RE: TB: Companion Plants and Leaf Spot

Hi,
From what I have read the leaf spot is caused by bacteria in the dirt.  In
especially wet years like we have had this past year in Wisconsin the rain
beats the dirt and bacteria up onto the leaves.  With companion plants this
happens less.  In other words the companion plants cover some of the dirt
between the Iris and therefore less opportunity for the dirt to be driven up
on the leaves.

Char

-----Original Message-----
From: owner-iris@hort.net [o*@hort.net] On Behalf Of Linda
Bartell
Sent: Sunday, January 02, 2005 1:05 PM
To: iris-digest@hort.net
Subject: [iris] TB: Companion Plants and Leaf Spot

Happy New Year, Everyone!
 
I was wondering why companion plants in the garden would cut down on leaf
spot?  I have other perennials growing around my iris beds, but I'd be happy
to put some among my iris if it would cut down on leafspot, one of the banes
of my iris here in southeast MI.
 
Linda Bartell
Zone 6a
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