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Re: Re:iris-talk OT:Mulch in Iris Beds!

  • Subject: Re: [iris-photos] Re:iris-talk OT:Mulch in Iris Beds!
  • From: oneofcultivars@aol.com
  • Date: Sat, 9 Feb 2002 20:35:35 EST

I've run some, more or less, controlled experiments with mulch and iris using 
compost in one instance and pine bark in another. In neither instance did 
mulch outside the immediate area of the rhizomes have ill effects on the 
plants. Generally speaking, neither did large pine bark nuggets when placed 
indiscriminately in the bed often covering the rhizomes through migration of 
mulch. Jury is still out on covering rhizomes though. But, some other 
pseudoscientific experiments here regarding planting depth (surface, 1/2 inch 
and 1 inch) indicate conventional wisdom concerning rhizome exposure may be 


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