I had a weed like that and it took 6-12 months in sealed plastic rubbish bags to kill it. Eventually finished up with nice friable soil in the bags......... Ina Auckland NZ On 16/04/2010 5:48 a.m., Judy Glattstein wrote: > Desirable plants seem easy to destroy. Weeds are more difficult. Lesser > celandine, Ranunculus ficaria, will likely survive a nuclear blast. > > Friends at the Leonard J. Buck Garden in Far Hills, New Jersey tried > spraying with Roundup 3 times in one season . Slowed it down but did not > destroy it. > > I dug up several gallons, complete with soil around the tiny tubers. Put > in a heavy duty black plastic garbage bag, then placed in full sun on an > asphalt driveway. After close to a week the leaves are still green and > vibrant. > > Not allowed to dispose of in trash - also envision it carpeting the > landfill transfer station. > > Afraid to feed it to my neighbor's sheep who get garlic mustard and > multiflora rose. If not completely devoured the lesser celandine would > escape and carpet the pasture, then spread to cover the neighborhood. > > All suggestions gratefully received. And no, I don't think it is > suitable for the dinner table. > > Judy > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ >