The Pin Oaks are some of the most majestic tree specimens on campus. Often considered overused in the landscape, this tree is still a good selection for wet planting areas prone to occasional flooding. Roots can grow shallow especially in wet areas causing grass to thin out. Alkaline soils can cause chlorosis, a need for iron that turns the leaves a sickly yellow. These problems are best avoided by selecting an area with moist acidic, iron-rich soil to plant the tree.
Bark: The bark is grayish brown and with age becomes lightly
furrowed.
Foliage: alternate,
simple, elliptical leaves are lobed 5-7 times and are 3 - 6 inch wide and long. In the fall, the tree is a brilliant red to bronze color. Some brown leaves do not drop off during winter months.
Flowers: The flower is brown and not considered showy.
Fruit: The 1/2 inch tall and 2/3 - 3/4 inch wide acorns are attractive to squirrels, and mature the second year. Acorns are considered a walking-hazard along public walkways.
More Information
| Tree ID Number: | 279 |
| Scientific Name: | Quercus palustris |
| Mature Height: | 60 - 70ft. |
| Canopy Spread (Diameter): | 25 - 40ft. |
| Branching Shape: | Symmetrical-pyramidal crown. or outline. Lower branches point downward, mid and upper branches point upwards. |
| Growth Rate: | Moderate - fast. |
| Wood Strength: | Hardwood. |
| Cold Hardiness Zone: | 4-8 |
| Soil Moisture Requirements: | Wet, Moist |
| Light Requirements: | Sun |
| Common Pests: | Galls and iron chlorosis. |
| Comments: | The Pin oak is one of the most popular landscaping trees in the eastern United States. Can have problems when used in heavy alkaline soils. |
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