Top 10 Best Fertilizer For Calathea For Ultimate Growth Care

Most Calathea growers are concerned with the right balance of moisture and light. However, a complete diet, including fertilizers, is extremely important to help the plant grow and resist harmful agents. With so many diverse options, what is the best fertilizer for Calathea in 2022? In this article, I will provide you with the top 10 popular models for Calathea growing that experts recommend and helpful buying guides.

Let’s check them out now!

Our Top Picks

Product ImagesProduct NameDetailsEditor's RatingPrice

Miracle-Gro Indoor Plant Food - Best for Overall
  • Type: Liquid

  • Weight: 0.5 pounds

  • Size: 1.95 x 2.88 x 8.25 inches
  • 4.9Amazon-Check-Price-button
    Organic Houseplant Food - Best for User Safety
  • Type: Liquid

  • Weight: 10.2 ounces

  • Size: 6.77 x 2.01 x 1.93 inches
  • 4.9Amazon-Check-Price-button
    Joyful Dirt Premium House Plant - Best for Ease of Use
  • Type: Liquid

  • Weight: 3 ounces

  • Size: 4.13 x 1.75 x 1.75 inches
  • 4.8Amazon-Check-Price-button

    Bonide (BND108) - Liquid Plant Food - Best for Rapid Growth
  • Type: Liquid

  • Weight: 0.66 pounds

  • Size: 3.25 x 1.5 x 6 inches
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    The Grow Co Organic Indoor Plant Food - Best for Eco-Friendly
  • Type: Liquid

  • Weight: 8 ounces

  • Size: 4.96 x 2.17 x 2.09 inches
  • 4.8Amazon-Check-Price-button
    Aquatic Arts Indoor Plant Food - Best for Versatility
  • Type: Liquid

  • Weight: 8 ounces

  • Size: 6 x 2 x 1 inch
  • 4.7Amazon-Check-Price-button
    Miracle-Gro Tropical Houseplant: Best for Absorption Capacity
  • Type: Liquid

  • Weight: 8 ounces

  • Size: 2 x 2.8 x 7.7 inches
  • 4.7Amazon-Check-Price-button
    Osmocote Smart-Release Plant Food - Best for Granular Fertilizer
  • Type: Beads

  • Weight: 2.2 pounds

  • Size: 3.65 x 2.5 x 8.9 inches
  • 4.7Amazon-Check-Price-button
    Purived Liquid Fertilizer - Best for Essential Nutrients
  • Type: Liquid

  • Weight: 1.32 pounds

  • Size: 2.75 x 2.75 x 6.75 inches
  • 4.7Amazon-Check-Price-button
    The Grow Co Indoor Plant Food - Best for Budget
  • Type: Beads

  • Weight: 5 ounces

  • Size: 5.94 x 4.13 x 1.34 inches
  • 4.7Amazon-Check-Price-button

    Buying Guides

    Best Fertilizer For Calathea- Things to consider to pick the best fertilizer for Calathea

    Things to consider to pick the best fertilizer for Calathea

    I constantly research the different types of fertilizers before deciding to use one for my Calathea plants. Specifically, I mainly rely on type, nutrients, weight, and cost to determine what model is suitable for the size of my growing garden.

    Types

    To buy the right fertilizer for Calathea, I focused on finding suitable fertilizers for its growth and development, including liquid and granular.

    For each type, there will be specific characteristics for adaptation to the stage of plant development.

    • Granular fertilizer: This type will usually be used directly with the potting soil, dissolved in water, and watered with the plants. It gives good absorption of nutrients for plants, Which quickly stimulates the height growth for great plants.
    • Liquid fertilizer: This fertilizer’s permeability and absorption capacity are higher, which is good for the comprehensive growth of plants.

    Accordingly, based on the main effect of the fertilizer will help you buy the right product for the growth stage of your favorite Calathea plant.

    Nutrients

    Nutrient content in fertilizers is also a necessary factor to consider for the best fertilizer for Calathea plants. The plant will need a certain amount of nutrients depending on the growth stage.

    Nitrogen, Phosphorus, and Potassium are essential groups of nutrients that need to be added to stabilize plants in most of their growth phases.

