Seeds
Populus nigra var. betulifolia
Poplar (downy Black)
Poplar (downy Black)
c
Store moist @ 4 °C
Recalcitrant – seeds that cannot be dried or frozen and are therefore short-lived.
c Maximum advisable storage c. 4 weeks in non-drying conditions @ 0 °C
Raising Trees and Shrubs from Seed (PDF-648K)
Forestry Commission Practice Guide 18.