Sunday, June 19, 2016

Make your own organic potting soil

Sunday, June 19, 2016

There are just a few ingredients in potting soil so you can easily make your own.

Here is the recipe:
1 part composted or sterilized garden soil
1 part coir (coconut dust)
1 part perlite

To sterilize garden soil, you can put it in a cake pan and bake it at 200 degrees F for 50 minutes or put in a glass container in a microwave oven for 15-20 seconds.

The compost is the best choice as it has microbial activity already happening.  The microbes in the soil help the plant uptake nutrients. 
Composting is possible in small spaces or even indoors

Add in the homemade fertilizer and you have potting soil!
Make your own all natural, complete fertilizer

For an extra boost, you can add worm castings and biochar.  Castings have tons of microbial activity and nutrients while biochar helps the soil retain moisture.

Biochar pellets

For seed starting mix, do a 50/50 blend of coir and vermiculite with some worm castings thrown in for good measure if you have them.  I like to add Azomite as well.  Azomite is the abbreviation for "A to Z of minerals including trace minerals".  It comes from an all natural source.  Not only do plants grow and produce up to 30% more, but you are also getting those minerals in your food.  For more about minerals in gardening see The next step in garden production and your nutrition-soil minerals

The best thing to do with soil in the pots you used last year is to re-energize it each year by adding compost and fertilizer.    No need to dump it out.  Adding compost will create more potting soil for other pots, too.
Re-energize your potting soil!

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