Cut five sheets of Styrofoam into squares of the same size. Because you'll want the edges as straight as possible, cut with ...

If you want to repurpose something you already own into a seedling starter to save money, check out why styrofoam cups are great planter options.

From frozen food delivery containers to protective padding in shipped parcels, the foam is increasingly arriving in larger and larger pieces, well beyond the packing peanuts of yesteryear.