Betula nigra

River Birch

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5,95 $

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Hardiness Zone

4a (ref. University of Florida)

Region of Origin

Eastern North America

Mother Tree located in

Burlington, Vermont

Seeds Type

Orthodox, that is to say seeds with the capability to withstand desiccation and freezing temperatures (-20°C) and may therefore be conserved for years, if not decades.

For germination you may...

1. proceed directly to sowing, without subjecting the seeds to any prior treatment.

Scarification : No scarification needed.
Stratification : No stratification needed.
Seedlings : Sow the winged nutlets by broadcasting them on the growth medium. Bury very lightly, less than one millimeter from the soil surface.
Comments : As for seeds of many other birches, it is likely that River Birch seeds would require light to germinate. However, informations that are available in the scientific literature are conflicting. As a preventive measure, it is suggested to sow the seeds at the surface of the growth medium or very shallowly (about 1 mm under the surface).