RE: Species rebloom!
iris@hort.net
  • Subject: RE: Species rebloom!
  • From: E* H* <e*@mymts.net>
  • Date: Sat, 13 Nov 2010 12:04:27 -0600
I always enjoy these extra tidbits of info, Bob.  I'll have to take a closer
look at some of my old unknown pumilas next spring.

I'm also paying close attention to Chuck's explanations of vernalization.
I've been tracking the minimum and maximum temps here over the last year, so
maybe it'll all start coming together in this old brain some day.

El, near Winnipeg, Manitoba, Canada Z3

> Date: Fri, 12 Nov 2010 17:09:43 -0500
> From: robertpries@embarqmail.com
> To: iris@hort.net
> Subject: Re: [iris] Species rebloom!
>
> Paul: Although I have never heard of the Rubromarginata form of suaveolens
reblooming it would not surprise me. One species that has many reblooming
cultivars is Iris lutescens. Sadly it has almost dissappeared in cultivation
in this country. Years ago many of the cultivars that were being called Iris
pumila were actually lutescens.
>
> ----- Original Message -----
> From: "Paul Archer" <pharcher@mindspring.com>
> To: iris@hort.net
> Sent: Friday, November 12, 2010 3:15:30 PM
> Subject: Re: [iris] Species rebloom!
>
> They are and have been separate clumps for two Springs now and are
established so distinguishing between them is not that difficult. I wasn't
expecting them to be all that different but they apparently are. So I'll have
to label them. They are only just now starting to mingle some but the Fall
bloom occurred in one clump between two others that did not. I can also tell
where the point of origin was. I just can't remember which ones did have
Spring rebloom. The Spring rebloom though wasn't what intrigued me. I am
positive that this one clump didn't Fall rebloom last year so was quite
surprised.
>
> I could paint all old rhizomes from this year and see if Spring and Fall
rebloom occurs on new rhizomes formed that Spring or if it actually was from
vernalized rhizomes of the previous year.
>
> I understand about the vernalization and day length relationships. I'm just
wondering if it unusual for this species.

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