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The 5 Best Banana Tree Fertilizers

Did you know that, on average, a banana tree’s stems can grow up to two hundred and forty bananas in total? So that means each banana plant stem will create up to twelve rows of bananas with up to twenty single bananas. That’s just wild!

Do you want to raise strong, healthy banana trees like these? Stick around to learn the importance of banana tree fertilizers, the best products, and finally, proper uses of these nutrients.

Closeup of bananas growing on a tree.

Our Top Picks

Best Overall
Banana Fertilizer Fuel from Wellspring Gardens

Best Fertilizer Spikes
Miracle-Gro Fruit & Citrus Plant Food Spikes

Best Liquid Fertilizer Option
AgroThrive All Purpose Organic Liquid Fertilizer

Best Overall

Wellspring Gardens Banana Fertilizer Fuel

Banana Fertilizer Fuel - 2 Pounds - Water-Soluble 15-5-30 Blend

A lot of thought goes into deciding on the best banana tree fertilizer. Banana Fertilizer Fuel by Wellspring Gardens makes its way to the best overall banana tree fertilizer category because it checks many important boxes.

While these other products below are fantastic, this balanced fertilizer gives your banana plants what they require in doses. Mix these granules into their water each time you water your banana plants to create a secret cocktail. This liquid banana tree fertilizer will help your tropical plant live its best and healthiest life!


  • Given to banana plants every watering session.
  • Smaller doses give your plants time to soak in the benefits.
  • Easy to use


  • It’s expensive to get started but gives your banana plants the best.

Best Fertilizer Spike

Miracle-Gro Fruit and Citrus Plant Food

Miracle-Gro Fruit & Citrus Plant Food Spikes

Do consumers know best? This banana tree fertilizer, Miracle-Gro Fruit and Citrus Plant Food Spikes, by the trusted brand Miracle-Gro, has a high review status. Over fourteen thousand consumers have purchased, used, and reviewed this product.

Does it stand to the test? I’m going to let you be the judge of that, but I know that with ratings such as these, this choice surely deserves a spot on our best banana tree fertilizer list!


  • Used and trusted by many.
  • Great for all types of fruit trees.
  • Affordable option by Miracle-Gro.


  • Not specifically formulated for banana trees.
  • A better choice for in-ground banana trees.

Best Liquid Fertilizer

AgroThrive All Purpose Organic Liquid Fertilizer

AgroThrive All Purpose Organic Liquid Fertilizer - 3-3-2 NPK (ATGP1128) (1 Gal) for Lawns, Vegetables, Greenhouses, Herbs and Everything Else that Grows

AgroThrive All Purpose Organic Liquid Fertilizer is excellent for “anything that grows.” So give it a try on your banana plants and the rest of your homegrown flowers, fruits, and veggies.

Eco-Friendly Banana Tree Fertilizer

Black Kow Nitrogen Phosphate Composted Cow Manure

Black Kow Nitrogen Phosphate Composted Cow Manure Fertilizer for Soil, Flowers, Potted Plants, Raised Beds, and Compost Tea, 4 Pounds

What’s best for your banana trees may just be found in eco-friendly organic matter solutions. For example, composted cow manure may sound disgusting. Still, it makes one of the best natural banana tree fertilizers you’ll ever find.

I like the ingredients included in Black Kow Nitrogen Phosphate Composted Cow Manure Fertilizer, and I know your banana trees will also. This organic fertilizer will give your banana plants the proper nutrients to produce banana fruit by the bunch in no time at all!


  • As natural as they come!
  • Truly the best out there for composted cow manure.
  • Eco-friendly and natural solutions.


  • Hard to locate and sells out often.
  • Can be costly

Hi-Yield Super Phosphate 0-18-0

Hi-Yield (32115) Super Phosphate 0-18-0 (4 lbs.)

I took my research a step further and interviewed a professional landscaper who currently grows banana trees at his own home. He suggested using a high-quality Super Phosphate.

This specific brand, Hi-Yield Super Phosphate 0-18-0, is the best granular banana tree fertilizer for healthy, thriving banana trees. He said just to sprinkle a little of this user-friendly and affordable banana tree fertilizer on your banana trees about every two weeks.


  • Easy to use
  • Affordable
  • Super Phosphate promotes larger fruits and blooms!


  • It can take a while to break down properly into the soil.

All-Purpose Fertilizer

ArgroThrive Fruit and Flower Fertilizer

AgroThrive Fruit and Flower Organic Liquid Fertilizer - 3-3-5 NPK (ATFF1128) (1 Gal) for Fruits, Flowers, Vegetables, Greenhouses and Herbs

They also carry another version, AgroThrive Fruit and Flower Organic Liquid Fertilizer, which you’ll need to make sure to check out!

Buyer’s Guide

When shopping for the best fertilizer for banana trees, consider the following key factors:

  • Nutrient Composition:
    • Look for a high potassium content, essential for banana tree growth.
    • Ensure a balanced NPK (Nitrogen, Phosphorus, Potassium) ratio; typically, a higher potassium ratio is beneficial.
    • Check for micronutrients like magnesium, sulfur, and calcium.
  • Fertilizer Type:
    • Granular Fertilizers: Slow-release, good for long-term nourishment.
    • Liquid Fertilizers: Quick absorption, ideal for immediate nutrient needs.
  • Organic vs. Synthetic:
    • Organic Fertilizers: Improve soil health over time, environmentally friendly.
    • Synthetic Fertilizers: Faster results, more concentrated nutrients.
  • Soil Compatibility:
    • Ensure the fertilizer is suitable for your soil type.
    • Consider soil pH and the ability of the fertilizer to maintain or adjust it as needed.
  • Release Time:
    • Slow-release formulas reduce the need for frequent application.
    • Fast-acting fertilizers are useful for addressing immediate deficiencies.
  • Application and Dosage:
    • Check the ease of application and required dosage.
    • Over-fertilizing can harm the plant; follow instructions carefully.
  • Brand Reputation and Reviews:
    • Opt for well-known brands with positive customer reviews.
    • Research effectiveness and safety for banana trees specifically.

Selecting the right fertilizer will ensure your banana trees receive the necessary nutrients for healthy growth and fruit production.

Yellow bananas on a tree.

You Can’t Go Wrong With These Banana Tree Fertilizers!

I think it’s fair to say that banana tree fertilizer is a crucial part of care to promote strong and healthy fruit in your banana tree’s life cycle.

Excited for more banana content? Then check out my banana tree page for info guides, growing tips, recipes, and more!