Re: Bio-control for dandelions expected soon

**N* S* <T*@PlantSoup.Com>**

Two thoughts - both easier than a grubbing knife but still require  
some labor:

Horticultural vinegar - 10-20% acetic acid (household vinegar is  
4-5%).  Available from various on-line sources.  Caution - this is  
pretty acidic stuff so you need to wear protection when you spray it.

Nature's Avenger - this is a new, organic certified product on the  
market.  It comes from a woman-owned company in Davis California.   
It's active ingredient is the citrus oil d-limonene, the same  
ingredient in the citrus based de-greaser/cleaners that are on the  
market.  My understanding is that it strips off the waxy surface of  
the leaves and they desiccate quickly.  This is what is referred to  
as a "burn down" product i.e. it kills the top growth, without which,  
the root can no longer survive.  It may resprout but a second  
treatment should take care of it altogether.   www.naturesavenger.com

Hope that helps.

Nan

On May 18, 2008, at 3:22 PM, Yvonne Cunnington wrote:

> Ontario is in the process of introducing legislation to eliminate the
> cosmetic, or non-essential, use of pesticides on lawns and gardens.  
> This
> includes products used to control dandelions and other broad-leaved  
> weeds.
>
> I got to wondering what if any alternatives there might be for  
> those of us
> who don't want our country properties to turn into dandelion farms,  
> and I
> learned of a new bio-control, developed at McGill University, which is
> supposed to hit the market next year or in 2010.
>
> For more info and links to this product, see
> http://countrygardener.blogspot.com/2008/05/will-dandelions-take- 
> over-maybe-not.html
>
> Yvonne Cunnington
> www.flower-gardening-made-easy.com
> http://countrygardener.blogspot.com
>
>
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