Posted 7/27/2009 18:02 (#790292 - in reply to #789899) Subject: RE: Killing Milkweed with Glyphosate?
Kittitas Co. Wa. State
Milkweed has a very slick oily surface. You will get better results if you use a high dose of spreader/sticker which will cut thru that weed surface oil.
The amount of glyphosate is surperfulous if it can't get through the oily surface.