Re: SPEC: CULT: Setosa parameter
I don't always keep good records, but I believe one setosa came
from Heronswood Nursery in Washington state. My white setosa
came from a local nursery, but that's not where it was propogated.
I found a tag amoung my iris "notes" from Valleybrook Gardens
somwhere in Canada, but I'm not sure if it goes with this setosa or
one I killed a few years ago by trying to grow it in the ground instead
of a planter. Another came mislabeled as I. cretensis. However, I
suspect it was originally mislabeled I. verna, because the iris with that
label has leaves and growth consistent with I. cretensis (no blooms
yet though). I have some I. setosa canadensis that I've been growing
from seed. They seem to grow okay, but I'm still waiting for blooms.
We have very dry summers. Some years it will go for 4 to 6 months
without measurable rain. Our summer temperatures can easily exceed
100 degrees and the last two summers have had temperatures of
107 to 108 degrees. However, I live 30 miles from a very cold
ocean. When the air heats up, the intervening hills can only hold
back the cold maritime air for a few days at a time, so we never
have extended hot spells. I grow setosa where they get protection
from afternoon sun. They seem to do best for me in undrained barrels
that aways have at least some water at the bottom..
Ken Walker
Daryl & Kathy Haggstrom wrote:
> Kenneth Walker wrote:
>
> > I live in zone 9 and at least some varieties of Iris setosa
> > do very well for me if I keep them damp enough. This is
> > rather surprising to me as I believe I am far south of
> > their natural range.
> >
> > Ken Walker
> > Concord, CA
>
> It's surprising to me as well. It attests to a certain flexibility inherent
> in its gene pool. It seems to be a natural phenomenon inherent in many iris
> and plants in general, that of adapting to conditions beyond its range. I
> would have certainly put your location beyond its range. Where did you get
> your plants?
> I know I'm probably gathering erroneous information from trying to relate
> some of these variations to heat days, as I don't feel it is completely
> valid, but I looked up Concord on the AHS map and noticed it stays somewhat
> cool (for your area) during the summer, whereas Mark Cook in Florida with a
> cooler winter zone can't grow setosas, and has some torrid (at least it
> sounds that way :-) summer heat. Thank you for the input - it's quite
> interesting to see (I'm charting these responses).
> Kathy Haggstrom
> Anch, AK/zone 3
>
> [Non-text portions of this message have been removed]
>
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