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The 8 Best Fertilizers For Monstera of 2023

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When it comes to Monstera, fertilizer is essential for keeping your plants healthy, vibrant, and growing strong. Consider adding fertilizer to your diet as if you were adding all of the servings of fruits and vegetables with a stack of vitamins.

You should fertilize Monstera at least once every month with a balanced indoor plant fertilizer diluted to half strength, which is just one of the many things to keep in mind when using fertilizers.

We will provide fantastic fertilizer discoveries that gardeners and plant lovers may not be aware of. We also demonstrate some of our favorite Monstera fertilizers.

Best for Liquid Fertilizer: Miracle-Gro Indoor Plant Food (Liquid)

Miracle-Gro Indoor Plant Food
  • Brand: Miracle-Gro
  • Item Weight: 10.2 ounces
  • Item Form: Liquid

Product highlights

This liquid fertilizer is quite popular, many houseplant owners use it. And its effectiveness has been demonstrated throughout time. It is supposed to feed all indoor houseplants instantly. It can either be applied directly to the soil or mixed with water first. 

Because this is a liquid fertilizer, it is much easier to use than powder or granular fertilizers. According to reports, this substance can wake up plants that have been dormant for a long time with no new development. After roughly three months of use, you will notice how green and lush the plants are. The majority of clients are pleased with its effectiveness.

Because it has a ratio of 1-1-1, it is a weak fertilizer that won’t shock your plants and cause problems. You also don’t need to mix anything when you choose this. So it helps a lot if you are just starting out and don’t have plants that need special fertilizer.

The problem with this product is that it is not cost-effective if you want to feed all of your indoor plants at once and have several of them in your home. You will use it up more quickly due to its liquid texture, not a concentrated version that can be diluted more, and tiny sample size. We may say that it is generally a bit costly.

Pros

  • Easy to use compared to other forms of fertilizers
  • Highly efficient
  • Generally suitable for all situations

Cons

  • Not cost-effective
  • Small quantities, must be replaced somewhat frequently

Bottom line

Miracle-Gro liquid fertilizer is supposed to feed all indoor houseplants instantly. It can either be applied directly to the soil or mixed with water first. After roughly three months of use, you will notice how green and lush the plants are. The majority of clients are pleased with its effectiveness.

Best for Macronutrients: Osmocote Smart-Release Plant Food Plus Outdoor & Indoor

Osmocote Smart-Release Plant Food
  • Brand: Osmocote
  • Item Form: Granules
  • Item Weight: 1 pound

Product highlights

This is the only slow-release granule formula on this list, and it will not disappoint. Its usefulness has been demonstrated for hundreds of plant species in a variety of climates and soil types. Each pellet includes 15-9-12 NPK, as well as micro and secondary nutrients, and can feed for up to 6 months. It is believed to boost the growth of houseplants, also completely safe, as no fish or shrimp are killed.

Because it has a ratio of 1-1-1, it is a weak fertilizer that won’t shock your plants and cause problems with excess fertilizer. All you have to do is apply it once in a while and watch it thrive. Another noteworthy fact, it is one of the few products that are recommended by the local nursery.

Most of the time, the huge amount of the product lets you save a lot of money. The price is very good for what you get. Because the fertilizers work slowly, don’t be surprised if you don’t see results right away or at all.

Pros

  • Remain effects for a long time
  • Easy to use, safety
  • Cost-effective

Cons

  • The results are frequently delayed
  • Too big size

Bottom line

This is the only slow-release granule formula on this list, and it will not disappoint. It is believed to boost the growth of houseplants and is completely safe, as no fish or shrimp are killed.

Best for Professional Crops: SUPERthrive VI30179 Plant Vitamin Solution

SUPERthrive VI30179 Plant Vitamin Solution
  • Brand: Superthrive
  • Item Form: Capsules
  • Item Weight: 1 gallon

Product highlights

The fertilizers are highly concentrated and non-toxic, allowing your plants to thrive in no time. 

This SUPERthrive is necessary to sustain healthy landscaping, lush turf, and an abundance of leaves. It’s very useful for preventing stressed, mature plants from dying.

The good news is that this product does not have a strong chemical odor like other products, making it incredibly comfortable to use. This works especially effectively on fragile plants; if the plants aren’t growing well, these magical nutrients will help them recover swiftly.

You can use this product as your all-in-one option because it aids in every step of the growing process, including nourishing, planting, rooting, and repotting. However, you should just take its price into account. Even though you can dilute one teaspoon for a gallon of water, it is still not the best option if you are just starting to use fertilizers and don’t want to spend a lot of money on one buy. 

