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I know for some old seeds I've had to wait over two months and some never did germinate.:sad:
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Two months! Wow, very interesting. I think I must have missed the time aspect in the old seed starting threads. I am curious as to what, physiologically or mechanically, is taking two months to happen. It can't be just dryness of the seed. After a certain period--months or a year--all seeds not kept over a dessicant will have come into equilibrium with the ambient moisture, i.e. they should all be the same whether a year old or ten years old, yes? Or is it that the seed coat becomes less permeable with time? Is the nitrate soak (I forget what actually it is) dissolving something off the seed coat or does it stimulate an enzyme somewhere inside the seed?
Pardon me for thinking out loud here.
It's the end of a long, long week. I need some tomato seeding therapy.