This is an old revision of the document!
Table of Contents
"Pseudo soils"
Seed starting mix
“Soil-less” light-weight growing medium that excludes these:
- Fertilizer which may cause burning or “???” stunting of seeds
- Clay which can hold too much moisture
- Organic elements, which can separate sees from the medium
- Fungi or bacteria, which may kill or stunt seedling
Potting soil
Used to provide nourishment for growing seedlings once they are ready for the real world. Potting soil contains some earth soil, as well as compost or manure peat moss or vermiculite.
Three-way topsoil
This is a commercial name for an indeterminate mix of earth soil (maybe), sand, compost (maybe), shredded forest products, bark and who knows what else. There is no standard. What one company sells by this name may look and be quite different from that sold by another company.
I have been buying such a soil for leveling, starting turf and filling holes to replace the native soil from a local supplier. I can tell it has some earth soil, some sand and some shredded forest products. I mix it with Tagro from the City of Tacoma's