    Weight

    I attach great importance to fertilizer quantity when deciding to buy any product. It is closely related to fit and balance when I simultaneously fertilize my favorite plants.

    Understandably, if you are growing a Calathea plant in a large area, you also need an equal weight of fertilizer. Thus, it will be easy to balance the fertilizer for each use so that the plant thrives.

    Price

    Each fertilizer’s selling price differs depending on the weight and biological impact on prayer plant growth. As a savvy gardener, you need to spend a lot of time learning the care effectiveness of anyone before you buy it.

    In-depth Reviews Of The Best Fertilizer For Calathea

    It took me quite a while to attest to the effectiveness of the 10 best fertilizers for Calatheas. Read this analysis, and you will find the information you want.

    #1. Miracle-Gro Indoor Plant Food – Best for Overall

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    Important Specifications

      • Type: Liquid
      • Weight: 0.5 pounds
      • Size: 1.95 x 2.88 x 8.25 inches

    Product highlights

    With more than 20 years of experience in growing season and caring for plants, I am confident in my ability to choose quality fertilizers for Calathea.

    And Miracle-Gro Indoor Plant Food is a specific product, always my first choice.

    This fertilizer is produced in liquid form and packaged in small bottles with convenient spray nozzles. Thus, it will help to fertilize Calathea easily without harming the skin of the user’s hands.

    I appreciate the care results of this stool. After just over two weeks of use, my favorite plants are in perfect health and ready to bloom and bear fruit.

    What frustrates me the most about this product is the smell. Immediately after fertilizing, the pungent smell rose and made me dizzy.

    Therefore, to ensure safety, users should use masks to avoid side effects related to allergies to the nose and mucous membranes.

    Pros & Cons

    What We Like
    • The most perfect overall
    • Full of essential nutrients
    • Suitable for a variety of crops
    • Speed ​​up the development process
    Things to Consider
    • Pungent odor

     

    #2. Organic Houseplant Food – Best for User Safety


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    Important Specifications

      • Type: Liquid
      • Weight: 10.2 ounces
      • Size: 6.77 x 2.01 x 1.93 inches

    Product highlights

    Using chemical fertilizers often erodes Calathea vitality and affects users’ health.

    You should use organic liquid fertilizers, a comprehensive and safe solution for people, and fertilize Calathea plants. Organic Houseplant Food is a great suggestion for natural habitat.

    Its internal ingredients are entirely safe, natural, and organic to stimulate the overall growth of plants. At the same time, it helps to minimize the negative impact on the user’s health.

    To me, this is a super helpful excess fertilizer because of its unique effect and protective effect. It helps me feel more secure about my own life.

    This fertilizer is extremely simple to use. I just mix it with filtered or distilled water and pour it directly onto the potting soil. The nutrients will then infiltrate into the ground to facilitate convenient prayer plant absorption.

    Pros & Cons

    What We Like
    • Full of nutrients
    • Easy to use
    • Good budget
    • Safety for the user
    • Best organic fertilizer for Calathea
    Things to Consider
    • Can kill plants if overdosed

     

    #3. Joyful Dirt Premium House Plant – Best for Ease of Use


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    Important Specifications

      • Type: Liquid
      • Weight: 3 ounces
      • Size: 4.13 x 1.75 x 1.75 inches

    Product highlights

    Many growers are confused when directly fertilizing their crops despite having read the instructions many times. And if you are afraid of the same problem, Joyful Dirt Premium Concentrated House can be a helpful solution.

    For an excellent fertilizing effect, I shake it gently, spread the granules directly onto the soil, and then add a little water for faster dissolution.

    It can also be mixed with water and watered as usual. I like this fertilizer because of its convenience and care effect, which is far superior to my previous products.

    Joyful Dirt Fertilizer contains many nutrients to accelerate growth and keep prayer plants healthy.

    However, its cost is relatively high for the entire irrigation process. Therefore, this weakness is not suitable if you are looking for an economic model.

    Pros & Cons

    What We Like
    • Easy to use
    • Best fertilizer Calathea
    • No harm to humans
    • Continuous growth
    • Used for a variety of plants
    Things to Consider
    • Expensive

     

    #4. Bonide (BND108) – Liquid Plant Food – Best for Rapid Growth

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    Important Specifications

      • Type: Liquid
      • Weight: 0.66 pounds
      • Size: 3.25 x 1.5 x 6 inches

    Product highlights

    When searching for the best fertilizer for Calathea Orbifolia, I prioritize products that effectively promote rapid growth. And Bonide (BND108) is one of those particular models.

