Eastern black walnut
Juglans nigra L.
- light
- Sun–part
- water
- Medium
- tall
- 19 m
- wide
- 18 m
Juglandaceae
Also called Black walnut, Black Walnut
Formerly Juglans pitteursii, Wallia nigra
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- TreeKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- SE. Canada to C. & E. U.S.A.Kew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension, one source
- Height
- 15 m to 23 mRead from NC State Extension, one source
- Spread
- 15 m to 21 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Flowers
- Yellow, greenRead from NC State Extension, one source
- Coldest it survives
- -34.4 °C (USDA zone 4a)Read from NC State Extension, one source
Not known yet: heat, hottest it survives.
In other languages (12)
- Spanish
- Nogal americano
- root
- JUGNIG, Dzo:nyó’gwa:k, ᎬᏂᎨ ᏎᏘ
- Portuguese
- Nogueira-preta, Nogueira-negra
- Italian
- Noce nero
- French
- Noyer noir, Noyer d'Amérique
- Czech
- ořešák černý
- Dutch
- Zwarte walnoot
- Estonian
- must pähklipuu
- Russian
- Орех чёрный
- Polish
- Orzech czarny
- Swedish
- svart valnöt
- Lithuanian
- Juodasis riešutmedis
Where this comes from
- iNaturalist, read 2026-10-25, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-28, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- iNaturalist, read 2026-10-25, CC BY-SA
- iNaturalist, read 2026-10-25, CC BY-SA
- iNaturalist, read 2026-10-25, CC BY-SA
- 3D model: Juglans nigra (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.