HYB germination - Fogbound etc

Not sure if this will be of interest...
IMMORTALITY X FOGBOUND only germinated 1 seedling from two pods back in January. Discouraging. Delighted to see a bigger second flush of seeds coming up this week now that the weather is warm again.
Not sure what to make of it, other than that the seeds needed more than 3 months of chilling <and> needed more warmth to germinate that most of the other IMMORTALITY crosses.
Most of the other IMM crosses also had a second flush of germination, but came up a couple of weeks ago while it was still dropping to around 40oF on the sunporch at night.
Also meant to add to Chuck's comment about seedlings germinating well after being accidentally frozen - seedlings can germinate in the outdoor pots here after hard freezes, sometimes the next day, if temperatures don't get below the mid 20s or so. Never have seen seedlings germinate immediately after a dip to the teens or lower. If I weren't trying to add genes from cultivars selected in climates better suited to irises (not such extremes in erratic temperature), I wouldn't put as much effort into protecting them from severe cold following long warm spells. 

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Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.korrnet.org/etis>
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