Northern pin oak

Quercus ellipsoidalis E.J.Hill

Family: Fagaceae

Pet & Human Safety

People: Not researchedPets: Not on the ASPCA lists as we read them

Hazardous parts

Not yet checked.

Preparation

none: ornamental plant, no eating information given

Hazard type

Not yet checked.

Hazard route

Not yet checked.

How complete this information is

We have not researched the safety of this plant yet.

Toxic to pets

No ASPCA entry found.

ASPCA's oak page is whole-genus and names horses; no dog or cat verdict for this species. No all-clear is given; treat this plant as unchecked for pets.

PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.

Look-alike warning

Could be mistaken for Other plants with a similar name or look. To tell them apart: Match on the scientific name, Quercus ellipsoidalis E.J.Hill, not on the common name.. Do not confuse with pin oak (Quercus palustris), which Illinois Extension names as the more commonly planted species and which is less tolerant of neutral soil.

Poison control

If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.

Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.

Naturalist Lore

Historical Background & Breeding Lore

The history of this plant and its name, and how it was bred, where we have them.

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Care

Hardiness zones: Zones 3-8 for the cultivar 'Bailskies' (UMN).
Water needs: moist, well-drained; tolerates dry sites
Mature size: unit: ft; scope: species, Illinois Extension; UMN gives 60 ft tall and 45 ft spread for the cultivar 'Bailskies'

Soil & Drainage

Pruning & Flush Rhythm

Feeding Schedule

How to prepare the soil, when and what to feed, and how and when to prune where that applies.

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