Weed Control Guy.com » summer weeds http://weedcontrolguy.com Get Weed Control Info, Weed Identification, Professional Weed Control Sat, 17 Jul 2010 17:35:24 +0000 en hourly 1 http://wordpress.org/?v=3.0 Milk Thistle http://weedcontrolguy.com/2009/04/15/milk-thistle-phoenix-weeds/ http://weedcontrolguy.com/2009/04/15/milk-thistle-phoenix-weeds/#comments Wed, 15 Apr 2009 21:41:54 +0000 WeedController http://weedcontrolguy.com/?p=59 WeedController. Visit the original article at http://weedcontrolguy.com/2009/04/15/milk-thistle-phoenix-weeds/.
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Milk Thistle – From the Thistle Family

This weed can be both an annual and biennial weed. It will grow to be 2 to 5 feet tall.  These weeds are common March thru August.  It grows in elevations usually between 1,000 to 3,500 feet elevation.  This weed has many spines in the leaves.  It has flowers that are purple in color.   Some say this weed contains nitrates at a toxic level but it is not common enough to cause issues in Arizona.  It can be prevented by a pre-emergent.  Some selective herbicides and glyphosate will also control it.  Please dont abuse the comment section on this blog or they will be disabled because I dont have time to personally approve every message.

Thanks, The Weed Control Guy.

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