CULT:Soil Amendments:Rot

Talkers,

There are people in iris land that report little or no rot.  Maybe there is 
something we can learn from the people that AREN'T having problems.  Tell us 
about your conditions and experiences!  

Linda,

You've done a lot of RR. (Rot Research) Have you tried controlled tests in 
which you do a soil test and then amend with lime?  Maybe two clumps side by 
side . . . one amended and one left as is?  That would get as near the same 
mini-climate as possible so that the only big variation would be the lime.  

Several years ago, I identified several irises that had rot problems. Some 
had rotted in my beds, and some were just reported to rot in my type of soil. 
 For varied reasons, I really wanted to grow these iris.  I put approximately 
1/2 cup of lime in the bottom of each planting hole.  It seemed to work for 
me, but I didn't keep a control clump.  

I don't know if it would be enough to counteract the severe temperature 
swings you experience . . . I don't remember the exact weather conditions 
during my soil adjustment.

Anyone else had similar experiences?

Betty Wilkerson Zone 6 SouthCentral Kentucky

American Iris Society web site <http://www.irises.org>
iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-photos/>

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