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Learn How to Grow Organic Marijuana (Viewed 3791 times)
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Im new here
Posted on August 18, 2018
There's so many ways to go about this im not sure where to start
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Learn How to Grow Organic Marijuana
Reply #16 Posted on June 08, 2016
Learn how to grow organic cannabis that smells amazing!

    If you do go the organic route, learn about easy ways to change the pH of organic soil without hurting the microbes!

How to Grow with Organic Super Soil: Just Add Water! (plus super soil recipe)


Why Should You Compost Organic Super Soil for Growing Cannabis?

Why do cannabis growers compost their soil to create organic "super soil" instead of just using "regular" soil from the store? Why is super soil better than other types of soil for growing cannabis?

"Super soil" is a term that started being used widely after a famous cannabis grower known as Subcool released a specific set of instructions for creating composted soil that delivers everything your cannabis plant needs, at exactly the right time, without needing to manage your pH or add extra nutrients.

Ever since Subcool taught other cannabis growers how to make their own super soil, organic growers around the world have been using this "secret" to harvest incredible top-shelf organic buds!

Organic "Super Soil" makes cannabis grow like a weed in the wild!

Cannabis grows like a weed in the wild when there's plenty of light and good soil

There's lots of reasons to use super soil for growing cannabis. In addition to being able to create a fully organic growing medium, the correct "recipe" for composted super soil actually mimics the root conditions that make cannabis thrive in nature.

That's why with super soil, your main job as the grower is to simply water your plants and watch them grow. There's no need for complicated nutrients, chemicals, managing pH and other factors that can make growing cannabis more difficult or time-consuming throughout the grow.

It is easy and low-effort to grow incredible-quality cannabis buds in composted super soil; just water your plants and wait for harvest!

When growing marijuana in organic super soil, you don't really need to do anything except water your plants!

With super soil, you're re-creating the environment that causes cannabis to grow like a weed in the wild. You're creating a "living soil" that acts a lot like the most fertile types of soil in nature.

This means a lot less work from you during your grow. In fact, needing less work during the grow is why many organic growers feel that growing cannabis in super soil is easier than growing cannabis any other way.

Plus there's the possible taste/smell/smoothness benefits...

Let's learn more about the pros and cons of using amended and composted super soil for growing cannabis...

Pros of Super Soil

  • Better Taste, Smell, Smoothness - Many growers believe that growing cannabis in super soil enhances taste and smell compared to other growing methods, while producing smooth buds with less of a chance of "harshness" from over-fertilization

  • Great for Indoors and Outdoors - Super soil is a versatile growing medium that can be used to grow thriving cannabis plants almost anywhere

  • Natural - Super soil can be created using only organic ingredients that have been broken down naturally - this closely mimics the best and richest soil found in nature

  • No Need to Flush - Since there's no chemical salts to alter taste and smell of buds, many organic growers feel there's no need to flush before harvest

  • Can Be Easier to Grow - Once the amended soil is composted, growing cannabis in super soil is easier than pretty much any other type of growing medium; with super soil there's less of a need to worry about maintaining pH or nutrients! As long as you're starting with a good water source, you just water your plants and wait until harvest :)

Nugbuckets is a world-famous organic soil grower
Huge, dense, cannabis flowers at harvest! - Nugbuckets showing off his harvest

​Cons of Super Soil

  • Expensive & Best Suited to Bigger Grows - Can be expensive to get started since you generally compost a lot of soil at once - it's difficult to scale the organic super soil process down to smaller grows that need less soil at a time. However, if you do want small amounts, or if you don't have time for the composting process, you can actually buy pre-made super soil from experts who specialize in growing cannabis.

  • Need to Plan Ahead - Composting take 30-60 days before your soil is ready to be used by your plants, which means you have to plan ahead before each organic grow

  • Mixing Soil Can Be Tiring - The amending and composting process involves some physical work (mixing the soil)

  • Slightly Slower Growth than Liquid Nutrients - Although you don't have to do anything to make super soil work for you, cannabis plants grow slightly faster in the vegetative stage when using liquid nutrients. Since nutrients are provided in the absolute most available form without needing any help from microbes in the soil, using liquid nutrients can shave a couple weeks off your grow compared to super soil. You can grow using organic soil with organic liquid nutrients to get some of the benefits of both.

A man holding composted super soil in his hands - it's rich yet aerated; a perfect root environment for your cannabis plants!

Growing with super soil is a completely different experience compared to most other forms of growing cannabis. Instead of using unnatural chemical salts created in a lab to provide your plants with nutrients in the most easy-to-absorb form possible, you are re-creating an optimal version of how cannabis grows in the wild.

