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Quercus ellipsoidalis

Northern Pin Oak, Hill's Oak

Tree Characteristics

Leaves:

Deciduous

Height:

15 - 23m

Width:

12 - 18m

Growth Rate:

Moderate

Tree Tolerances

Plant Hardiness Zone:

4, 5, 6

Shade Tolerance:

Full Sun

pH Tolerance:

Tolerant of acid to slightly alkaline soil (pH 5.0 to 7.5)

Drought Tolerance:

Very High

Flooding Tolerance:

Low

Salt Spray Tolerance:

Unknown

Soil Salt Tolerance:

Unknown

Planting site and Native Range

Planting Site:

Naturalization, Parks, Highway, Residential, Wide Median

Native to Ontario:

Yes

Native to North America:

Yes

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.

Management Notes

  • Acorns can be a litter issue in some years
  • Not as susceptible to chlorosis as Pin Oak (Quercus palustris)

Cultivars 

Durmarg