Guide to the Best Fertilizer for Monstera Adansonii


Discover the best fertilizer for Monstera Adansonii and learn how to keep your plant thriving with our comprehensive guide.

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So, you’ve finally got your hands on a Monstera Adansonii, the vining plant that’s been making waves in the indoor gardening community. But now you’re faced with an important question: what is the best fertilizer for Monstera adansonii?

Fret not! This post will break down the process of understanding your plant’s nutritional needs, selecting between organic and synthetic fertilizers, and how often to add essential nutrients so you can provide the perfect fertilizer for your Monstera adansonii.

We’ll also explore how often to add these essential nutrients to keep your Swiss Cheese Plant thriving. In short, by the end of this post, finding the best fertilizer for Monstera adansonii will be as easy as pie!

Need a quick answer?

My top pick for Monstera fertilizer is LiquiDirt. The beauty of LiquiDirt lies in its ease of use – just mix it with water, and you’re good to go!

Monstera Adansonii on a moss pole

Choosing the Right Fertilizer for Monstera Adansonii

Your Monstera Adansonii deserves the best care, including choosing an appropriate fertilizer. A blend of Nitrogen, Phosphorus, and Potassium in the proportions will help your Monstera Adansonii thrive without overloading its roots.

Understanding Monstera Adansonii’s Nutritional Needs

The tropical plant, known as the Swiss-cheese plant or Monstera Adansonii, has specific care requirements to flourish.

This includes a preference for slightly acidic soil with good drainage, high humidity levels, and warm temperatures. But that’s not all; it also craves regular fertilization during its growing season for optimal growth.

close up leaves of Monstera Adansonii
Buy Your Own: Beautiful Monstera Adansonii

Importance of Nitrogen for Lush Foliage

Nitrogen is an essential nutrient that promotes lush green leaves in your Monstera plants by aiding in chlorophyll production. Lack of nitrogen can lead to yellowing leaves, indicating your plant may be begging you for more.

Role of Phosphorus for Healthy Root Development

Besides foliage, strong roots are vital too. That’s where phosphorus comes into play; it helps stimulate root development and enhances flowering potential.

Potassium for Overall Plant Health

Last but not least on our list is potassium! This crucial element contributes significantly to keeping your Monstera healthy by strengthening its resistance against diseases and stress factors such as low light or temperature fluctuations within indoor environments.

LiquiDirt for Monstera Plants

My top pick for Monstera fertilizer is LiquiDirt. This nano-powdered nutrient system provides a balanced diet for indoor plants, including our beloved Swiss cheese vine. The beauty of LiquiDirt lies in its ease of use – just mix it with water, and you’re good to go!

liqui-dirt fertilizer for houseplants

Worm Castings as an Organic Fertilizer Choice

If you prefer organic options, consider using worm castings. These are rich in nitrogen, which promotes lush foliage growth – exactly what we want for our Monsteras. You can easily find quality worm castings on Amazon.

bag of worm castings

Fish Emulsion for Indoor Plants

You can fertilize a Monstera plant with fish emulsion. Fish emulsion is a liquid organic fertilizer made from fish byproducts, such as fish waste and parts. It is a rich source of nutrients, including nitrogen, phosphorus, potassium, and trace minerals, making it beneficial for plant growth.

It has a strong fishy odor smell, which can be unpleasant for me, but I promise it is worth it! The smell will disappear quickly. I just make sure to open our windows, minimizing the smell. 

In my opinion, Fish Emulsion fertilizer is the best overall fertilizer for houseplants because it contains nitrogen, phosphorus, and potassium to help your plants grow healthy and strong. Plus! It is all-natural, which means no nasty chemicals around your living space! The downside is that it has a fishy odor, so if you cannot handle that, don’t buy it.  Check out this blog post to see why it is my favorite houseplant fertilizer!

fish emulsion fertilizer

Timing and Frequency of Fertilizing Your Plant

Your Monstera Adansonii, like any other houseplant, needs regular feeding to thrive, but how often should you fertilize it?

Monstera Adansonii typically grows from spring through early fall, so it’s like a hungry teenager during those months! During the active growing season, which typically occurs in spring and summer, you can fertilize your Monstera plant every 4-6 weeks.

When the plant is not actively growing in fall and winter, reduce or suspend fertilization. The plant’s growth slows down during this time and doesn’t require as many nutrients.

