Field ManualAll plants

Photo: Agnieszka Kwiecień, Nova, via Wikimedia CommonsLicense: CC BY-SA 4.0

Chinquapin oak

Quercus muehlenbergii Engelm.

Family: Fagaceae

Pet & Human Safety

People: Toxic to people (low severity)Pets: Not on the ASPCA lists as we read them
Hazardous parts
fruits (raw acorns), young leaves
Preparation
none: ornamental plant, no eating information given
Hazard type
NC State: low severity poison characteristics
Hazard route
ingestion
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. NC State lists low-severity poison characteristics for fruits and leaves. 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 muehlenbergii Engelm., not on the common name.. Same species. ASPCA's oak entry is whole-genus.

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

USDA 3a to 7b (NC State). Not listed for zones 8 and above.

Water needs

good drainage, occasionally dry; drought-tolerant

Mature size

unit: ft; scope: species, NC State

Where it comes from

NC State: southern Ontario to central and eastern United States and northeastern Mexico; 'an entire half of the continental US from New Mexico, Nebraska and Minnesota eastwards'.

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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Anatomy & Guilds

Botanical Anatomy & Characteristics

How the flowers and leaves are built and which pollinators visit, where we have them.

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Field Doctor

Field Doctor

What can go wrong with this plant and what to do about it, where we have them.

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Vintage Plates

Vintage Plates

Old botanical drawings from public libraries are in the app, for plants where we have them.

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Sources

  1. NC State Extension Gardener Plant Toolbox, Quercus muehlenbergii
  2. Texas A&M AgriLife, Outstanding Plants for Texas (plant selection list)
  3. Ontario Tree Atlas, South Central region list
  4. Kew Plants of the World Online (WCVP): accepted name, authors, family, synonyms, native areas
  5. ASPCA Toxic and Non-Toxic Plants list

How we choose sources

Wishlists live in the app

Wishlists are part of the Plot & Petal app, which is coming soon. Nothing is added to a wishlist from this page.

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