11 Best Fertilizers For Indoor Elephant Ears [And How To Use Them]

Elephant Ears are large, tropical plants with beautiful green foliage. They can be grown indoors or outdoors. If you choose to grow them indoors, you might wonder what the best fertilizer is for your plant. So, look no further! We have thoroughly researched the answer for you.

There are multiple options available for Elephant Ear fertilizer.

Breaking it down into three different categories is helpful. 20-10-20 slow release mix, 20-20-20 all-purpose liquid fertilizer, and organic compost are the three categories we will cover.

So without further ado, here are the best 11 fertilizers for your indoor Elephant Ear:

  1. Epsom Salt
  2. Elephant Ear Fuel by Wellspring Gardens
  3. Hydrolyzed Fish & Seaweed Fertilizer by Neptune's Harvest Organic
  4. Worm Castings Organic Fertilizer by Wiggle Worm Soil Builder
  5. Indoor Plant Food by Houseplant Resource Center
  6. Compost Tea
  7. Indoor Plant Food by Miracle-Gro
  8. Organic Indoor Plant Food by The Grow Co
  9. Jacks Classic All Purpose 20-20-20 by JR Peters
  10. Indoor Plant Food by Easy Peasy Plants
  11. Premium Concentrated House Plant Food and Fertilizer by Joyful Dirt

You also might be wondering what kind of soil Elephant Ears prefer. Or, how often you should water Elephant Ears. Stay tuned for the answers to these questions and more.

Green elephant ear plant in ceramic pot - 11 Best Fertilizers For Indoor Elephant Ears [And How To Use Them]

What Are The Best Fertilizers For Indoor Elephant Ears?

Leaf texture background.Natural background and wallpaper.Elephant ear leaves for background,Tropical green banana taro leaf.

The good news is there is not a shortage of fertilizers available for Elephant Ears! There are plenty to choose from. Now, let's go over the top 11 fertilizers for this plant in detail.

1. Epsom Salt

Epsom salt helps deter slugs, improves nitrogen and other minerals, and increases chlorophyll production in the leaves. The upside to using Epsom salt is that it is affordable.

Additionally, you probably already have some on hand and can skip a trip to the store.

Add 1/8th cup of Epsom salt to a gallon of water. After mixing the salt solution, water the plant as usual. You can water your plant once per month with this salt mixture.

Click here to see this Epsom salt on Amazon.

2. Elephant Ear Fuel

This product is specially made for Elephant Ears. Elephant Ear Fuel is a fertilizer of the 20-10-20 formulation. Another bonus, this one has no odor making it ideal for indoor Elephant Ears.

Use a tablespoon per gallon of water and water the soil once per month. These are sure to make your Elephant Ears happy.

View this Elephant Ear fuel on Amazon.

3. Hydrolyzed Fish & Seaweed Fertilizer

This is a popular, all-purpose organic fertilizer used on various plants. Fish and seaweed have been known to build an excellent source of natural sugar in plants.

Elephant Ear foliage will be stronger and last longer.

To use, shake well. Use one tablespoon per gallon of water and feed every 2 to 3 weeks.

See this Neptune's Harvest fertilizer on Amazon.

4. Wiggle Worm - Worm Castings Organic Fertilizer

This is another organic fertilizer teeming with millions of microorganisms. Once the earthworms digest organic material and pass it through the body, it is collected and made into a natural fertilizer.

Mix this into your soil at 20% worm castings to 80% soil. Also, you can sprinkle a handful on top of existing plants and water thoroughly.


Click here to view this worm fertilizer on Amazon.

5. Houseplant Resource Center Indoor Plant Food

Indoor Plant Food is a product specifically formulated not to burn your houseplants. This is a natural and organic fertilizer that is pre-made. That means there is no mixing or mess.

Dilute one teaspoon into two cups of water. It is recommended to water once per week.


Click here to see this plant food on Amazon.

6. Compost Tea

Compost box outdoors full with garden browns and greens and food wastes, woman throwing away wastes, close up view, sustainable life concept

Compost tea has been dubbed the magic elixir of natural fertilizers. This tea improves your soil, making your plants grow healthier and stronger. It can be fun to make the tea as well!

