Types of fertilizers for plants: how to choose the right one

The arrival of spring is an ideal time to nourish our plants. A way to help them recover after the cold of winter and, at the same time, to prepare them for the time of greatest wear. For this reason, knowing the different types of plant fertilizers is the best way to give each one of them what it demands. A way to get the right fertilizer to know best nutrient line for cannabis so that this nutritional supplement redounds positively in the health of the plant.

Beyond knowing the types of plant fertilizers, it is important to consider that in general a healthy plant does not need a fertilizer. Younger plants or those that are in development do need it, since in both cases an additional nutrition will be more than welcome. However, we cannot overdo it. Whatever the type of plant fertilizer, we must always administer it in a punctual manner and following the instructions of each product to the letter. Otherwise, we can make the mistake of burning the plant.

So, beyond knowing the differences between liquid and solid fertilizers, today we want to delve a little deeper into the different types of plant fertilizers that exist. A way that, when you have to choose the most suitable one for your plants, you do it correctly.


To enrich both the garden and its inhabitants, we have a number of types of plant fertilizers to choose from. Some of them are adapted, in many occasions, to certain situations or, even, to the own characteristics of each plant. Beyond this, the types of plant fertilizers that exist are included in two: organic fertilizers and mineral fertilizers.

These are two different fertilizers, mainly due to their origin, which should be known more thoroughly before deciding on one or the other.

Organic fertilizers

As its name suggests, it comes naturally. They are created by natural products and are the most environmentally friendly. Their main advantage is that, in addition to fertilizing the plant, they enrich the soil in which we use them. In spite of this, they have a small disadvantage: they are low in nutrients. This means that we must either use more of them or supplement them with mineral fertilisers.

The main organic fertilizers we usually use are manure, compost, humus or peat. Beyond their goodness as fertilizers, these types of plant fertilizers are also fantastic for leveling out the garden terrain or creating a rich bed for our plants, trees or shrubs.

Within this group we could also contemplate the fertilizers of algae extracts. Some of them are considered ideal for certain situations, because of their great amount of nutrients. This type of fertilizers for plants are perfect to replace them in a fast way of punctual aggressions like the drought, the plagues or the acclimatization when arriving at house.

Mineral fertilizers

This is the name given to the types of plant fertilizers created specifically for each plant. Formulas in which the presence of nitrogen, phosphorus, potassium and other key elements is balanced in a laboratory. In addition to minerals, this type of plant fertilizer also contains inorganic substances that further enrich the formula.

One of their main advantages is that they help maintain the fertility of the soil in which they are applied. But, in addition to this, there is another one: they are the ideal answer to fertilize the plant in compromising or stressful moments. Since the formulations are specific, these types of plant fertilizers will be nourishing it with what it needs both because of its plant characteristics and because of the environmental circumstances.

In addition to this aspect, their versatility of application makes them ideal for us. Liquid, granulated, in sticks or water-soluble: we choose the most suitable format for us and our plants.


Once we have discovered the different types of plant fertilizers, let’s go a step further. There are many that, either because of the type of soil in which they live or because of their specific needs, require a certain fertilizer. A fertilizer that helps them stay healthy and strong, providing them with the necessary nutrients.

Although the range of fertilizers for plants is enormous, since we can even find specific ecological fertilizers for gardens, let’s see the five most common ones. Five types of fertilizer for five different types of plants.

Also suitable for shade plants. Among the care of hydrangeas is the demand for an acidic soil. A fundamental requirement for the life of these plants but also for their flowering. In this case, the high concentration of nitrogen and potassium being the latter vital: it helps protect the plant from diseases.

And, beyond these types of plant fertilizers, there are many more. Some are designed to meet the needs of each plant family.