KWURK-us ROO-burr
Common Name:
English oak
Family Name:
Fagaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves mid-green, most obovate, lobes shallow and rounded (never more than half-way to midrib or pointed), leaf blade narrows toward the petiole (sinus more open and not as deep as in Garry oak), most 12-15cm long x 5-8cm wide when mature, pedicels 2-6mm long; catkins with peduncles up to 12cm long; acorns oval, 2-3cm long. Winter ID: branching upright (45 degree angle); twigs greenish; buds chubby, ovoid, 2-6mm long, brown, scales fringed with short hairs; leaf scars with 5 or more vein scars; terminal buds clustered.
Habit:
Irregular, Spreading, Upright
Form:
Round
Texture:
Medium
Mature Height:
> 30m
Mature Spread:
15 - 25m
Growth Rate:
Moderate
Origin:
Europe (Naturalized In BC)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Screening, Shade tree, Specimen plant, Wildlife food, Wind break
Additional Info:
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Alternate
Texture/Venation:
Pinnate venation
Surfaces:
Glabrous
Colour in Fall:
Brown
Shapes:
Elliptic, Obovate
Apices:
Obtuse
Bases:
Auriculate, Truncate
Margins:
Pinnately lobed
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Ovary Position:
Inferior
Colour (petals):
Not showy, Green-yellow
Flower Scent:
None
Flower Time at Peak:
Mar, Apr
Fruit Type:
Edible, Nut
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Edible
Bark Morphology:
Moderately fissured, Single stem trunk
Bark or Stem Colour:
Dark Grey, Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Crescent shaped
Organ Modifications:
Ectomycorrhizae
Propagation:
Seed, Greenwood cuttings, Grafting
Maintenance:
Medium
Pest Susceptibility:
Anthracnose, Aphids, Caterpillar or cutworm, Galls, Heart rot, Leaf miner insect, Mildew, Rodents, Root rot, Rust, Sawflies or horntails or ants, Scale insects, Stem borer insects, Wilt, Wood deformity
Specific Pests:
Sooty mold
Course(s):
- AARB 1012
- HORT 1155
- Level 3 Apprenticeship
Location(s):
- (BHW) Boulevard by Hwy. 10 Westend : 425, 426, 427
- (QRR) Quercus Robur Row planting : 100, 101, 120, 134