Re: Species rebloom!
iris@hort.net
  • Subject: Re: Species rebloom!
  • From: C* C* <i*@aim.com>
  • Date: Fri, 12 Nov 2010 09:38:00 -0500
 You will need to seperate out the clones and check if you get spring and fall
bloom on same cultivar.

Getting maiden fall bloom on a seedling? often is a one off event. Plant will
carry over vernalization from spring when maturity wasn't sufficient to enable
day length to trigger bloom.? Once it blooms in spring, the vernalization is
reset. Reset doesn't occur until plant blooms, so if it doesn't bloom in
spring, it is primed, waiting for day length signal.

Chuck Chapman





-----Original Message-----
From: Paul Archer &lt;pharcher@mindspring.com&gt;
To: Iris chat forum &lt;iris@hort.net&gt;
Sent: Wed, Nov 10, 2010 6:41 pm
Subject: [iris] Species rebloom!




I went out to do some Fall clean up today and noticed one of my seed grown I.
suaveolens var. rubromarginata had send up multiple flowers though with some
freeze damage.  So now I am wondering if this is unusual for this species to
rebloom in the Fall.  A couple of its sibs did rebloom this past Spring and
this
one may have as well.  This one though is a decent (for the species) dusky
purple with red-purple tinged foliage that persists into the Summer more so
than
the others did.  The sibs also had dull yellow flowers.  They do need to be
separated as they have intermingled some in their mat-forming habit so my
recollection of which one did what is cloudy.  But this is the only that
rebloomed now.  I don't generally water or fertilize much especially since
this
one is in a raised bed with he Arils and Arilbreds and it has been rather dry
here lately.  Taking those factors into consideration and the mutiple
inflorescences it must be the real thing and not a fluke.

Any thoughts from the Rebloom Gurus on this ocurrance or from others who have
grown this species?  I know that the regular I. suaveolens (and decendants)
can
give reblooming seedlings, but haven't heard of many of the pure species doing
so let alone here in Zone 5 and in the Fall no less.

Paul Archer
Indianapolis, IN

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