Field ManualAll plants

Photo: Rob Duval, via Wikimedia CommonsLicense: CC BY-SA 3.0

American hornbeam

Carpinus caroliniana Walter

Family: BetulaceaeZones: 3a to 9b per NC State; USDA 3A to 9A per UF/IFAS

Pet & Human Safety

People: Not researchedPets: Not on the ASPCA lists as we read them
Hazardous parts
Not yet checked.
Preparation
Not yet checked.
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.

The NC State page had no poison lines for this tree.

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

USDA 3a to 9b per NC State; USDA 3A to 9A per UF/IFAS

Water needs

moderate

Mature size

Height 20 to 30 ft, width 20 to 35 ft per NC State. UF/IFAS: 20 to 30 ft tall and 20 to 30 ft wide, growing slowly.

Where it comes from

Eastern Canada to the southeastern U.S. (NC State); most of the eastern U.S., southeast Quebec and southwest Ontario (UF/IFAS).

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 Plant Toolbox, Carpinus caroliniana
  2. UF/IFAS EDIS ST120, Carpinus caroliniana: American Hornbeam
  3. ASPCA Animal Poison Control - 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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