Scientific Name:
Quercus palustris
Pronunciation:
KWURK-us puh-LUSS-triss
Common Name:
pin oak
Family Name:
Fagaceae
Plant Type:
Flowering cut plant, Tree - deciduous
Key ID Features:
Leaves alternate, ovate to obovate, most blades 12-17cm long x 8-15cm wide, glossy, medium green, 5-9 lobes with bristle tips, sinuses U-shaped with some extending nearly to midrib; underside pubescence where major veins join midrib. Winter ID: branching pattern is distinct - upper branches point up, middle branches are strongly horizontal, bottom branches point down; many short side twigs or pin-like spurs (hence common name?); buds ovoid, light brown, most 3-4mm long; multiple terminal buds; leaf scars raised, mostly half-round with scattered bundle scars.
Habit:
Horizontal, Pendulous, Upright
Form:
Pyramidal - widely
Texture:
Medium
Mature Height:
15 - 22m
Mature Spread:
10 - 15m
Growth Rate:
Fast
Origin:
U.S. - central, U.S. - northeast
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun
Soil/Growing Medium:
Acidic, Bog, Well-drained
Water Use:
High, Moderate
Landscape Uses:
Shade tree, Specimen plant, Street (boulevard tree)
Additional Info:
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous, Lustrous
Colour in Fall:
Red, Bronze
Shapes:
Elliptic, Obovate, Ovate
Apices:
Acuminate
Bases:
Cuneate, Truncate
Margins:
Pinnately lobed
Additional Info:
Spectacular fall colour
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Ovary Position:
Inferior
Colour (petals):
Not showy, Green-yellow
Flower Time at Peak:
May
Fruit Type:
Nut
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Not showy, Fruit does not fully develops before winter in Langley, BC.
Bark Morphology:
Smooth, Lightly fissured, Single stem trunk
Bark or Stem Colour:
Grey, Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Half-round
Organ Modifications:
Ectomycorrhizae
Propagation:
Greenwood cuttings, Grafting
Maintenance:
Low
Pest Susceptibility:
Anthracnose, Caterpillar or cutworm, Galls, Heart rot, Leaf miner insect, Root rot, Rust, Scale insects, Wilt (Drought tolerant)
Course(s):
- AARB 1012
- HORT 1155
- Level 2 Apprenticeship
- CLT Training
Location(s):
- (BHW) Boulevard by Hwy. 10 Westend
- (BKW) Boulevard Kwantlen Way : 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 405, 406, 407, 408, 409, 411, 418, 419, 420, 421, 422, 423, 424
- (BUG) BUG garden : 169