Quercus ellipsoidalis, northern pin oak, also known as Hill's oak, grows best in dry to medium, well-drained soils with average acidity and full sun. While it prefers consistent moisture, it can tolerate dry soils and is adaptable to a range of conditions, including alkaline soils, which typically cause chlorosis in other oaks. It is native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley.� This tree produces acorns as a food source for wildlife, including deer, bears, and birds. Pruning in the dormant season helps prevent attracting beetles that carry oak wilt. Despite occasional galls and insect damage, this oak is a durable, low-maintenance tree for a variety of landscapes. Quercus ellipsoidalis drops acorns and a moderate number of leaves, with the heaviest shedding in the fall. It is considered moderately messy due to the acorn litter and seasonal leaf drop that require regular cleanup.
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Planting Site and Native Range
Planting Site
Naturalization, Parks, Highway, Residential, Wide Median
Management Notes
Management Notes
Acorns can be a litter issue in some years Not as susceptible to chlorosis as Pin Oak (Quercus palustris)
Tree Characteristics
Growth Rate
Moderately (30cm- 60cm per year)
Width
12 - 18m
Height
15 - 23m
Soil Quantity
>30 m
Leaves
Deciduous
Insects and Diseases
Insects and Diseases
No serious or common issues in the urban environment. Wide range of pests in general for oak (Quercus) species that mainly affect its appearance slightly in minor cases. Two lined chestnut borer has been observed to attack and kill stressed Oak trees in Ontario.
Tree Tolerances
Soil Salt Tolerance
Unknown
Salt Spray Tolerance
Unknown
Flooding Tolerance
Low
Drought Tolerance
Very High
pH Tolerance
Tolerant of acid to slightly alkaline soil (pH 5.0 to 7.5)