gardeners consider potting soil to be a conveniently packaged
product containing everything a plant needs to flourish. But
before grabbing the first bag off the shelf, you might want
to check the ingredients, if they are listed.
Most plants grow best in a lightweight medium that provides
a balance between moisture and air. Potting soil usually does
not contain soil, but rather a blend of materials that may
include peat moss, vermiculite, perlite, sand and lime.
potting soil components; peat moss, vermiculite, perlite, sand and lime.
moss is the dead material that has decomposed and accumulated
in the lower levels of a sphagnum bog. It may be compressed
into layers 10 ft. (3m) thick. Most peat moss in North America
comes from peat lands in Quebec, New Brunswick or Nova Scotia.
There are concerns about the environmental impact of harvesting
sphagnum bogs, and in Europe, Britain in particular, the use
of this product is strongly discouraged because of native
The Canadian Sphagnum Peat Moss Association, however, claims
there is more than 70 times as much growing in Canada every
year as is harvested, with harvesting taking place on only
one in 6,000 acres of an estimated 270 million acres of peatlands.