Details of...
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 pointed), leaf blade narrows toward the petiole (sinus more open and not as deep as in Garry oak), most 12-15 cm long when mature with very short pedicels; catkins with peduncles up to 12 cm long; acorns oval, 2-3 cm long. Winter ID: buds rounded, chubby, brown, terminal buds clustered; branching upright (45 degree angle); twigs greenish.
Course(s): AARB 1012, HORT 1155, Level 3 Apprenticeship

Habit: Irregular, Spreading, Upright
Form: Round
Texture: Medium
Mature Size:
Height:> 30m
Spread:15 - 25m
Growth Rate:Moderate
Origin: Europe
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: Google
English oak
Leaf Morphology:
Form: Lobed, Simple
Arrangement: Alternate
Texture/ Venation: Pinnate venation
Surfaces: Glabrous
Colour in Fall: Brown
Leaf(let) Terms:
Shapes: Elliptic, Obovate
Apices: Obtuse
Bases: Auriculate, Truncate
Margins: Pinnately lobed

Inflorescence Type: Catkin (ament)
Flower Morphology:Monoecious plant
Number of Petals:0
Colour (petals): Not showy, Green-yellow
Flower Scent: None
Flower Time at Peak: Mar, Apr

Fruit Type: 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
Plant Care:
Pest Susceptibility: Anthracnose, Galls, Heart rot, Leaf miner insect, Root rot, Rust, Scale insects, Stem borer insects, Wilt, Rodents, Wood deformity, Aphids or adelgids, Caterpillar or cutworm, Sawfly or horntail, Mildew
Specific Pests: Sooty mold
(BHW) Boulevard by Hwy. 10 Westend : 425, 426, 427
(QRR) Quercus Robur Row planting : 100, 101, 120, 134
(TFL) Turf Field Lab
(TFLN) Turf Field Lab North : cv. Regal Prince
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