Pros

  • Pleasant, natural odor
  • Used for all stages of growing
  • Bring dead plants back to life

Cons

  • Pricey, not recommended for beginners
  • Bulky

Bottom line

Superthrive is an all-in-one fertilizer that aids in every step of the growing process, including nourishing, planting, rooting, and repotting. Even though you can dilute one teaspoon in a gallon of water, it is not the best option if you are just starting to use fertilizers.

Best for Budget: J R Peters 52024 Jacks Classic No.1.5 20-20-20 All Purpose Fertilizer

J R Peters 52024 Jacks Classic No.1.5 20-20-20 All Purpose Fertilizer
  • Brand: JR Peters
  • Item Weight: 1 pound
  • Item Form: Powder

Product highlights

This fertilizer works particularly well on foliage plants indoors. It feeds through both the roots and the leaves. With this formula of nitrogen, phosphorus, and potassium, plants quickly turn green and their leaves quickly expand.

When you begin using this, you will notice your plant growing rapidly. Your plants will sprout new growth after two weeks. The old yellowing leaves will look much better as well. It’s a terrific investment for gardeners because it promotes expansion and flowering in our yard.

Easy to use, it requires no further preparation, just dilute in water. After you put one scoop into a gallon jug, shake it up, and then water your plants with it, the effects on plants will remain for a long time. 

However, the most worrying aspect of this product is the price. With all of its advantages, it is simple to comprehend when something is a little more expensive than others. But we think you won’t be let down by its performance.

Pros

  • Easy to apply, easy to mix 
  • Work well on foliage plants
  • Boost plant growth quickly

Cons

  • The price is a little high
  • Too bulky

Bottom line

With JR Peters’s formula of nitrogen, phosphorus, and potassium, plants turn green, and their leaves quickly expand. Easy to use, it requires no further preparation; just dilute in water. The most worrying aspect of this product is the price. But we think you won’t be let down by its performance.

Best for Easy Use: Liquid Common Houseplant Fertilizers for Potted Planting Soil, by Aquatic Arts

Liquid Common Houseplant Fertilizers for Potted Planting Soil, by Aquatic Arts
  • Brand: Aquatic Arts
  • Item Weight: 8 ounces
  • Item Form: Liquid

Product highlights

This fertilizer has a 3-1-2 ratio, which helps to live indoor plants thrive in pots, holders, and hangers. Liquid fertilizer is well-known for its capacity to promote healthy growth and prevent drooping and yellowing better than granules or pellets.

The formula is one teaspoon combined with two glasses of water. It provides all of the necessary nitrogen, phosphate, and vitamins to promote root and bloom growth. In a month or so of feeding this fertilizer, your Monstera will become as powerful as it can.  It also has by far the nicest smell on our list. Which is a big plus for people who are sensitive to odor.

According to consumer feedback, there aren’t many buyers who are dissatisfied with this product. So it’s worth a go for all plant caregivers, including newbies.

Pros

  • Easy to use
  • Extremely effective
  • Lovely aroma

Cons

  • Small size, which must be refilled on a regular basis

Bottom line

The Monstera fertilizer has a 3:1:2 ratio, which helps live indoor plants thrive in pots, holders, and hangers. The formula is one teaspoon combined with two glasses of water. It provides the necessary nitrogen, phosphate, and vitamins to promote root and bloom growth.

Best for Nano Powder: Liqui-Dirt Nano Powder All-Purpose Organic Complete Plant Food

Liqui-Dirt Nano Powder
  • Brand: Liqui-Dirt
  • Item Form: Liquid, Powder
  • Item Weight: 1.41 ounces

Product highlights

Liqui-Dirt is an easy-to-use concentrated formula for watering your plants. Use this to help roots, stems, leaves, blooms, foliage, and the health of the plant as a whole grow and get more nutrition. It’s also safe for pets, fish, and reptiles to come in contact with it.

This is a great fertilizer for your Monstera. You’ll be surprised by how quickly it takes effect. The plant will be sitting up straight within several hours of using it and probably growing a little too much. After a while, you will notice the leaves perk up, turning green and vivid, with shining foliage, as many customers of this product have reported.

It’s good for your houseplants whenever you use the mix dilution of the formula. But there is one problem: the instructions do not specifically say how much water to add to the concentrate mix. So It can be hard to measure the mix for your plants every time. Also, the design isn’t perfect.

