Re: Vinegar weed killers

**&* P* L* <l*@hort.net>**

----- Original Message -----
> From: "Sally Williams" <gardenlit@gmail.com>
> To: "GWL" <gardenwriters@lists.ibiblio.org>
> Sent: Thursday, May 24, 2018 4:32:57 PM
> Subject: [GWL] Vinegar weed killers
> 
> I have been using 1 cup salt to 1 gallon white vinegar on
> recommendation of
> a friend. Now I'm wondering if salt or soap is more environmentally
> benign.

I've been using 30% vinegar concentrate with a little dish soap
to act as a surfactant and help cut through some of the plants'
natural oils.  

It seems to be one of the few things that works on Bishop's gout
(Aegopodium podagraria).  The leaves turn gray and crispy within
a few hours, although I have to reapply it regularly because the 
roots aren't killed by the vinegar.  If it's done regularly 
enough the plants will eventually starve to death.

Chris
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