Uli,
My understanding is that Calochortus seed have a long viability period. Many of the California taxa from the chaparral, such as the Calochortus you listed, will sit many years in the seed bank waiting for the right conditions to germinate. I did exactly the same as you, sowed a small portion of seed from that offering and stored the rest in the refrigerator. I did the same this year and still have a few left for next.
John WickhamLos Angeles
On Friday, December 1, 2017 2:46 AM, Johannes Ulrich Urban <johannes-ulrich-urban@t-online.de> wrote:
Dear All,
Having sown Calochortus seed for the very first time in my life, I
wonder how long lived it is. The seeds sown was from C. venustus, luteus
and superbus. all from BX 422. I never had the right growing conditions
for Calochortus but I hope they will thrive in my new portuguese garden.
As I have never sown this seed, I did not dare to sow the whole bag but
kept about half of each lot in my fridge. Just in case.... But for how
long can it be stored without losing viability? If it was shortlived I
might be better off sowing it and maybe treat it differently. Are there
any special things to pay attention to after (hopefully) germination?
They are so gorgeous!
Looking forward to hearing from you, thank you very much
Uli
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