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, Nov
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 or adelgids, 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