In case this was not clear, I think HAND dish-washing soap is the kind to use. Not the "dishwasher soap" (for use in machines). This may just be a cultural terminology difference rather than a misunderstanding. KellyO > I don't think that dishwasher detergent would make a great deal of > difference, but try it--it makes sense. Adam >> > ----- Original Message ----- > From: "Judy Glattstein" <jgglatt@gmail.com> > To: <pbs@lists.ibiblio.org> > Sent: Saturday, April 17, 2010 1:13 PM > Subject: [pbs] How Do I Kill Ranunculus ficaria > > > > To all who responded, thanks for the suggestions. I will try a > > surfactant and / or ammonia next year. Question - would sudsy ammonia > > have the benefit of both ammonia and a surfactant all in one? > > > > I have - for other plants - mixed up wheat based wallpaper paste using a > > solution of Roundup as the liquid in place of water. When brushed onto > > leaves it sticks around much longer than merely spraying liquid Roundup. > > Didn't think of it this time, probably because of the zillions of > > Ranunculus ficaria leaves. > > > > Rodger, I have been digging out plants complete with tubers. My problem > > is what do I then do with them? Cannot throw in compost heap, not > > allowed to send to landfill, hesitant to feed to neighbor's sheep > > (issues of possible poisonous effect and also what if the sheep don't > > eat all the tubers.) The ranunculus are not dieing quickly enough, in > > fact not at all, inside the heavy duty black garbage bin liner. Would a > > clear plastic bag heat any better> > > > > Ah, the plants we love to hate.... Kelly O'Neill http://www.bigbubblers.com/ and Big Bubble Magic(tm) at http://www.wetrock.com/ and Wet Rock Gardens Flower Farm 2877 N 19th Street - Springfield, Oregon 97477 U-Pick and more at the farm (open 9 to 6, Sun, Wed and Fri - from March thru Halloween) kellyo@wetrock.com - http://www.wetrock.com/