From 2013 is "old" but it appears, not too old for your methods and skill. I have had experience with intermediate/highlander seeds that were up to 1.5 years. Perhaps most of us have with some of the old seeds from (ebay). I have had fairly good success with them personally but no experience with anything older than that. Lowlanders that i have sowed have always been at least < 6 months. I consider them "fresh" in this range because of the success i have had in sowing them. I haven't had the chance to try with anything older than that in the way of lowlanders. Thank you for sharing your experience.
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