If your Monstera plant is planted in newly refreshed, nutrient-rich soil, it may require less frequent fertilization. However, if it is growing in older soil or a depleted potting mix, you may need to fertilize it more often.

Make sure you pay attention to the condition of your plant. If it appears healthy and produces new growth, you’re likely providing the right amount of fertilizer, light, and water. If the growth is slow or the leaves are turning pale, you may need to adjust your fertilization schedule.

Signs Indicating Too Much Fertilizer

A word of caution, though: always start with less than recommended on the package instructions. Excessive fertilization could be detrimental to your plant’s roots, potentially causing a decrease in growth or even death. It is better to under-fertilize than over-fertilize.

While your Monstera loves a good meal, overdoing it can lead to more harm than good! A common sign of fertilizer burn is brown or yellow leaf tips and stems. In short: when in doubt about whether or not to feed… hold off.

How to Fix Over-fertilization

Don’t be alarmed if you spot indications of over-fertilization on your beloved plant. You can take action quickly to avoid a potential catastrophe.

  • Rinse your plant’s soil thoroughly with clean water. This gives your plant a refreshing shower to wash away the excess salts from the fertilizer that could harm its roots.
  • Cut back on future feedings until your plant recovers, and return to your regular watering routine.
  • If necessary, repotting into fresh potting soil may help restore balance and give your green friend a fresh start.
Key Takeaway: 

To keep your Monstera Adansonii healthy, fertilize it every 4 to 6 weeks during its active growth periods. Be cautious not to over-fertilize, as this can lead to fertilizer burn with brown or yellow leaf tips. If you notice signs of over-fertilization, rinse the soil thoroughly and cut back on future feedings until your plant recovers. 

Monstera Adansonii yellow leaf with brown tip

Organic vs. Synthetic Fertilizers For Indoor Plants

The world of plant fertilization can be divided into two main camps: Organic and synthetic fertilizers constitute the two main camps in plant fertilization.

Each type has its own set of advantages and drawbacks, making the choice largely dependent on your specific circumstances.

The Difference Between Organic and Synthetic Fertilizers

  • Organic fertilizers, derived from natural sources like plants, animals, or minerals, are known for their fast absorption rate into the soil composition. This quick action often yields immediate results, which can be a boon when looking to boost growth quickly.
  • Synthetic fertilizers (such as miracle-gro tropical houseplant food), on the other hand, are man-made compounds that take longer to break down but offer a steady nutrient release pattern over an extended period of time.

Benefits of Organic vs. Synthetic Fertilizers

The slow-release nature of synthetic fertilizer makes it an ideal long-term feeding solution, especially for larger mature specimens requiring substantial amounts of nutrients to sustain vigorous growth rates and maintain a healthy appearance year-round despite seasonal fluctuations and environmental conditions indoors.

In contrast, organic options might provide quicker results but may need more frequent application due to their rapid breakdown in soil environments.

Always remember not all tropical plants will respond similarly to these types. It’s always advisable to test different products before settling on one that works best with your Monstera Adansonii.

FAQs about The Best Fertilizer for Monstera Adansonii

What fertilizer for Adansonii?

A balanced, water-soluble fertilizer like a 20-20-20 NPK ratio is ideal for Monstera Adansonii. No pesticides or harmful chemicals, please.

What is the best fertilizer for Monstera?

The best Monstera plant food would be an organic-based, slow-release granular type such as LiquiDirt Plant Food or Fish Emulsion.

What is the best fertilizer for Swiss Cheese Monstera?

Worm castings are highly recommended for Swiss Cheese Monsteras due to their rich nutrient content. Check out our guide on Swiss Cheese Monsteras Care for more info.

Should you fertilize Monstera adansonii?

Regular feeding during the growing season (spring and summer) helps maintain its vibrant foliage.

What is liquid fertilizer?

Liquid fertilizer is a plant fertilizer that comes in a liquid form, typically in a concentrated solution. It contains essential nutrients that plants need for healthy growth and development. The liquid form allows easy application and quick absorption by the plant’s roots.


Understanding your Monstera Adansonii’s nutritional needs is crucial for its growth and health – it’s like knowing the secret recipe for plant success!

Nitrogen is the superstar that promotes lush foliage, while phosphorus is the root development MVP, and potassium is the all-around plant wellness guru. Regarding fertilizers, options like LiquiDirt or worm castings can be like a gourmet meal for your Monstera Adansonii – they’re packed with beneficial nutrients!

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