The difference between compost and mulch:
Finished compost is relatively fine-textured. It is dug into soil as an organic amendment.
Mulch is coarser and heavier. It is used over the soil.
The difference between organic and inorganic:
Organic materials were once alive.
Organic Soil Amendments for Colorado Soils:
- Compost
- Aged manure
- Sphagnum peat moss
Only organic soil amendments should be used in Colorado.
Organic Mulches:
- Bark
- Wood chips or shredded wood
- Christmas tree and other conifer branches
- Straw and hay
Inorganic materials were never alive.
Inorganic mulches:
- Weed barrier fabric
- Rocks or pebbles
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