Can You Use Packing Peanuts for Planting?
Polystyrene packing peanuts are a popular choice for a variety of types of gardening. Unlike biodegradable packing peanuts made of starch, polystyrene peanuts do not dissolve in water. Packing peanuts provide drainage for potted plants that use soil and can be a medium for anchoring the roots of hydroponically grown plants.