The packing peanuts that are water soluble are vegetable matter, and will
quickly disintegrate, being useless for the task you describe.
"Roy &/or Becky Turner" wrote in message
news:MOD$010322.19905@rec.gardens.ecosystems... > > Hi, gang. I was wondering why there were so few postings the other day. > I posted this and it went into the black hole. > I am thinking of using the packing peanuts in the bottom of containers > shallow rooted veggie plants this year, and am wondering if anyone knows > of any toxicity that may result to the plants or to us who eat them. I > am going to container gardening this year. So far I am hearing that > they are not harmful. Of course I am not referring to the water soluble > ones. > Thanks, Becky > >