Storing erythronium seedss (was Seed Exchange Open for Donations)

Storing erythronium seedss (was Seed Exchange Open for Donations)
Marc Rosenblum via pbs (Fri, 24 Feb 2023 16:59:36 PST)

On 2/24/2023 4:57 PM, Jane McGary via pbs wrote:

That's really interesting, Diane. I wonder if that is why my
Alstroemeria seeds germinate best after being kept at room temperature
until fall sowing?

Jane McGary

On 2/24/2023 1:00 PM, Diane via pbs wrote:

Erythronium, along with other spring blooming flowers, sheds seeds
with undeveloped embryos. They need months of warm weather for the
embryos to develop within the seeds. Putting them in the fridge will
halt that development.

Diane

Jan Jeddeloh via pbs <pbs@lists.pacificbulbsociety.net> wrote:

Off hand the only old bulb seed I’d be leery of offering is
eryththronium. In my experience they don’t seem to like storage but
maybe I’m not storing them correctly. If anyone has further
information on the subject of erythronium seed storage I’d like to
hear it.

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Jane,

I find that Alstroemeria germinates well with 6 weeks at 70 F (20 C)
dark, and then transfer the ones not sprouted to the refrigerator at 40
F (4 C) till they sprout.

Marc