Tiny tubers (was: seedlings that refuse to develop)

Lauren and Branka --
Yes, yes!  I dug up one of the dead-looking ones, and there is a little tuber, about the size of a sweet pea seed, but pointed.  Other than that, there's only one root, about an inch long.  I am so grateful for the help of you wise people!  If not for you, I would have just thrown out this whole tray of seedlings.  And now for my next question: What do I do now?  Are they really supposed to be dormant in the summer, or do they think this is winter because I started them in December?  Should I give them a fake winter in the fridge, or let them dry out like summer, or ???  If no one knows, I guess I'll split them up and try different things with different batches.
Gratefully yours,
-- Susannah



Loren Russell wrote:
...a few of our native delphiniums, notably the rare D. pavonaceum and D. menziesii [the latter widespread and common] do stop at the cotyledon stage and put their all into building a resting root structure [tuber].

Branka wrote:
. .. I waited for three months - but no signs of development has occured. The summer came to an end, so I planted my 4 cm tall Delphiniums into the garden. They were barely alive, lost their leaves in winter, BUT this spring, about 70% of them are about 40cm(cca 15 inch) tall.
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