Re: [SR - CA again]
- To: s*@onelist.com
- Subject: Re: [[sibrob] SR - CA again]
- From: R* H*
- Date: 1 Feb 00 18:50:54 PST
From: Robert Hollingworth <Cyberiris@netscape.net>
Bill - there's certainly a genetic component in rebloom. Certain irises
(several already mentioned on this topic) do this much more frequently than
others. But there are also some climatic/cultural factors that are important
and remain a complete mystery to me. It seems that rebloom occurs more in some
places than others e.g. Currier seems to get much better rebloom in Maine than
I do in Michigan or you in Minnesota. It has been suggested that rebloom is a
response to losing buds to frost early in the year so that the first display
is suppressed and a second set of buds is induced to bloom later. But I doubt
that happens more frequently in ME than in MI or MN. Also why would two plants
of the same cultivar next to each other differ greatly in the amount of
rebloom, as happens often in my experience. I have tried, and never been able,
to correlate any weather pattern with good and bad rebloom years either. I
really wish someone could find the key because rebloom is one of those things
that comes up all the time but never seems to get resolved beyond the point
we're at now. Maybe someone has an idea that can move us forward from here?
Bob
"William C. Dougherty" <103225.2126@compuserve.com> wrote:
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Hello everyone!
Leroy, I can't really say the flowers of Coronation Anthem last longer. I
will watch for it this June.
Another item I will try to observe, if the form change from "closed" to
"open" occurs as the flower sexually matures and becomes receptive.
Rebloom, I experience little or no rebloom. I can't say I have seen any
Siberian rebloom in Minnesota gardens in the last two years. Three years
ago Lavender Bounty did send up a single stalk about two weeks after the
first finished. No one can seem to quantify rebloom. Is the cause cultural,
genetic, climatic, or even microclimatic?
Bill Dougherty
Fridley, MN.
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