Organic growing uses only natural sources of nutrients, and is much closer to how cannabis grows in nature

Composted super soil makes your cannabis grow like a weed in the wild!

Today a lot of growers use non-organic, liquid-based cannabis nutrients. When using liquid nutrients, you must act as the "middle man" who takes care of your plant roots. That means you're responsible for maintaining the soil pH and giving specific nutrient ratios throughout your plants life to achieve optimal growth.

When using amended and composted super soil (like this recipe by Subcool), you are creating an entire soil ecosystem that extracts organic nutrients in their natural form and makes them available in a form that your plants can easily use. 

Basically using organic composted super soil means your soil is acting as the "middle man" instead of you. The microbes, fungi and other tiny organisms in the soil which have been cultivated during the composting process will take care of your plant roots, delivering nourishment directly to your plant in the form it needs.

Once you've created a living super soil via composting, you pretty much just need to water your plants and wait for harvest!

This glittery bud was grown in organic soil by Koma Trichome

Glitter purple buds with tons of trichomes

Note: For some cannabis growers, organic and composted soil is the most natural choice. For others, the composting process may take too much time or space. But there are alternatives!



Don't Want to Mix Up Your Own Composted Super Soil?

Like any growing style there are a million ways to get your cannabis to grow. If composted super soil is not the right choice for you, there are organic options that take less preparation.

Buy Pre-Made Super Soil

There are some places that offer pre-made Subcool Super Soil, similar to the soil created in this tutorial. There are also many nurseries that sell high-quality composted soil which will work well for cannabis (though perhaps not as well as something specially made like Subcool Super Soil). These may be good in-between choices for those who want the benefits of super soil, but aren't willing to go through the composting process.

Get Pre-Made Super Soil for Growing Cannabis From KindSoil

With KindSoil, you basically only need to water your plants, just like with the recipe in today's article! It definitely costs more per pound than doing it yourself, but if you just want a little bit of soil, or if time is a premium for you (time is money!) than you may be happier letting someone else do the composting for you!

Want More Control & Faster Vegetative Growth? Get Organic Nutrients!

Another common method for growing marijuana organically is to start with quality organic soil and pair it with a proven organic nutrient line like the GO box or Advanced Nutrients' Iguana Juice line (GrowBloom).

For growers who want more contol over the exact nutrients and supplements delivered to the plants, than this can be a great option. 

Organic potting soil mix - available on Amazon.comPlus signGeneral Organics  

Another huge advantage of using liquid nutrients is your plants tend to grow faster in the vegetative stage than when they're grown in only composted soil, which can shave a few weeks off your grow. Liquid nutrients are immediately available to roots, whereas with super soil you need the microbes in the soil to convert nutrients into a usable form.

However, when using liquid nutrients for growing cannabis (even organic ones like the ones included in the General Organics GO Box), it becomes a lot more important to test and manage pH just like any other non-super soil grow. It's up to you to decide what works for you!


How to Grow with Super Soil Guide



 How to Compost Your Own Super Soil!



You will need:

  • Huge mixing container (enough to hold ~110 pounds of soil)

  • Rake

  • Tarp or large trash cans to hold soil while it's "cooking"

Composted Super Soil Ingredients

The following instructions uses a “layered” approach to make sure everything is mixed together well. It is possible to throw all your ingredients in a pile and mix everything up, but this order makes it a lot easier to get a fully mixed final product.

Here's the video tutorial, with step-by-step instructions below


Mixing & Amending Soil

1. ) Add 4 bags of Roots Organic Soil to your mixing spot (there should be 2 bags of Roots Organic Soil left)

Get ingredients ready

Pour 2 bags of Roots Organic soil into container

If you don't have a big enough container, use a tarp or even a kiddie pool

Place all your ingredients on a tarp and mix together to start creating your super soil

Add 4 bags of Roots Organic Soil to bottom of container

Here's the beginning or your composted super soil adventure with all the needed ingredients

2.) Add Fish Bone Meal (since it’s smelly and you want to cover it up first)

Add Fish Bone Meal

Pour out fish bone meal on top of cannabis super soil pile

What soil looks like after adding Fish Bone Meal


3.) Add 1 bag of Biobizz Light-Mix (there should be 1 bag left)

1st bag Biobizz Light-Mix soil

Pour first bag of Biobizz Light-Mix soil to pile

4.) Rake it out so that the Fish Bone Meal is lightly mixed in

Rake it out so fish bone meal is mixed with soil

Here is what the Fish Bone Meal and soil looks like after a light mixing:

What cannabis super soil pile looks like after Fish Bone Meal is lightly mixed in

5.) Sprinkle Dolomite Lime over entire pile

Sprinkle Dolomite Lime

Sprinkle Dolomite Lime over entire pile

6.) Sprinkle Granular Azomite over entire pile

Sprinkle Azomite over entire pile of cannabis super soil

7.) Add the last bag of Biobizz Light-Mix

2nd bag Biobizz Light-Mix soil

Add last bag of Biobizz Light-Mix soil

What cannabis super soil pile looks like after adding second bag of Biobizz Light-Mix soil

8.) Add 1st bag of worm castings

1st bag Earthworm Castings

Add first bag of earth worm castings to pile of super soil

9.) Add 1 bag of Roots Organic soil (you should have 1 bag left)

1 bag Roots Organic Soil

Add one bag of Roots Organic soil to cannabis super soil pile

What cannabis super soil pile looks like after adding bag of Roots Organic soil

10.) Rake it in lightly

Rake it out

Rake out soil to start mixing the ingredients so far

11.) If you’re using perlite, add it now.

12.) Add 2nd bag of worm castings

Add second bag of worm castings to growing pile of cannabis super soil

What pile looks like after adding 2nd bag of earthworm castings

13.) Add last bag of Roots Organic Soil

Last bag Roots Organic Soil

Add last bag of Roots Organic soil to pile

14.) Rake entire pile gently so it’s all mixed up

Rake it out

Rake it all in

What pile looks like after being raked

15.) Add Blood Meal

Blood Meal

Add Blood Meal to cannabis super soil pile

16.) Add Bat Guano

Bat Guano

Add Bat Guano to pile - sounds gross but your plants will love it!

17.) Add Epsom Salt

Sprinkle Epsom Salt over entire pile

18.) Final stir - mix thoroughly

Give the pile a final stir

After final stir of compost super soil pile


Start Composting

  1. Over next week, continue to mix pile regularly (for example moving pile to one side then the other) until you don’t see any spots of color anymore.

  2. After mix has been thoroughly mixed over a week, wrap up super soil in a tarp, or store in a large container such as a garbage can (this mix takes about 4 large garbage cans)

  3. Add water to cannabis super soil pile to start the microbial processesAdd water to mix and stir it in to initiate the microbial process. Super soil should be moist but not soggy while composting. The idea is to keep the mix both moist and relatively contained. If your super soil mix is not put in a container or wrapped up, it will dry out, which stops the whole process. Make sure you wrap up your soil if in a tarp, or put a top on your garbage cans. You need to keep the mix in a relatively enclosed environment.

  4. Keep your composting mix in a sunny place and allow the super soil mix to "cook" for 30-60 days. During this process, your job is to keep the soil moist but not soggy, and otherwise keep the pile covered/enclosed to trap heat and air. The microbial processes in the soil will actually cause the composting pile to become hot to the touch - this is normal! That's part of why it's called "cooking" :) As the soil cooks, it will break down the ingredients you added into a form that your plants can easily use.
    Note: Be on the look out for bugs, especially if mix is not completely enclosed! You just created a perfect environment for bugs to live.

    Bonus points: if you add live worms to this mix it will help aerate and loosen up your mix. Worms can even be used in potted containers - they do no harm to your plants, and will help maintain healthy soil.

    Worms will make your organic super soil even better for your marijuana plants

  5. Mix one last time before you start growing!


Start Growing with Composted Super Soil!

Now that you have your composted super soil, it's time to get started! Luckily for you this section is pretty short because there's not much that you need to do other than water your plants!

What type of water to use?

When growing cannabis with composted super soil, you want to use a clean source of water. You don't want to use distilled water, as it can mess with the soil ecosystem, but most sources of water should be okay as long as the pH isn't very high or low. If the pH of the water is far outside the 6-7 range, it can disrupt your soil cycle. So if you have very hard water, or the pH is off, you either need to use a different source of water just be on the lookout for nutrient deficiencies. If you run into nutrient deficiencies with super soil it often means you need to correct the pH when you water.

What You Will Need

  • A place to grow (indoors, outdoors, your closet...)
  • Grow light (or a spot with direct suntlight outdoors)
  • Super soil (make it or buy it)
  • An equal amount of regular soil without amendments (such as Fox Farms Happy Frog soil or Roots Organic Soil

1.) Choose the container you plan to use (where you will plant your seeds).

I personally am a huge fan of smart pots, which are containers made out of fabric. Plants grow faster in smart pots than traditional hard-side containers because roots thrive on oxygen and they let air in from the sides.

The air from the sides also prevents the roots from "choking" themselves or wrapping around the edges of the pot, so a plant grown in a smart pot won't get rootbound!

