What is 'sphagnum peat moss'?

What is 'sphagnum peat moss'?

Tracy DiSabato-Aust (Garden Designer and Author) gives expert video advice on: What are 'soil amendments'?; What is the difference between 'organic' and 'inorganic' soil amendments?; What is 'leaf humus'? and more...

Sphagnum peat moss is an organic soil mimic that is basically non nutrient providing, but is used to improve aeration or drainage in clay soils. It's not to be confused with the black muck peat that is so far in it's degradation in composition that it does very little to improve the soil structure.