Re: irises changing color


At 11:58 AM 4/22/96 MDT, you wrote:
>Philip writes
>
>:Hi, my name is Philip Held and I live in Spring, TX and am a newcomer to
>:this group.  I have a question I hope someone can shed a little more light
>:on it for me. Has anyone had the experience of planting their iris one year,
>:and they all come true to their respective colors, and the following year
>:they all bloom in one single color? I would certainly appreciate any help.

One of many possible explanations:

Herbicide drift and contamination will cause a temporary change in color of
Iris especially the bearded.  All Iris are sensitive to either airborne or
pre-emergent herbicides. If you used a sprinkle and weed product such as
*Preen*, the dose is difficult to control.  An AIS Bulletin a couple of
years back had an article on proper use of herbicides.  I will try to
reference it for you if you think that this could have been a problem.  If
the damage is not too severe, the Iris will recover and bloom their normal
colors.


Louise H. Parsons  <parsont@peak.org>
1915 SE Stone St.
Corvallis, OR 97333  USA
USDA zone 7 , Emerald NARGS, AIS, SIGNA, SPCNI, transplanted Oregrowian 




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