Re: Iris Cristata
- Subject: Re: [sibrob] Iris Cristata
- From: Robt R Pries r*@sbcglobal.net
- Date: Mon, 12 Jan 2004 11:23:39 -0800 (PST)
There are many white forms and many blue forms of cristata. I my experience neither is more hardy because of color than the other. I believe this is a myth that got started because someone had a stronger white clone and a weaker blue clone but I am confident that color alone is not an indicator of hardiness. If you think in terms of only two clones than for those two it may be true, But there are many whites some with yellow crests some with orange crests, and variable forms of flowers. There are at least a dozen named varieties. Some perform better in one part of the country than in others.
Ellen Gallagher <ellengalla@yahoo.com> wrote:--- Jim Murphy <murphy@cstone.net> wrote:
>>> A little off topic, but can anyone tell me the hardiness
range of Iris cristata? I would like to publish it on my
website. Thanks! <<<
Hi Jim, just saw your question and like Laurie in Northern
Minnesota, it grows well here in Northern New Hampshire. This is
with a caveat: the alba (white form) seems to be more hardy
than the 'blue' varieties. The alba is also what I would call a
mini (nana?) ...smaller flowers than the blues. After a few
years, the blue varieties either disappear or don't flower (for
me). The white could overtake my back garden if I don't cut it
back and dig it up. I also sent Laurie some of it last summer.
:-)
I received my initial plants from Phil Cook in Northern Vermont
so they were acclimated to our climate. Iris cristata is not
native here, of course. We find only Iris versicolor in the
wild.
Ellen - the mercury never got above zer for four days and it is
a heat wave now at 10 F (-12 C)...Berlin had an 'unofficial' low
of -39 (40 C) on Friday according to a TV station in Maine..but
only -26 F (-33 C) at my house.
=====
Ellen Gallagher <ellengalla@yahoo.com>/ Berlin, New Hampshire/ USDA Zone 3
Society for Siberian Irises: http://www.socsib.org
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