Field ManualAll plants

Photo: Dick Culbert, via Wikimedia CommonsLicense: CC BY 2.0

Encino colorado

Quercus castanea Nee

Family: Fagaceae

Pet & Human Safety

People: No hazard foundPets: Not on the ASPCA lists as we read them
Hazardous parts
Not yet checked.
Preparation
n/a
Hazard type
Not yet checked.
Hazard route
No hazard route is stated for this plant in the sources cited; absence is not a safety clearance.
How complete this information is
The safety information on this page is partial. Where a source covers a point, it is shown; where none does, the page says so.

Toxic to pets
No ASPCA entry found.

ASPCA lists this plant toxic to horses only; no dog or cat statement. the ASPCA row the verdict; no species-level ASPCA statement was read here. Do not treat as pet-safe.

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

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

Not checked yet

Light

Full sun per the Celaya sheet.

Water needs

The level is a plain-language reading of the source wording cited. Always finger-test two inches down.

Mature size

Flora del Bajio: 5-15 m tall, trunk 40-80 cm across. Celaya sheet: height about 5-15 m, crown about 3-8 m, slow growth (decoded)

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. Municipio de Celaya, Guanajuato - Paleta vegetal (PDF, 2025), sheet for Quercus castanea (PDF pages 211-212)
  2. Flora del Bajio y de regiones adyacentes, fasc. 181 - Fagaceae (Quercus)
  3. Kew POWO/WCVP - accepted-name record
  4. 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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