Fertilizers can be an integral part to the growth of your cannabis plants. Many different things can act as fertilizers to some degree, but you can just buy certain packaged fertilizers at your local garden center. In general, fertilizers will have three key ingredients that are vital to the health of your plant: nitrogen, phosphorous, and potassium. These are represented by their elemental symbols of N, P, and K respectively. In fact, on most commercial fertilizers, you’re going to see an NPK ratio listed on the bag (e.g. 20-20-20). This will clue you into to exactly how much of each element is in that particular fertilizer.
Different fertilizers work better at different times in the plant’s life cycle. At the very beginning of the sprouting stage, you probably won’t need any strong fertilizers and can probably just get away with using peat plugs or potting soil. In fact, you won’t really need a high-quality fertilizer until you get to the vegetative growth stage. In this stage, the plants will require an added boost of nutrient content to ensure that they are growing and producing at the right rates. For plants that are in a vegetative state, it’s important to use a fertilizer that has an even NPK distribution of 20-20-20. This will provide the plants with an equal amount of each of the three core nutrients.
It’s important to note that indoor growers will probably want to dilute the solution a bit before using it on their plants. That’s because indoor plants do not generally respond well to such a large infusion of nutrient content. Indeed, it is definitely possible to go a little bit overboard with your fertilizer. If you can scale back each of the nutrients by about 20%, then you should be okay.
Later on in the plant’s lifecycle, you are probably going to want to change the fertilizer just a bit. Indeed, during the flowering stage, the plant thrives more readily with an NPK ratio of 10-30-10. This is because phosphorous helps with the production of buds and flowers to ensure an optimal yield. There are other nutrients that the plant uses that can also be found in these fertilizers. Such nutrients include calcium, sulfur, magnesium, and many more. Although these help with certain processes inside the plant, they are not quite as vital as the three core nutrients. If a plant starts to show signs of malnutrition, it could be time to infuse the fertilizer with more of a certain kind of nutrient.
Overall, it is important to remember that nutrients act just like food for marijuana. In fact, you could say that the plants “eat” the nutrients in order to thrive. Without proper nourishment from the fertilizer, the plants will not produce a desired outcome. Indeed, a lack of proper nutrient intake can manifest itself on the outside. Plant leaves will start to show burnt tips and the amount of growth will appear to cease. If you want the best crop, it is important to use the best fertilizers at the right times.
Read more about fertilizers for marijuana
Want to start and grow marijuana yourself? It can be a great experience to 'feed' your own plants. It begins with buying quality seeds. We have selected some of the best strains for you.