Re: Thistles

**E*@aol.com**

For starters, the "thistle seed"  for finches is called  Nyger seed and is 
imported and required to be heat treated by the Dept. of  Agriculture and 
customs. The botanical name is Guizotia abyssinica. Canada  thistle is Cirsium 
arvense. True nyger is imported from Africa while the other  is a garden 
thug. You may have to use a stronger solution of Round up or another  brush 
killer to take out what seems to be Canada thistle.  There is  horticultural 
vinegar that is a 20% solution that you should be able to buy from  
horticultural supply houses such as BFG or Wetzel. But I would go back to where  you 
got the thistle and read them the riot act because I suspect that what you  
got was a cheap substitute but charged for the real  thing.
denise
"There's a few things I've learned in life: always throw salt  over your 
left shoulder, keep rosemary by your garden gate, plant lavender for  good 
luck, and fall in love whenever you can" 

"Practical Magic"  

In a message dated 6/30/2011 2:59:04 P.M. Eastern Daylight Time,  
gardendiva@charter.net writes:

Hey  Chris,
Thanks for the vinegar tip.  I HATED using Round Up, because  I'm organic, 
but I was desperate.  Then it didn't work.  I've  used 10 percent white 
vinegar on weeds before with excellent  results.  However, I cannot find it 
locally now and the shipping on  vinegar is so high.  I'll run out to the 
rock garden now and spray  with vinegar to see if it works.  Very hot and 
sunny, today, so that  will help.
Doreen Howard  

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