Fortunately the ones I have seen in our are not the variety that produce the toxins. Not all Eupatorium are toxic, especially the ones that rely heavily on pollinators like the North American varieties.
I think most of the varieties that to contain the toxicity are pink flowers and mainly in Asia...though when I was researching I think one is native to British Columbia as well.
Richard Stewart
Carriage House Farm
North Bend, Ohio
An Ohio Century Farm Est. 1855
(513) 967-1106
http://www.carriagehousefarmllc.com[log in to unmask]
On Sep 13, 2011, at 12:02 PM, Juanse Barros wrote:
> watch out Pyrrolizidine alkaloids
> in Eupatorium sp.
>
>
> Juanse Barros J.
> APIZUR S.A.
> Carrera 695
> Gorbea - CHILE
> +56-45-271693
> 08-3613310
> http://apiaraucania.blogspot.com/
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