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what soil for growing weed

What soil for growing weed

You can mix in a couple of ways. The first way, which is not recommended, is to simply mix everything together in a pile. Such a rushed approach will not permit the ingredients to blend properly, so we recommend a more layered and methodical strategy for the best results. Here is everything you’ll need to do in 12 steps:

Composting your own soil is an investment that may reward you in both quantity and quality when harvest time arrives. To get started you’ll need:

You may know that organic soil is optimal for growing cannabis , but do you know about the benefits of super soil? This type of potting soil is not only organic but it also infuses your plants with a wealth of nutrients that ordinary soils may not offer.

How to grow weed with super soil

For a slight twist on the standard super soil recipe above, consider Subcool’s. This popular recipe has been around for more than two decades and is known among organic cultivators as one of the best mixes for growing top-shelf marijuana . Rock phosphate and humic acid are two notable components in Subcool’s recipe. To make a large batch of your own Subcool super soil, you will need the following ingredients:

Soil is a substrate designed to infuse plants with every essential nutrient they will need throughout their life cycle. Photo by: Gina Coleman/Weedmaps

Why should I use super soil for growing cannabis?

There are many benefits to using super soil to grow marijuana. Here are a few of the top reasons why this soil could kickstart your cultivation :

The next part of the process is composting, which will require up to 60 days to complete. Take a week to continue mixing the ingredients until they are fully blended and you don’t see any more pockets of color. The mixture should be an even earth-tone brown.

What soil for growing weed

This plant is growing in Fox Farm Ocean Forest Soil

Good Cannabis Soil
Another light, rich soil mix with great drainage. Although there is a wood chip in this picture, for the most part the mix is completely composted and broken down. It’s normal to see some wood pieces in composted soil, but you don’t want to have to wait for a lot of wood to break down while your plants are growing – you want all that rich nutrient goodness to be readily available to your plant roots

Their Ocean Forest soil mix is “hotter” soil (higher levels of nutrients) that contains ingredients that cannabis plants love, including earthworm castings, bat guano, fish meal and crab meal. The nutrients contained in the soil will provide everything your plant needs for several weeks. Although it might give young seedlings just a touch of nutrient burn at first, they can be started in Ocean Forest soil and will soon be able to use the nutrients and start growing quickly. Some growers might put a little big of Happy Frog on top of a container of Ocean Forest, just to make it a little more gentle for seedlings the first week or two.

Fox Farm Ocean Forest Soil


Recommended soil nutrients:

Coco Coir

Example of “Good” Cannabis Soil Ingredients


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.