| Scientific Name: | Quercus palustris |
| Common Name: | pin oak |
| Family Name: | Fagaceae |
| Origin: | U.S. - central, U.S. - northeast |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 15 - 22m x 10 - 15m (height x width) |
| Habit: | Horizontal, Pendulous, Upright |
| Form: | Pyramidal - widely |
| Texture: | Medium |
| Landscape Uses: | Shade tree, Specimen plant, Street (boulevard tree) |
| Exposure: | Full sun |
| Soil or Media: | Acidic, Bog, Well-drained |
| Leaves: | Simple, Lobed, Alternate, Soft flexible, Pinnate venation, Glabrous, Lustrous, Elliptic, Obovate, Ovate, Pinnately lobed |
| Flowers: | Catkin (ament), Green-yellow, Apr-May |
| Fruit: | Nut, Brown, Sep-Oct |
| 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. | |