Hardiness Zone5a (ref. University of Florida)
Region of OriginSouth Central North America
Mother Tree located inStillwater, Oklahoma
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 must...
1. allow ONE MONTH for seed treatment;
2. subject them to a scarification AND a cold stratification before sowing (follow the steps below in order).
Scarification : Soak the pyrenes in water at room temperature for 24 hours.
Stratification (cold) : Place the pyrenes in a bag (Ziploc Slider type) containing slightly premoistened peat moss. Seeds should be surrounded by the latter. Close the bag and place it in cool storage (between 1°C and 5°C) for approximately one month.
Seedlings : Remove the content from the bag and sow the pyrenes one by one. Bury lightly, less than five millimeters from the soil surface.