Hello Friends!
In Today’s episode we will look into the best potting mix or the potting soil recipe
for indoor container gardening.
The various ingredients used and the function of each will be explained with simple concepts.
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Well, Urban gardening or small-space gardening in containers is on the rise!
And the number of people growing plants indoors is also on the rise.
The most important aspect of container gardening is the potting medium used, because this,
along with light and moisture will be the most important factor to help your plants
grow healthier and disease free.
I never use the commercial potting mixes available, which are infact too expensive.
I rather prefer to make my own homemade potting mix recipe for both my indoor and outdoor
plants.
You can checkout my video on the best potting mix formula for outdoor plants from an endscreen
link at the end of this episode.
Now, lets start looking at the ingredients we use to prepare our indoor soil mix, one
by one.
We will list out the formula or the recipe with the proportions of each ingredient used,
shortly.
1.
Garden Soil: This forms the major component of an outdoor potting soil recipe because
one of its major functions is plant anchorage which is very important for outdoor plants
which can easily knocked down by strong winds.
We will use garden soil in our indoor potting mix too but in smaller quantity.
2.
Cocopeat or Peat Moss: I prefer cocopeat because its easily available and inexpensive and has
a neutral PH.
Plus mixing this with garden soil removes the compactness of garden soil and makes it
well draining.
This forms the major ingredient of our indoor potting mix.
Its available as a compact brick or in powdered form.
The coco peat brick can be easily reconstituted into cocopeat powder by mixing it in water.
One brick of about 5 kgs will give you a large volume of upto 75 liters of cocopeat powder.
3.
Compost: like vermicompost or decomposed cowdung or horse dung powder or both.
Compost manure is an essential component of any potting mix to provide the major and minor
plants nutrients like the NPK – nitrogen phosphorous and potassium along with the trace
elements.
We have already discussed this in our previous episode on the basics of indoor gardening.
4.
Neem Cake Powder: This is optional.
But adding this will take care of any fungus and harmful bacterial growths and protects
your plants.
5.
Bone Meal Powder: This is again optional but very useful if you are growing vegetables
or flowering plants indoors under grow lights.
This will induce flowering and fruiting if mixed in potting soil.
6.
Perlite, Vermiculite or Pumice: All these serve the same purpose of making a well draining
potting mix plus adding a good aeration system for roots.
Among these Vermiculite should be cautiously used, because it holds lot of moisture and
can rot you plants especially succulents.
Vermiculite can be used for water loving plants like lucky bamboo and others.
Pumice and Perlite are the best options.
Among these two, the main drawback of Perlite is it gets crushed into powder if you use
it along with too much garden soil and in this case pumice is the best if available.
Garden Pumice or horticultural pumice is available in various grades or sizes and it does not
get crushed unlike perlite.
You can find the links to purchase these items online in the description below.
Now quickly, before the formula or recipe, lets know the difference between Potting Mix
and Potting Soil.
Potting Mix is simply a mixture of all the above ingredients minus the garden soil.
That’s means it is a soil less medium.
On the other hand, Its called Potting soil when you use garden soil in the mixture.
That’s simple!
But most often these two terms are used synonymously.
Well, here in this recipe, considering the importance of plant anchorage, we will use
garden soil too but in small quantity.
Now lets look into the actual recipe of this indoor potting soil.
7.
Cocopeat forms about 40 to 50 percent of this mix.
8.
Garden soil about 10 or 20 percent.
9.
Perlite or Pumice or both about 20 percent 10.
Compost like vermicompost or Cow dung compost or a mixture of both 20 percent depending
on what you want to grow.
For veggies and flowering plants, you can increase this to 30 percent.
For ornamental plants 10 to 20 percent is sufficient.
This can also be added later on to the top layer of the soil – a handful of it per
container once or twice in a month.
11.
Optionally you can add 5 percent bone meal plus neem cake powder.
If you are not aware if these ingredients, you can check out my detailed videos on each
of these from links in description below.
So, there you have it folks!
This is the best organic potting mix recipe for indoor gardening.
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Happy Gardening!