RE: Clopralid (Alligare)
iris@hort.net
  • Subject: RE: Clopralid (Alligare)
  • From: &* <s*@frontiernet.net>
  • Date: Sat, 1 Jun 2013 17:52:58 -0700
Hi Betty,

For many "weeds" what you say is true.  For ours, not.  I was surprised to
see White Top plants come up trough bales of straw which would equal a
really deep mulch!  I use straw around my old type roses along the right of
way and I put down overlapping, thick wafers.  The grass weedils around in
the mulch and still comes up, though the number of grass plants is reduced,
for a while and are easier to pull.  One year I put down about 8 inches of
the grindings from the tree trimmers who trim the trees under the power
lines along the road.  What a mess that created!  The grass came right
through, but the chip base made it harder to get out.  Another failure was
putting down the woven plastic feed bags (which are tight enough to hold
feed without leeking).  The grass worked its way through the bag and formed
a rooted mat that was almost impossible to get up as it had to be pulled and
could not be shoveled due to the tightly woven bags.  I have used layers of
newspaper between rows in the garden, but the weeds are not killed and just
move sideways until they can break out.  Maybe these weeds are alien
implants :)

Colleen NE Calif.

-----Original Message-----
From: owner-iris@hort.net [o*@hort.net] On Behalf Of Betty
Ann Gunther
Sent: Saturday, June 01, 2013 1:45 PM
To: iris@hort.net
Subject: Re: [iris] Clopralid (Alligare)

An organic method that kills grass and usually benefits plants is a heavy
organic mulch.  Several inches as in lasagna gardening.  Kills the weeds by
blocking the sun from them.  Put it around wanted plants so their bases
aren't covered. Use leaves from trees, pine needles, wood chips, lawn
clippings, shredded paper, newspaper or whatever you can get your hands on.
Only problem is you have to keep adding mulch because it decays and enriches
the soil -- not so bad, however.
Betty

On 5/31/2013 9:58 AM, Colleen wrote:
> Clorox will kill the beneficial bacteria in the soil.  Since the 
> vinegar is a strong acid, even an "acid loving" plant would probably 
> be burned since our terms of strength are all relative anyway.
>
> Colleen
>
> -----Original Message-----
> From: owner-iris@hort.net [o*@hort.net] On Behalf Of 
> Linda Mann
> Sent: Friday, May 31, 2013 4:11 AM
> To: iris@hort.net
> Subject: Re: [iris] Clopralid (Alligare)
>
> I'll try some vinegar on my patch of sheep sorrel, but since it's an 
> acid loving plant, a good dose of Clorox might work better.
>
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