Marijuana Soil Selection


Starting to grow marijuana seems a bit difficult, whether you are planning to grow a small pack of cannabis for your personal use, or you are planning on growing a train for commercial cannabis growers. There are so many things to consider when you are planning to set up your system in growing and cannabis could be a little bit of an unsteady plant. If you can’t afford a hydroponic growing system or your space is limited, there is no reason to stress out. Growing cannabis in soil is a perfect alternative and seems to be more cost-effective and simple for the newbie growers. Running to your local big-box store home renovation center might monitor you down the wrong class. In order to be successful in growing cannabis, you must become an aficionado of marijuana soil selection and learn to distinguish what your cannabis plants are looking for and what they are going to suffocate them. In this article, we will feature the best soil for cannabis, which is the best soil for outdoor weed, the best soil for indoor growing, and soil mixtures for cannabis plants. 

Important Cannabis Soil Considerations

  • Water Retention
  • Texture
  • Drainage Ability

 Water Retention, Drainage, and Texture

It is really easy to get swept up worrying about what nutrients and changes are in the marijuana soil, and they’re important, however, the most important aspect of soil is its texture, its ability to drain water, and its overall ability to hold water. In order to develop and thrive a marijuana plant, it needs a strong combination of both oxygen and water at its roots at all times! Too much water and plant roots just couldn’t get enough oxygen but, on the other hand, if there wasn’t enough water retention, roots could get hurt from drying out too fast. What is best achieved for growing marijuana is a soil with a light texture which is good for water retention, but not much.

Signs of Good Marijuana Soil

  • Holds water without being muddy
  • Drains well 
  • Loose texture
  • Appears dark and rich

Perfect Marijuana Soil Mix 

Loam soil is the best soil to use. It’s a blend of clay, humus, and sand. The mix between clay and sand makes it possible for the marijuana soil to hold any water but not much. This composition includes humus, which includes manure and organic fertilizer. Loam could be purchased from any store and is also the cheapest part of your production. 

Marijuana Soil pH known as the power of hydrogen that determines the acidity and alkalinity of the soil. Soil pH varies from 1.0 to 14.7. The pH of 0 is deemed to be the most acidic, while 14 has been the most alkaline. The pH value of 7.0 is neutral. Marijuana produced hydroponically must keep up a pH range of 5.5-6.5. Whenever the soil becomes too acidic, the mixture of calcium is added to the soil to sustain the marijuana soil pH.

There are three major nutrients your marijuana plant needs are phosphorus,  potassium, and nitrogen. Each of them plays a major role based on the stage of growth of the plant.

Marijuana Soil Nutrients

Nitrogen (N) – it is a nutrient used by plants for cell reproduction. Responsibility for growing the stem and leaves of the plant. Plants are using nitrogen. Plants need to have more nitrogen than flowering plants. .When buying soil, look at the percentage of nitrogen, potassium, and phosphorus. The ideal ratio will be 20:20 and 12:12:12. A plant with yellow leaves might show a deficiency

Phosphorus (P) –  another nutrient is required for photosynthesis. Phosphorus is required for seedling, germination, and flower production. A slow growth implied a deficiency of Phosphorus. Pay attention to the looks of the leaves. The leaves sometimes have a dark green color with brown wisps.

Potassium (K) – it’s needed all the life of the plant. Potassium is in charge for the synthesis of carbohydrates and cell growth. Potassium regulates the production of chlorophyll and helps to keep the stomata open, maximizing the absorption of light, nutrients, and water by plants. Potassium deficiency includes leaves with a dull glow and young leaves with yellow tips that gradually turn brown.

Best Soil for Outdoor Weed

What’s the best soil for outdoor weed cultivation? The concept of “you are what you eat” applies to both people and plants. That’s what makes soil so essential for the cultivation of high-quality marijuana plants. The healthier the soil, the greater the harvest.

So what makes the soil of greater quality? When you hold it in your hands, it’s supposed to feel fluffy. It must be able to flush well, which already has a lot of nutrients. If you use large pots to plant cannabis seeds, you will have a simpler way of controlling the quality of the soil. You could use things like manure or store-purchased fertilizer to construct a fertile and rich base – perfect for planting. If you’re planting in the soil instead, you’ll need to start preparing and test the soil to ensure it’s amenable to growing your marijuana plants.

Best Soil for Indoor Grow

Below are some of the best soil for indoor growing of marijuana:

  • FoxFarm FX14047

Contains a mixture of microorganism and fungi to nourish your plant. This is also instantly developed to be at the right marijuana soil pH level for your cannabis plants so that they could still make the most of this scrumptious soil as it significantly increases their nutrient absorption. 

  • Nature’s Living Soil 25 Gallons

The main point to remember with this soil is when you’ve planted your cannabis seeds, you didn’t have to add some extra fertilizers, because it’s completely full of microbes which would generate all you need, by just adding water. You’ll need to add a few potting soils to this product even if it is a potent variety, and once you’ve done that if you’re off and shortly you’ll see amazing results when planting photoperiod strains.

  • FoxFarm FX14000

This excellent soil is designed for indoor-grown plants inside containers, making it a great choice for small-grown or growing-grown weed growers. With pH-adjusted soil, you will get the most out of the fertilizers you use to help increase growth. This, paired with worm castings, guano, and aged forest products found within soil, as well implies that your plant will have all the nutrients needed within the limits of its pot. Shortly you will grow several of the best-tasting pots around.

  • Fox Farm Coco Loco

Coco Loco soil mix could be used if planting cannabis seed when it does not get too ‘hot’ as certain nutrient-rich potting soils do. Some cannabis growers suggest mixing this and the Happy Frog potting soil for the ultimate perfect environment for your cannabis plants. It has good retention of water for plants and provides water and soil for your marijuana. 

  • Mother Earth Coco Plus 50L

Though perhaps not technically accurate marijuana soil, this mixture does provide two basic components for creating the perfect soil mix for your marijuana plants, particularly when paired with the recommended soil mix above.


When growing marijuana indoors or outdoors the great way to help with the success of your crop is to grow it in marijuana soil and would help your cannabis plant to thrive and also give an excellent outcome. As you can see from this article, there are a lot of soil mixtures on the market that do have the right mix of nutrients to ensure your cannabis plants get what they want and need to thrive. 

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