AvailabilityUnavailable for the moment
Hardiness Zone3a (ref. Hydro-Québec)
Region of OriginEastern North America and Central America
Mother Tree located inSainte-Catherine-de-Hatley, Québec
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 SEVEN MONTHS for seed treatment;
2. subject them to a scarification AND a warm stratification, THEN a cold stratification, before sowing (follow the steps below in order).
Scarification : Soak the involucres or the the nutlets in water at room temperature for 24 hours.
Stratification (warm and cold) : Place the involucres or the the nutlets in a bag (Ziploc Slider type) containing slightly premoistened peat moss. Seeds should be surrounded by the latter. Close the bag and place it at room temperature for about three months, then in cool storage (between 1°C and 5°C) for approximately four month.
Seedlings : Remove the content from the bag and sow the involucres or the the nutlets by broadcasting the mix on the growth medium. Bury lightly, less than five millimeters from the soil surface.