Do you grow cannabis in pots? Potting is a popular option in cannabis as well as horticulture in general, both indoors and outdoors. In cities, where it is difficult to have a piece of land, pots are often the only option; although they are also a very popular alternative among growers who have an orchard or garden because of the advantages they offer compared to growing in soil. While potted plants require more dedication and attention, the reward will be a crop that is richer in terpenes and cannabinoids.

Why grow pot in pot? Advantages and disadvantages of growing in pots

indoor growing plants

Advantage

One of the main advantages of growing in pots is the possibility of handling and moving them comfortably, which will allow us to protect our plants from storms, extreme sun or prying eyes when we grow outdoors. If we grow our plants directly in the soil, they will be more exposed to extreme climatic conditions, which could completely ruin months of work. Growing in weed pots will also make it easier for us to move the plants to carry out training, pruning, transplants… both outdoors and indoors.

If we are growing on a balcony or terrace, another advantage that the pots offer is the possibility of limiting the size of the plants. A great help in maintaining discretion!

Finally, it is worth noting the saving in irrigation and fertilizers that cultivation in pots entails, since water and nutrients will be more available in the substrate, so that the plant can absorb them. On the contrary, if we grow directly in soil, the food that we provide to our plants will spread throughout the substrate, making it less accessible to the plant, so that it will not be able to take advantage of it with the same efficiency.

One of the main advantages of growing in pots is the possibility of  handling and moving them  comfortably, which will allow us to  protect our plants  from storms, extreme sun or prying eyes when we grow outdoors.

Disadvantages

Being able to control plant growth based on pot size can also be a problem and result in poor harvests. On the other hand, the ease of transportation provided by the pots can be of great help to marijuana thieves; unfortunately not a rare practice. Chaining the pots between them or to an external element, can be a good system to avoid thefts.

Of course, if we cultivate directly in soil, our plants will experience a greater growth, with which we will obtain much more abundant harvests ! This is because the microbial life of the soil is much richer, providing greater health and protection to the root system. In addition, thanks to the large amount of available substrate the roots of the plant can grow and expand more freely.

Finally, it should be noted that when growing in pots we must provide a series of special care for our plants. Unlike growing in soil, with pots we cannot trust to sow and forget about our plants, hoping to get decent buds… However, if we give them the proper care, the crops that we will get growing in pots will remarkably enjoy a greater richness in terpenes and cannabinoids!

Specific care for growing in pots

plans stacked in POts

Next, we tell you in a clear and concise way, the basic specific care to take into account when starting to grow marijuana in pots.

Choosing the right pot size is vital! Too small a pot will affect the growth of the plant. On the other hand, if we place our plant in a too large pot, we will waste money and resources on fertilizers and irrigation since the plant will not be taking full advantage of all the nutrients and moisture present in the substrate. Also, a pot that is too big will considerably increase the weight of your plants, making it difficult to transport them.

A quality substrate is the first factor to consider for healthy cultivation! Among the great variety of substrates that exist, the most used for their excellent qualities and ease of handling are soil mixtures (in this article in our blog we make an analysis and comparison of the types of substrates most indicated for cannabiculture). The lands specially designed for the cultivation of marijuana, such as the Monkey Soil, Canna  or Plagron brands, have the composition and characteristics suitable for an abundant and quality marijuana harvest. Among all of them we highlight Monkey Soil Eco Indoor  and Monkey Soil Eco Outdoor, specially developed for organic crops.

When we grow cannabis in pots, the amount of substrate that supports and feeds the plant is less than when it grows directly in the ground. This, in turn, limits the amount of available nutrients and water with which we will have to fertilize and irrigate frequently to avoid deficiencies, as well as change the land at the end of each crop (also due to the residues of fertilizers and phytosanitary products that may remain ).

When growing in pots, drip irrigation is the best option to ensure that plants receive a constant and stable amount of water, avoiding both excess and under-irrigation.

In outdoor crops in hot areas, the color of the pots is a factor to consider. If they are white, they will reflect the sun’s rays and the interior of the pot will stay cooler. On the contrary, if the pots are black and we leave our plants in full sun with high temperatures (a very common mistake), the interior of the pot can reach 50 oC! seriously damaging the roots of the plant.

In outdoor crops in hot areas, the  color of the pots  is a factor to consider. If they are white, they will reflect the sun’s rays and the interior of the pot will stay cooler. On the contrary, if the pots are black and we leave our plants in full sun with high temperatures (a very common mistake), the interior of the pot can reach 50 oC! seriously damaging the roots of the plant.

Transplanting your cannabis plants

A particularity of pot cultivation is the transplants that will have to be carried out throughout the life cycle of the plant. When we do a transplant, we want to minimize the stress suffered by the plant, so that the change affects it as little as possible. A root stimulator will help protect the roots from transplant bumps. Always avoid using fertilizers in these first weeks as you could burn your plants! A good soil already contains all the nutrients they need, at least until the third month.

Here we tell you how to perform a good transplant in 5 easy steps :

  • We fill the new pot with substrate, only two thirds of its volume.
  • With our hands we arrange the soil in the pot to create a mold, where we will place the plant that we are transplanting.
  • Next, we will proceed to extract the plant from the pot. We must be very careful in this step so as not to damage the delicate roots of our young plant! A good way to proceed is to tap the walls of the pot gently to allow air to enter and thus break the vacuum. In this way, the substrate will come off easily from the pot and we will be able to remove the whole plant en bloc, including substrate. It is very important not to pull the trunk of the plant as we could damage the main root!
  • Now, we can already place the plant in the substrate of the new pot, in such a way that it fits in the mold that we made at the beginning. It is recommended to moisten the walls of the mold of the new substrate to attract the roots and that they cling to the new medium as soon as possible.
  • We have just filled the holes in the pot with substrate, slightly pressing the surface layer of the pot. And we already have our transplant done with the minimum stress for our plants!

It is important that the first pot you use, once the seeds have germinated, does not exceed 2 L of capacity (0.5 L-1 L is ideal). In this way, the plant will take full advantage of the nutrients and moisture present in the substrate. From now on, we will carry out a series of transplants every time the plant reaches twice the size of the pot, this indicates that the roots have already invaded the entire substrate.  The first transplant will be in a 3.5 L pot ; then 7 L ; we will continue with an 11 L, and we will end with a 30 L – 50 Ldepending on the size of the plant. For this last transplant, the plastic container pots that we will see next are suitable. Growing autoflowering varieties, it is preferable to use the same pot throughout the crop, due to its short growth period and small size. The usual thing is to use a pot between 11 L and 22 L.