    With a wide range of essential nutrients in standard concentrations, the product can promote stable and balanced growth in plants.

    In fact, after just two months of use, my Calathea plants are in good health and ready for the worst of the environment.

    The fertilizer has many benign ingredients, which can be available for indoor plants without worrying about affecting users’ health. It does not have a pungent smell. Instead, it has a pleasant, faint scent.

    Pros & Cons

    What We Like
    • High growth efficiency
    • Best plant food for Calathea
    • Full of nutrients needed for Calathea
    • Good value for money
    • Environmental friendliness
    Things to Consider
    • Difficult to use

     

    #5. The Grow Co Organic Indoor Plant Food – Best for Eco-Friendly


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    Important Specifications

      • Type: Liquid
      • Weight: 8 ounces
      • Size: 4.96 x 2.17 x 2.09 inches

    Product highlights

    Organic fertilizers are a safe, friendly solution for users and the environment. Grow Co Organic Indoor Plant Food is the best choice for you if you are looking for a similar one.

    This fertilizer is based on modern technology with all-natural ingredients. It ensures absolute safety for the fertilizer and does not harm the surrounding environment of other organisms.

    Unfortunately, I dropped it in my hand. Fortunately, its pleasant scent did not affect the skin of my hands.

    This product line includes a super vitamin formula, which enhances blooms and stimulates rapid root healthy growth. For greater efficiency, I often focus on intensive fertilization at the plant’s growth stage.

    With its richness in essential nutrients, it is suitable for you to fertilize a large area of ​​​​plants. Yet, be careful to use enough not to cause the plant’s root rot!

    Pros & Cons

    What We Like
    • Environmental friendliness
    • Completely safe for users
    • Stimulates root growth
    • No pungent scent
    • Sufficient capacity
    Things to Consider
    • Poor quality shipping service

     

    #6. Aquatic Arts Indoor Plant Food – Best for Versatility


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    Important Specifications

      • Type: Liquid
      • Weight: 8 ounces
      • Size: 6 x 2 x 1 inch

    Product highlights

    Are you looking for fertilizer for a variety of crops? Aquatic Arts Indoor Plant Food is probably the product you need right now.

    It stimulates the growth rate of many different crops. This version includes essential nutrients in the correct ratio to provide a decisive growth spurt.

    After a few weeks of testing, I appreciate its caring results. Whether Calathea, pothos, or all my garden plants are perfectly compatible with this fertilizer. Therefore, I have saved a lot of my time and budget.

    On the downside, it’s not safe for the skin of my hands. I have been injured a few times because of its extreme skin corrosion. As such, you must carefully combine protective gear to ensure your safety.

    Pay attention to using a mask because its scent is powerful and unpleasant.

    Pros & Cons

    What We Like
    • Easy to use
    • Good value for money
    • Suitable capacity
    • Impressive care effect
    • Suitable for many different crops
    Things to Consider
    • Not safe for users

     

    #7. Miracle-Gro Tropical Houseplant: Best for Absorption Capacity


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    Important Specifications

      • Type: Liquid
      • Weight: 8 ounces
      • Size: 2 x 2.8 x 7.7 inches

    Product highlights

    What is the best fertilizer for Calathea? A perfect one must accelerate the absorption and metabolism mechanism for the growth of plants.

    For this category, I recommend the product Miracle-Gro Tropical Houseplant Food. This one is formulated with premium micronutrients to enhance rapid absorption in plants. It will help the plant grow and develop better.

    The spray bottle design is very convenient and makes it easy for me to fertilize my Calathea directly or indirectly. Its current carrying capacity is also just enough for us to care for a growing season of Calathea.

    What impressed me most about the product was its fragrance. Unlike many cheap products, it always keeps the scent much lighter and more pleasant. It is not likely to give you headaches or dizziness.

