Connu comme étant toxique - Toxic to mammals if ingested.
Source: Adrian S Pye
Plant Names
Juglans nigra
Black Walnut
Noyer noir
Synonyms
American walnut
Plant Characteristics
Couleur de floraison: Vert
Bloom Period: May - Jun
Hauteur max: 100,0 feet
Max Width: 100,0 feet
Light Condition:
Plus de 6 heures d'ensoleillement par jour
Soil conditions:
Tolerates medium soil condition
Plus de 6 heures d'ensoleillement par jour
Tolerates medium soil condition
Lifespan:
Vivace
des plantes qui reviennent année après année
Gardener Experience:
Ne se propage pas de manière incontrôlable
Self-seeding
Ne se propage pas de manière incontrôlable
Self-seeding
Landscape Uses:
No landscape information available.
Ecological Benefits:
No ecological benefits information available.
Tolerates:
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Special Features and Considerations:
This plant causes skin rashes
This plant causes skin rashes
Seed and plant distribution status
No seeds available for this plant.
Nous acceptions les semences de cette plante
Faits intéressants
Black Walnut is a significantly sized tree, suitable for rural and large suburban lots. With attractive dark bark and a wide crown, its branches start quite high off the ground. Black Walnut produces juglone, a chemical that is toxic to some other plants.
Plant Location
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Canadensis
Thrives in Ecozones
- Plaines à forêts mixtes
Ecological Benefits
Butterflies Supported by Juglans nigra
-
Polygonia faunus
Green Comma - Polygone à Taches Vertes -
Prochoerodes lineola
Large Maple Spanworm -
Satyrium calanus
Banded Hairstreak - Porte-queue du Chêne
Specialized Bees Supported by Juglans nigra
No bee data available for this plant.
Complementary Plants
- No complementary plants found.
Substitute For Non-Native Plants
- Rhamnus cathartica (Common Buckthorn)
- Rhamnus frangula (Glossy Buckthorn)
- Acer japonicum (Japanese Maple)
- Acer platanoides (Norway Maple)
- Juglans nigra (Black Walnut Cultivar)
Sowing Information
Download Seed Envelope Labels (PDF)
- Sowing depth: Semer à un pouce de creux
- Sow anytime
- Stratification duration: 0 days
- Self-seeding
- Notes: Soak for 24h.
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator:
- Pods are released from plant
- Harvesting:
- La noix a été extraite de l'arbre
- Seed viability test:
- Mettre les graines dans un contenant rempli d'eau
- Si les graines vont au fond, faites don de ces graines
- Si elles flottent, ne les donnez pas
- Packaging measure: Six (6) seeds (eyeball)
- Seed storage:
- Sécher à l'air dans un sac en papier ou contenant ouvert, pour quelques jours jusqu'à sec
- Secouer de temps à autre pour prévenir la moisissure
- Cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
- No harvesting video available at this time.
Toxicity Notes
Toxic to mammals if ingested.