Greensand is a mined iron potassium silicate mineral from ancient seabeds.
A natural source of potassium, iron, magnesium, and manganese.
Improves friability of hard soils, as well as moisture and nutrient retention. ...
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R
Robert · April 18, 2025
I saw a girl on YouTube making a seed starting mix which she used the green sand in. I have had better luck this year with seed germination and seedling survival. The seedlings are still too small to make an impressive picture off at this time.
