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best soil for growing marijuana

Weed plants will need full, direct sun for at least 6 hours a day. You may have a backyard, but it might not be great to grow there if it doesn’t get full sun every day.

However, plants grown in pots, buckets, or barrels will likely be smaller than those planted in the ground because their root growth is restricted to the size of the container. In a broad sense, the size of the pot will determine the size of the plant, although it’s possible to grow large plants in small containers if proper techniques are used.

Sunlight

Once you have an understanding of the climate in your area, you’ll need to consider a few things before planting your weed.

Buying the right soil for an outdoor cannabis grow

It’s fun and relaxing

Best soil for growing marijuana

Nugbuckets is a famous organic soil grower! Check out his plants!

Bad Cannabis Soil
Although this seedling is over a month old, it has stayed tiny. Its growth is stunted by the thick heavy soil that holds way too much water and not enough air. Note how some of the soil looks like one solid object.

Recommended soil nutrients:

What gets the best results for growing cannabis is a soil with a light texture that is good at retaining water…but not too much!

Kind “Super” Soil (Living Soil)

Some popular soil examples that I’ve used with good results include:

Bad Cannabis Soil
Cannabis soil should not have a whole lot of big visible wood chips in it. That means the soil hasn’t been fully composted, and all the nutrients and goodness in that wood is mostly unavailable to your plants.

Good Cannabis Soil
Rich and light composted soil. Since this soil doesn’t have a lot of perlite, it’s a good choice for a grower who doesn’t want to add a lot of extra nutrients or supplements in the water.

More About Common Amendments to Alter Texture, Drainage & Water Retention of Soil

Espona Organic Potting Mix is found in many stores in the US, and works for growing cannabis!

What should you look for in good cannabis soil?

Best soil for growing marijuana

Its ability to hold onto water will mean you wont need to water your garden as often. Water every few days for best results.

If you have an indoor cannabis grow set-up, you need the best soil for growing weed indoors. Our cannabis soil guide dives deep into the factors to consider when shopping for soil for pot plants including its drainage, water retention, and texture.

From Nature’s Living Soil, the Super Soil Original Organic Concentrate comes in a 1, 5, or 10 lb. bag. All you need to do is add your preferred organic potting media to complete your mix. It contains all organic ingredients that your plant will need to thrive.

4. FoxFarm Coco Loco Potting Mix

Keep in mind, the nutrients in your soil mix don’t last forever. At most, they can last a few weeks and require you to keep a close eye on any nutritional deficiencies or signs of overfeeding.

Mother Earth Coco and Perlite Mix contains 70% cocoa and 30% perlite. It’s a soil with an incredible porosity, texture, and high cation-exchange capacity.

FoxFarm’s Bush Doctor Coco Loco is a coconut coir potting mix meant to recreate the tropical jungle floor. Light and airy, it does this by incorporating layers of exotic coconut palm humus which can hold more than its weight in water while still retaining great drainage characteristics.

Choosing the Best Soil for Indoor Cannabis Gardens

The best soil for growing weed indoors includes an optimum mixture of silt, sand, and clay soil, known as loamy soil. Ideally, the mix should have about 40% silt, 20% sand, and 40% clay.

FoxFarm’s Happy Frog Potting Soil is ready-to-use for indoor and outdoor applications. Happy Frog potting soil features soil microbes such as mycorrhizae and humic acid to improve root growth and nutrient uptake.