Packing peanuts are made from oil products and I strongly recommend against ever using them in a planter. They do eventually dissolve, and then the plants take up the residue. It could kill the plant.
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Looking for uses for packing peanuts? Use them to create a drainage layer in the bottom of your planter.
To lighten the weight of a planter (indoors or outside), fill the bottom quarter of your pot or planter with packing peanuts or Styrofoam. This is really a four in one tip:
It lightens the total weight.
It enables you to "stretch"' your potting soil.
It is good for the roots of plants.
It aids drainage.
And it keeps that expanded foam out of your local landfill.
Regards- Farmerella from rural WI
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