Juglans Species, Black Walnut Tree, Eastern Black Walnut
Juglansnigra

Family: Juglandaceae (joo-glan-DAY-see-ee)
Genus: Juglans (JOO-glanz)
Species: nigra (NY-gruh)

Synonym:Juglans pitteursii

Category

Edible Fruits and Nuts
Trees

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun

Foliage

Deciduous
Shiny/Glossy

Foliage Color

Blue-Green
Chartreuse/Yellow

Height

over 40 ft. (12 m)

Spacing

over 40 ft. (12 m)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Grow outdoors year-round in hardiness zone

Danger

Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color

Green

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer

Other details

Unknown

Soil pH requirements

6.1 to 6.5 (mildly acidic)

Patent Information

Non-patented

Propagation Methods

From seed; direct sow outdoors in fall

Seed Collecting

Remove fleshy coating on seeds before storing
Wear gloves to protect hands when handling seeds