Iris in Kansas City MO

Peter Taggart
Mon, 03 Dec 2012 10:32:01 PST
I believe that many Iris are stimulated to flower by changes in day/ night
length. Arilate species sometimes flower in the northern hemisphere Automn
at the same time as they are flowering in the southern hemisphere Spring.
It would be interesting to  compare more exactly using comparable latitudes
and various sections of the genus.

Mary Barnard is about the toughest variant I have grown, Walter Butt is
difficult to establish. I think that these forms are North African but I
believe from the British Iris Society Species Group  'A Guide to Species
Iris' that I unguicularis, in the wide sense, extends eastwards north of
Georgia into southern Russia, -not quite sure of the climate there, but I
know that some of the Black Sea coast is fairly mild.

On Mon, Dec 3, 2012 at 5:02 PM, James Waddick <> wrote:

> On Dec 3, 2012, at 10:42 AM, Jim McKenney wrote:
> >
> >
> > Iris unguicularis started to bloom here today, too. My Maryland garden
> is at about the same latitude (39.0839) as Jim Waddick's place in Kansas
> City, MO (39.0997) but he is USDA 5ish and I'm USDA 7.
> Dear PBSers,
>       None of these are listed as suited to my USDA zone so I am 'pushing
> ' them somewhat.

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