The packaging isn’t made of good materials, so it looks a little cheap, and the small-cap makes it hard to pour out the product. But even with all of these minor flaws, it’s still valuable and worth your money.

Pros

  • Easy-to-use powder
  • Accelerate plant growth
  • Highly efficient

Cons

  • Difficult to determine the ideal mix
  • Bad packaging with a small cap  

Bottom line

Liqui-Dirt is an easy-to-use concentrated formula for watering your plants. Use this to help roots, stems, leaves, blooms, foliage, and the health of the plant as a whole grow. It’s also safe for pets, fish, and reptiles to come in contact with.

Best For Organic: MARPHYL Organic Liquid Hydroponics Fertilizer

MARPHYL Organic Liquid Fertilizer
  • Brand: MARPHYL
  • Item Form: Liquid
  • Item Weight: 16.09 ounces

Product highlights

This fertilizer contains vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, and chlorophyll and is intended to replenish your soil on a regular basis to ensure the continued growth and beauty of your indoor plants and Monstera. For lush foliage, the formula is high in potassium, nitrogen, and phosphorus, as well as calcium and magnesium.

This fertilizer should be used by combining it in a 1:20 ratio with water. Many people commented on how wonderful it is to perk up the plants and see them become bushier rapidly. Gardeners will see that there is a lot of growth in the base of plants, not simply leaves or plants. They appear to be happier and less droopy.

However, you should be aware that the smell of this fertilizer is not appealing. It has a pretty stinky and yucky stench. Because of this, its effectiveness is so quick and deep that this fact may not bother you at all.

Pros

  • High in nutrients
  • Give fast and good results
  • Easy to mix

Cons

  • Bad smell

Bottom line

For lush foliage, the formula is high in potassium, nitrogen, phosphorus, calcium, and magnesium. The fertilizer should be combined in a 1:20 ratio with water. It contains vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, and chlorophyll.

Best For All Purpose: Indoor Plant Food (Liquid Alternative), by The Grow Co

Indoor Plant Food (Liquid Alternative), by The Grow Co
  • Brand: The Grow Co
  • Item Form: Granule
  • Item Weight: 5 ounces

Product highlights

Helps encourage strong roots, new growth, and beautiful leaves. It promotes strong roots, new growth, and gorgeous foliage.

The granular formula’s steady release, which is perfect for pots with bark, and sphagnum moss, feed your house plants for months at a time. It’s ideal for both advanced and novice plant care, and it’s simple to use: simply poke holes or sprinkle over your potting mix, water, and watch your plants bloom.

The advantage of this type of fertilizer over liquid fertilizer is that it will stay on your Monstera for months and supply nutrients for a long time, whereas liquid fertilizer requires you to remember when to use it.

However, be careful when handling the pellet because it can fall everywhere and your child or dog may mistake it for candy or food.

Pros

  • Simple to use
  • The effect can last for a long time

Cons

  • Be careful with children and pets

Bottom line

The granular formula’s steady release, perfect for pots with bark and sphagnum moss, feeds your house plants for months at a time. It’s ideal for advanced and novice plant care, and simple to use.

Why do Monstera need fertilizers?

Outside in nature, wild plants obtain essential nutrients from rainwater and the abundance of forest soil. But inside your lovely house, these plants need you to take care of part of their growth. Monstera is one to list. 

Although most potting soil is supplemented with nutrients, houseplants can get what they need from it at the beginning. However, after 6-12 months in the same pot and soil, Monsteras drain all available nutrients and run out of what they require to thrive. So, once your Monstera has reached a particular size, consider investing in fertilizers if you want it to thrive to the fullest.

Monsteras can also grow to be quite enormous, especially when grown indoors. Based on the size of the pot, indoor lighting, and access to nutrients, they can grow to be 6-8ft tall. Using a high-quality balanced fertilizer on Monsteras will result in a vigorous, life-loving plant.

How to buy the best fertilizers for Monstera?

It can be a little overwhelming to choose among the many fertilizer options for indoor plants, but shopping is simpler if you are aware of some basic information.

It’s critical to thoroughly read and err on the side of caution while following the instructions on the packaging. Whether choose organic fertilizers with low NPK values and keep in mind that many potting soils already include fertilizers by choosing fertilizers with low NPK numbers.

NPK ratio

You need a fertilizer with the proper mineral content for the specific plant you are feeding in order to produce good, high-quality fertilizer. The three most crucial ones are nitrogen, phosphorus, and potassium. On a container, these three are shown as the N-P-K ratio, respectively.

