HYB: germination experiments

Looks like I need to plan on at least 5 months of chilling to get first germination from late blooming crosses on strong survivors here. 

:-(

Some crosses have not had any seeds germinate yet.
In the three crosses that I split into two batches (one on sunporch, one back in the fridge), a few more sprouted on the (warmer) sunporch, none in the fridge after about 2 weeks. So I moved the rest of seeds from those three out to the sunporch. A few more germinated.
I'm assuming the rest of these either 1) need even longer chilling (??), 2)need a warm cycle followed by another 2 to 5 months in the fridge, 3) need alternating temperatures, or 4) are bad and won't germinate at all (thanks to stressed out plants last spring due to "interesting" weather).
I'm going to move all of the baggies out to the sunporch in another couple of weeks, then will put any remaining unsprouted seeds into germination pots and move them outdoors. Maybe I can fool them into thinking it's a second winter out there. 
--
Linda Mann east Tennessee USA zone 7/8
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