The lenght of daylight hours triggers bloom in many plants, including
Iris. Thus they bloom in spring and again in fall when the lenght of
daylight hours match the trigger daylenght in spring (for rebloomers).
Forever Blue and a number of it's children don't need that trigger, but
bloom whenever a rhizome gets lare enough to support a bloom stalk.
Most SDB rebloomers rebloom her very late in Fall, just before killing
frost. This reflects daylight hours that trigers spring bloom. FB and
its children bloom when ever, and thus rebloom in very cold regions.
and troughout Summer.
Chuck Chapman
Re: Reblooming Seedling
Posted by: "brimmsplace"
brimmsplace@yahoo.com
brimmsplace
Wed Feb 13, 2008 8:09 am (PST)
Very nice seedling. But what do you mean "not a daylight
dependent"? I've never heard that term before.
Billy
irischapman@aim.com wrote:
Here is a reblooming seedling from Forever Blue X Victoria
Falls. It is
an IB and is a regular rebloomer (not a daylight independent) .
I keep trying to breed with it , hoping to get the daylight independent
genes into the TB.
Chuck Chapman
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