Home / Guides / Plant Files / Juglandaceae

Black Walnut 'Thomas Black'

Juglansnigra

Upload Image Print Article

Family

Juglandaceae (joo-glan-DAY-see-ee)

Info

Genus

Juglans (JOO-glanz)

Info

Species

nigra (NY-gruh)

Info

Synonym

Sun Exposure

Full Sun

Foliage

Deciduous

Shiny/Glossy

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)

Danger

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color

Green

Bloom Time

Late Spring/Early Summer

Other Details

Gardener's Notes:

Post Comment

positive

neutral

negative

Sort By:

Post Comment

Sort By:

Popular Plants

SEE ALL

Featured

BUG FILES

Green Lynx Spider

(Peucetia viridans)

BIRD FILES

Mountain Bluebird

(Sialia currucoides)

Featured

BUG FILES

Green Lynx Spider

(Peucetia viridans)

BIRD FILES

Mountain Bluebird

(Sialia currucoides)

Black Walnut 'Thomas Black'

Juglansnigra

Featured Videos

Gardener's Notes:

Get to Know Dave's Garden

Follow Dave's Garden