On Wed, 26 Jun 2013 15:42:03 +0000, Kay Lancaster wrote:

I control it here in my Oregon yard with heading the flowers**
as soon as I see them, and spot applications of glyphosate on
established plants in the fall.

Hi Kay,

I have 5 gallons of concentrated 40-something percent glyphosate, so,
I do have plenty to go around ... but what does "heading" mean?

I guess that means to chop off the purple 'ball' at the top?
http://www1.picturepush.com/photo/a/...g/13420064.jpg

What about the green balls that look slightly different?
http://www2.picturepush.com/photo/a/...g/13420070.jpg