I believe that irids vary a lot. Some iris have been documented to stay viable for many years and some of the other irids are said to need immediate planting. I've had a few germinate after several years. If you have seed it can't hurt to try them.
Rod
On Sunday, December 20, 2020, 9:48:59 AM CST, Pia Binha via pbs <pbs@lists.pacificbulbsociety.net> wrote:
do Irid seed stay viable after years of storage in the fridge? or do they lose viability quickly?
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tsuh yang
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