    Pros & Cons

    What We Like
    • No unpleasant scent
    • Admirable absorption ability
    • Perfect micronutrient formula
    • Bottle design with convenient spray nozzle
    Things to Consider
    • A narrow range of use

     

    #8. Osmocote Smart-Release Plant Food – Best for Granular Fertilizer


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    Important Specifications

      • Type: Beads
      • Weight: 2.2 pounds
      • Size: 3.65 x 2.5 x 8.9 inches

    Product highlights

    To ensure the safety of yourself and the surrounding environment, you can prioritize the choice of granular fertilizers. It has poor absorption, but its friendliness will put you at ease.

    The Osmocote Smart-Release Plant Food is such a valuable model. It comes packaged in a super convenient and easy-to-use bottle. I can apply it directly to the soil or dissolve it with water to increase the care effect.

    Its intelligent formula includes 11 essential nutrients for complete plant nutrition and overall health care. It is also suitable for many different cultivars.

    Because of its long shelf life, it is perfectly available for multiple waterings without worrying about quality deterioration. I am incredibly impressed with this convenience and its optimization to save time and associated costs.

    Pros & Cons

    What We Like
    • Easy to use
    • Long lifespan
    • Value of money
    • Comfortable scent
    • Best granular fertilizer for Calathea
    Things to Consider
    • Poor absorption

     

    #9. Purived Liquid Fertilizer – Best for Essential Nutrients


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    Important Specifications

      • Type: Liquid
      • Weight: 1.32 pounds
      • Size: 2.75 x 2.75 x 6.75 inches

    Product highlights

    Full of essential nutrients for most tropical plants, Purived Liquid Fertilizer for Indoor Plants became the exclusive version that attracted many customers to use. It comes with a specialized nutritional formula for super-impressive fertilizing effects.

    Up to now, I have been using it continuously for more than three years for different stages of Calathea development.

    Amazingly, I have never been disappointed in its results. After only a few months of nurturing, my Calathea has regained vitality and grown faster.

    This fertilizer is also highly user-friendly. It does not have an unpleasant scent or is harmful to the health of the person taking care of it.

    Pros & Cons

    What We Like
    • Large capacity
    • Full of essential nutrients
    • Stimulating holistic development
    • No unpleasant fragrance
    Things to Consider
    • Can kill plants if overdosed

     

    #10. The Grow Co Indoor Plant Food – Best for Budget


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    Important Specifications

      • Type: Beads
      • Weight: 5 ounces
      • Size: 5.94 x 4.13 x 1.34 inches

    Product highlights

    The Grow Co Indoor Plant Food is the lowest-priced product in my collection. It ensures adequate nutrients that promote plant growth and development.

    This fertilizer comprises macro and micronutrients that gently grow all the peacock plants in your home. It stimulates fast root growth, beautiful leaves, and much more.

    Although absorbed more slowly, this granular formula is not harmful to the user and is easy to store and handle. This one is also extremely eco-friendly, with no unpleasant scents.

    Yet, its capacity is small to help me fertilize the whole Calathea garden. For each use, I have to buy at least 3 packages to ensure adequate nutrients for the plant.

    Pros & Cons

    What We Like
    • Safe to use
    • Reasonable price
    • No unpleasant scent
    • Suitable for many cultivars
    Things to Consider
    • Small capacity

     

    FAQs

    How often should you feed Calathea?

    The Calathea plant needs regular food for its stimulation and overall growth.

    You should fertilize every two weeks with a specialized fertilizer to effectively absorb Calathea plants.

    Do Calatheas like fish fertilizer?

    The answer is yes. We can grow Calathea on the breast of the fish – the remains of the fish. It is considered a fertilizer rich in nutrients and good for the comprehensive growth of plants.

    How do you promote growth in Calathea?

    In addition to using the best fertilizer for Calathea Ornata, we should consider temperature and light for the best plant growth.

    Plants should be placed in warm, well-lit locations but without direct sunlight or bright indirect light. Always keep the soil moist by misting the plant regularly.

    Conclusion

    I think liquid organic fertilizer should be available for plant health care because of its super-fast absorption. Organic Houseplant Food and Bonide (BND108) are my two recommendations if you want to find the best products.

    I hope this article has helped you find your best fertilizer for Calathea.

    Thank you for reading!

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    Nguyen Truong Anh Mai
    Nguyen Truong Anh Mai
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