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Approximately 0.05 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Juglans nigra is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - deciduous tree
globose, ~ 4cm.. dia.....valued timber
alt., 15-23 ovate 11cm. lfts..prominent leaf scars on ORANGE-BROWN twigs
|Height, in meters: 45
Height, in feet: 148.50
|Juglans nigra sales history
Common names for Juglans nigra:
is included in the following
B and T World Seeds flowering plant categories.
|8||: World Classic Tree Seed List|
|23||: New Zealand Natives and Introduced Species|
|29||: Temperate Forest and Woodland Tree and Shrub Seed List|
|30||: Exotic and Other Fruit and Nut Tree and Shrub List|
|60||: Economic Timber Trees|
|see also Cabinet Wood Tree Seeds|
|86||: Natives of U.S.North East|
|87||: Natives of Central U.S.A.|
|168||: Shade and Shelter Tree and Shrub Seed List|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
require that their growing medium remains moist until germination.|
Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet,
the seeds may not get the oxygen they require.
Juglans nigra seeds will usually germinate in 30-180 days, even under good conditions germination may be erratic.
Juglans nigra seeds need to be "overwintered" before they will germinate.
Stratification; cold treatment or vernalization. Seeds of some species need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
(2-3 weeks). Place so that dividing line is at the top.