Re: Re:REB: daylight independent rebloom

I have really been enjoying the dicussion the last few days on daylight independent, continious bloom or everblooming iris. I have only been growing iris for 4 years but I wish now that I had known about continious blooming iris when I first started. I have noticed that many of you use Immortality(Zurbrigg 1982(I Do x English Cottage)). I have never made a cross but I still like to read about all of your efforts. Dr. Zurbrigg registered another white iris the year after Immortality. Brother Carl(Zurbrigg 1983(Sister Helen x I Do)) in my garden is almost identical to Immortality. When I first got Brother Carl I thought is was Immortality but I soon noticed that it reblooms much more often and increases much faster than Immortality. Immortality rebloomed 3 times for me this year but Brother Carl bloomed 04-20-06 and them first rebloomed on 06-23-06 and has had at least one bloom stalk in bloom since then and has two in bloom now that will probably be killed this weekend. I
 set out seven small rhizomes on 09-06-05. All seven had multi-fans by this spring and I divided 2 clumps this fall. I have had Immortality 3 years and divided it the first time this fall. I am in zone 7 and I know that different iris do better or not so good based on the location they are grown in. In my location Brother Carl is much the superior iris. I am assuming that both got the continious bloom from I do. Lee Mincy

irischapman@aim.com wrote:  Forever Blue. Blueberry Tart etc, will bloom very early in SDB seasnon, and continue blooming for quite awhile, almost until end of TB bloom. They then take a week break, and then start up again and rebloom sporatically until heavy frost. 

I have not seen this kind of rebloom in any TBs. I had thought that perhaps Immortality was of this ilk, but when crossed with FB, there was no rebloom in any of the seedlings. I have seen some early blooming TBs and heard of early bloom, as July or Aug in other areas, but in these locals, TB bloom probably ended in May, so thus at least two months after spring bloom.

I suspect there is several types of rebloom.

In old literature there are accounts of almost continuous bloom in Iris chamiris (sp?) which is a dwarf iris.

I have found aphylla in background of FB and in What Again, on both sides of parentage.

Chuck Chapman




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