Field ManualAll plants

European beech
Fagus sylvatica L.
Family: FagaceaeZones: 4a-7b per NC State Plant Toolbox
Pet & Human Safety
People: Toxic to people (low severity)Pets: Toxic to pets
Dogs: RHS lists the plant as 'harmful if eaten' for dogs (RHS plant profile, referencing the HTA guide), and NC State flags it as a problem for dogs: raw or unripe beechnuts in quantity can cause vomiting, diarrhoea, abdominal pain and nausea in humans and dogs. Cats, horses: no statement in the sources.
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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- Hardiness zones
USDA 4a-7b per NC State Plant Toolbox
- Light
Full sun to part shade per NC State and RHS.
- Water needs
moderate
- Mature size
US: 50-60 ft tall, 35-50 ft wide per NC State; UK: RHS: up to about 25 m (80 ft) tall and 15 m (50 ft) spread (growing guide); profile size class higher than 12 m and wider than 8 m, to 30 m, 20-50 years to maturity
- Where it comes from
Europe to the Caucasus; native to Britain and Ireland (RHS); NC State lists native countries including France, Spain, Great Britain and introduced in the United States.
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
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Botanical Anatomy & Characteristics
How the flowers and leaves are built and which pollinators visit, where we have them.
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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
Old botanical drawings from public libraries are in the app, for plants where we have them.
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