While these three elements are required in the greatest amounts, additional ingredients are equally important but in smaller amounts. Magnesium, calcium, and sulfur are a few of these. Similar to other plants with lush foliage, you should fertilize Monstera plants with a ratio of 3-1-2 N-P-K. This entails a ratio of three nitrogen to one phosphorus to two potassium.

The best indoor plant fertilizers will supply a balanced quantity of nitrogen, phosphorus, and potassium, but keep in mind that not all houseplants will require the same nutrients. Flowering plants will benefit from a phosphorus-rich fertilizer that promotes flowers, whilst young houseplants will benefit from a nitrogen-rich fertilizer that promotes healthy growth.

To that end, 20-20-20 NPK All-purpose liquid fertilizer is an excellent choice, providing a well-balanced diet for growing plants that many gardeners rely on.

Common types

The best indoor plant fertilizers come in three varieties: liquid, granular, and slow-release. Liquid fertilizer is diluted with water before being applied with a watering can. 

Organic liquid fertilizers are easy to control in terms of the amount and frequency of application. Granule fertilizer is less expensive than liquid or slow-release fertilizer, however, it is prone to over-fertilization. Slow-release fertilizers are more expensive than other types of fertilizer, but one application lasts for several months.

So, each type has advantages and disadvantages; you may learn more about them and make an informed decision. Regardless of the type you pick, we advocate organic fertilizers over those containing synthetic components.

Go for Organic or Synthetic

Traditional synthetic fertilizers may well be faster-acting than organic fertilizers, but organic fertilizers are manufactured with all-natural elements that will have a longer-lasting effect. To verify that organic fertilizer is safe for your organic garden, look for OMRI-listed products, which have been authorized by the Organic Materials Review Institute.

Package size

When looking for fertilizers for your indoor plants, examine the packaging as well. Because it has an impact on your performing experience. When you have a small number of plants, the compact pack will be handier for each application.

However, if there are a large number of plant pots, or you have a limited budget, buying a bulky pack will save you money.

Check not just the size of the package, but also how easy it is to extract the fertilizers from it. Small containers with exceptional design might sometimes assist consumers in obtaining the ingredients more simply. The size of the package varies widely between products; choose carefully based on your personal preferences and needs.

Conclusion

Hopefully, you have learned more about the best fertilizer for Monstera and gained the necessary knowledge to find the right products.

FAQs

  1. What is the best fertilizer for Monstera plants?

    Many people have a misconception about applying only one type of fertilizer that they think is best for Monstera. However, only when we mix fertilizers in a certain ratio, the most common is 3-1-2 N-P-K, will the slow-release excess fertilizer performance be the best. With three parts nitrogen, one part phosphorus, and two parts potassium, it ensures that the plant will absorb the necessary substances well and not create reverse poisoning due to excess nutrients.

  2. How do you fertilize Monstera?

    As an indoor plant, the Monstera plant doesn’t need a lot of fertilizer or fertilizer very often. In contrast, this step is quite simple and only requires you to do it once a month, especially during spring and summer, when the tree grows fastest. After this time, the gap can be every two months. Too much fertilizer content can be 3-1-2 N-P-K if the plant is in normal conditions, or 1-2-1 to stimulate maximum growth, depending on your liking and the surrounding environment.

  3. What is natural fertilizer good for Monstera?

    Most natural fertilizers like compost or vermicompost are great options for getting the monstera’s nutrients. The action of natural slow-release fertilizer is slow but similar to how nature adds micronutrients to plants, and all plants are available in this cycle, so there is less chance of problems. You should note that only completely natural fertilizers and without the presence of chemicals are the products that we should use.

  4. Do you need to fertilize Monstera?

    Like many other plants, the Monstera plant also requires a certain amount of nutrients to grow and maintain the activity of the plant itself. To ensure the survival of the plant, fertilizing is extremely necessary, even though the actual frequency should be only about once a month.

  5. Do Monsteras like Nitrogen?

    Nitrogen has always been one of the most important substances for Monstera. This mineral greatly enhances leaf growth, and leaves are the main metabolic vehicle that plants have besides roots.

  6. Can I use Miracle Grow on Monstera?

    You can use Miracle Grow for Monstera as long as you strictly follow the dosage and recommendations from the manufacturer.

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Kelly Lawrence

Kelly Lawrence

Kelly Lawrence is the CEO of Swipe Garden. Over 10 years in the writing and passion for gardening, she brings a wealth of expertise and creativity to the world of gardening. Kelly Lawrence has cultivated a community of plant lovers, making gardening accessible and enjoyable for all.