Basisdaten
description:
The black walnut comes from America, where it is found from the east coast to the middle of the country. The tree also grows quickly and is very high at over 30 m.
Tree profile
name botanical:
Juglans nigra
other name:
Eastern Black Walnut
family:
walnut family (Juglandaceae)
species:
deciduous tree
height:
up to 30 m (99 ft) (rarely up to 50 m (164 ft))
leaf:
The leaves are pinnate and will grow up to 60 cm (23 in). The single leaflets are ovate, the leaf margin is serrated and the leaf arrangement is alternate. The leaves fall off in autumn relatively early.
leaf shape:
pinnated
leaf margin:
serrated
leaf position:
alternate
fall foliage:
yellow
flowering:
June
blossom color:
greenish
blossom description:
The male flowers hang in long kittens. The female flowers stand upright and are inconspicuous.
gender distribution:
monoecious / unisexual
fruit:
Nut: The young nuts taste best but are hard to get out of the shell.
branches:
The twigs are reddish brown to brown and the buds are round to slightly oval
bark:
The bark is furrowed brown and strong.
root:
heart-rooting / taprooted, the roots protrude above the eaves area
location:
sun
soil:
drained, deep, nutrient-rich soils
ph value:
slightly acidic to alkaline
pruning:
The black walnut does not tolerate a pruning during sprouting.