There are two ways of making compost tea. The first method is to throw your compost in a bucket of water and let it marinate for a while.

The second method requires oxygen and a little bit more work. This is done by using an aerating pump, which creates bubbles in the liquid.

Either method can mix the compost tea into your soil once per week.

7. Miracle-Gro Indoor Plant Food

This Indoor Plant Food fertilizer by Miracle-Gro is a great option for all indoor plants, not just Elephant Ears! You can instantly feed your plants with this solution once per week.

You can apply it directly to the soil or mix it with water.

See this Miracle-Gro fertilizer on Amazon.

8. The Grow Co Organic Indoor Plant Food

This fertilizer is a slow-release formula that feeds your plants for months at a time! It comprises macro and micronutrients that encourage strong roots and robust leaves.

All you have to do is poke holes in your soil and sprinkle. Water and watch your plants thrive!

View this fertilizer by The Grow Co.

9. Jacks Classic All Purpose 20-20-20 by JR Peters

This is another great all-purpose fertilizer for a variety of plants.

It has a blend of nitrogen, phosphorus, and potassium. This fertilizer states it prevents burning your plants and is specially made for indoor plants and leaves.

See this all-purpose fertilizer on Amazon.

10. Easy Peasy Plants Indoor Plant Food

We love how easy peasy this fertilizer is to apply. A small effort for big results! It will help your Elephant Ears develop a strong root system and healthy leaves. You can use this fertilizer every two weeks.

View this fertilizer by Easy Peasy Plants.

11. Joyful Dirt Premium Concentrated Fertilizer

This fertilizer is a concentrated formula for indoor plants making it ideal for your Elephant Ears! Joyful Dirt fertilizer is safe for kids and pets. You can use this once a month or even more for unhealthy plants.

It comes in a shaker bottle that you disperse into the soil. Then, water thoroughly.

Click here to see this Joyful Dirt fertilizer on Amazon.

How Do You Care For Indoor Elephant Ears?

Green elephant ear plant in ceramic pot

Large, attractive leaves are a must for thriving Elephant Ears. You want to know how to give them some TLC, right? Keep reading to learn more about your Elephant Ears' soil, water, and sun requirements.


Potting soil should be rich in organic matter and mixed with perlite. Use well-drained soil with a PH of 5.5-6.5. Elephant Ears can handle a wide range of soil types.


Watering your Elephant Ears sufficiently is important! They require more water than the average plant. Watering every day is recommended for this water-loving plant.


Elephant Ears can grow in partial shade or sun, depending on the area. They can be grown indoors or outdoors. Overall, filtered sunlight is preferred for Elephant Ear plants.

What Month Do Elephant Ears Bloom?

alocasia macrorrhiza black stem elephant ear ornamental plant big leaves potted plant

Elephant Ears begin to flower in late spring to early fall. You should plant them in the spring after the first frost. Also, it can depend on what USDA Hardiness Zone you live in.

If you live in zones 9-11, you will see they bloom earlier than in cooler zones.

Are Elephant Ears Poisonous?

Unfortunately, Elephant Ears are fatal to dogs. This is important to know if you have a furry friend and are thinking about having an indoor Elephant Ear plant.

If your dog eats the Elephant Ear leaves, it could block their airway and cause issues with breathing.

How Cold Can Elephant Ears Tolerate?

Elephant ears cannot tolerate temperatures below 50 degrees.

This shouldn't be a problem if your Elephant Ear is indoors. However, if your plant is outdoors and you live in a cooler climate, you will want to bring your plant indoors for the winter.


As you can see, there are multiple fertilizer options for your indoor Elephant Ear plant.

All in all, it is pretty easy to grow lovely Elephant Ears with minimal effort. Most companies recommend fertilizing once per month, which anyone can do!

Made it to the end? Check out these helpful related articles below:

15 Best All-Purpose Plant Fertilizers [Liquid, Powder, And Granular]

Why Is My Elephant Ear Plant Dying? [And What To Do About It]

When To Apply Fertilizer After Transplanting

11 Best Fertilizers For Indoor Elephant Ears [And How To Use Them]

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