Re: Cult: TBs: Sulfur

Hi Sharon,

Sharon are you saying this garden sulfur helped get rid of leaf spot.  I would think there wouldn't be any odour  to the rhizomes of the Iris by mixing it in the soil.  Did you notice any odour.  I would like to find something that would help with leaf spot and rot.  Thanks for the info.....

                               Rob   zone 7
  ----- Original Message ----- 
  From: arilbredbreeder@cs.com 
  To: iris-talk@yahoogroups.com 
  Sent: Wednesday, August 22, 2001 1:57 PM
  Subject: Re: [iris-talk] Cult: TBs: Sulfur


  In a message dated 8/21/01 6:46:58 PM Mountain Daylight Time, 
  fjmjedwards@worldnet.att.net writes:

  << In the latest bulletin of the AIS, page 22, Rick Ernst tells of putting
  sulfur in Cooley's iris beds to prevent rhizome rot.  He uses 5% sulfur in
  the pre-plant fertilizer.  I am wondering if putting plain garden sulfur
  into the soil before planting would have the same effect.
       We have quite a bit of sulfur left over from previous garden
  preparations.  Here it acidifies the ground a little and helps loosen the
  very hard, alkaline clay.  While I am sitting here in a cool room writing,
  my husband is out applying the stuff  to our new iris beds.  I fear getting
  too much on.  I wonder what the effect of that would be.  Last  year I
  planted irises in a bed where I could still see tiny yellow flecks of sulfur
  applied to a vegetable garden several years before.  The irises have done
  well there, and I see no signs of rot.
  I will be interested to see if anyone else has tried sulfur on irises. >>

  We used sulfur to acidify the soil in the vegetable garden, not planning to 
  plant iris there, but when the iris needed the space they did quite well in 
  the sulfur-modified beds.  Of course, rot isn't a major problem in southern 
  NM unless the rhizomes are weakened from being baked and the vegetable garden 
  had had the best shade on the place.   

  In Oklahoma, where the soil was more neutral, I used sulfur to treat leaf 
  spot every year and whatever didn't wash away would have been incorporated 
  into the soil. I can't recall a single experience with rot in those beds.  Of 
  course, we're talking about older, TOUGH cultivars and beds designed to 
  provide excellent drainage.

  Sharon McAllister

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