The wildlife trust article referenced below gives reasons for not using peat
based products. Basically in its natural state, in peat bogs, it forms a
unique habitat that is now under threat and is seriouly depleted. There are
substitutes avaivable. Please try to use these instead.

Peter


The potting material is PEAT based compost.
Derived from dried out boglands. When cut out and dried it may be burnt as
fuel like wood and coal.

See here for example :- www.wildlifetrust.org.uk/facts/peat.htm
or here :- www.waverley.gov.uk/recycling/peat.asp#what

regards
Jake