Another cool thing is you use a smart pot exactly the same as a regular pot, and still get those benefits.

The main difference is they dry out faster than traditional pots, so you want to get a container that's about twice the regular recommended size so you don't end up watering your plants all the time when they get big! 

Root pouch - fabric plant container for growing weed - get yours on!Get Smart Pots for growing cannabis at!Viagrow fabric pot - although there are different brands of fabric pots, they all work great for growing marijuana


2.) Fill your container with 1/2 super soil, 1/2 regular soil

You will need not only your super soil but also an equal amount of regular organic soil, especially if you plan on putting your seedlings directly into the soil. 

Fill bottom half with super soil, top half with regular soil

Fill your pot with super soil halfway, then top off with regular potting soil

Fill the bottom 1/2 of your pot with your composted Super Soil mix, then fill the rest of your container with regular soil. Any organic soil should do at long as it hasn't been amended with extra nutrients.

The top “untreated” soil is situated at the top of the container so you do not burn young plants or clones with too high levels of nutrients. However, once their roots reach down to the super soil, the plants will be mature enough to use the rich source of nutrients without worrying about nutrient burn.

Even if young plants do get a little nutrient burn, they will soon grow out of it so don't stress as long as your plants are growing fast and healthy! It just means you gave them too rich of a "diet" before they were ready :)

These cannabis seedlings are growing in super soil under an HPS grow light


3.) Germinate your seeds -

Of course make sure your garden is ready first! You've chosen a place to grow, you've got your pots and soil, and your grow light is set up, right? 

Ok! Time to put your seeds (or clones) into their new homes! But where to get seeds? 

You may be surprised to learn that because of the customs laws in America, it is actually reliable and safe to buy your cannabis seeds online from a reputable seed bank, as long as you purchase your seeds from outside the US and get them shipped in through customs (sending seeds from one place to another in the US can get you in big trouble though!).

Although each of these cannabis seeds look different, they're all viable!


4.) Water your Plants

Now that you have seedlings, your main job is to water your plants as needed  and provide plenty of light.

When growing cannabis outdoors, plants will naturally start flowering in the fall. When growing cannabis indoors, you will need to switch your grow lights onto a new light schedule to start making buds.

For indoor growers, once your plant is half the final desired height, it's time to initiate flowering by putting your lights on a 12/12 schedule so they're getting 12 hours of light, and 12 hours of uninterrupted darkness every day. At that point they'll start making buds, and you're just waiting until harvest time!

Main-lined Ace of Spades - by Nugbuckets



What about my pH?

When using liquid cannabis nutrients, it's important to manage and maintain the pH at the root zone to make sure that nutrients are easily available to plant roots. Liquid nutrient systems deliver nutrients in their most basic form, but as a result you need to take care of the root zone to make sure plants are able to access these nutrients in the soil.

But, you usually don't need to manage pH in organic super soil!

When using composted super soil, you generally don't need to worry about managing pH. This is because you've created a "living soil" which will deliver nutrients directly to your plant roots. 

Don't use PH UP or PH DOWN when growing marijuana in organic super soil, or you may harm the beneficial organisms in your soil!

When growing organically, the old saying "if it ain't broke don't fix it" is a good motto to go by. If your plants look healthy, don't do anything!

If you are noticing nutrient problems and you discover the root pH is way off, it's possible you may need to adjust the pH using an organic source for pH management. But it's important to avoid using chemicals that could possibly damage your soil ecosystem that is essential to getting the most out of super soil. 

However, nutrient problems caused by pH are rare in composted super soil unless you've started with a bad water source that's throwing the pH off by a lot.

What causes pH problems in organic super soil?

  • There's some sort of problem during the composting process (for example if not enough water was added to allow beneficial organisms to colonize the soil)
  • Your water has high levels of contaminents affecting your water pH (for example if the pH of your water is outside the 5-8 range, or has a PPM above 400).

In organic growing you are creating "living soil" which means you manage the soil instead of the plant. You need to care for the microbes, fungi and other beneficial organisms in the soil so they can break down nutrients and deliver them to your plant roots, just like in nature. 

These organisms work as the "middle man" to care for all your plant root's needs. As long as you take care of the soil's ecosystem, you will almost never need to worry about pH in your super soil grow.

 (don't accidentally kill all your beneficial microbes!)

Marijuana plant grown in organic super soil in a smart pot



Cannabis grows like a weed in the wild...
Super soil makes your cannabis grow like a weed in your garden!

Cannabis grows like a weed in the wild... Super soil makes your cannabis grow like a weed in your garden!