Create Your Own Homemade Plant Fertilizer: 5 Exciting Recipes to Experiment With!

Have you ever thought about creating your own plant fertilizer at home? Not only is it a cost-effective solution, but it’s also a great way to support the health and growth of your indoor plants. Plus, it’s eco-friendly, which means you’re doing your part for the environment! In this article, we’re going to explore five unique and effective DIY plant fertilizer recipes that you can try out today. So, let’s jump right in and discover why making your own plant fertilizer is a game-changer!

Why Make Your Own Plant Fertilizer?

You might be wondering why you should bother making your own plant fertilizer when you can easily buy it from a store. Well, let me tell you, there are plenty of benefits to going the DIY route! First and foremost, it’s cost-effective. By making your own fertilizer, you can save money, especially if you have a lot of indoor plants to take care of. Additionally, creating your own plant fertilizer is not only cost-effective, but it’s also eco-friendly. You can reduce your carbon footprint and avoid using chemical-based fertilizers that harm the environment.

Another advantage of making your own plant fertilizer is that it’s customizable. You can tailor your DIY fertilizer to meet the specific needs of your indoor plants, giving them the exact nutrients they require. On top of that, it’s incredibly convenient. You probably already have some of the ingredients needed for these recipes in your kitchen, so why not repurpose them for plant fertilizers instead of throwing them away? Lastly, homemade fertilizers are gentle on your plants. They are made from natural ingredients, which makes it more challenging to over-fertilize your houseplants.

Further reading:  Transforming Fish Scraps into Magical Garden Fertilizer

Now, let’s dive into the exciting world of DIY plant fertilizer recipes!

Recipe 1: Banana Peel Fertilizer

Banana peels aren’t just great for making compost; they can also be transformed into a nutrient-rich fertilizer for your indoor plants! Here’s a simple recipe to get you started:


  • Banana peels (as many as you have)
  • Water (enough to cover the peels)


  1. Collect Banana Peels: Instead of throwing away your banana peels, rinse them to remove any residue and set them aside.
  2. Prepare the Peels: Cut the banana peels into small pieces to help them break down faster and release their nutrients.
  3. Soak the Peels: Place the chopped banana peels in a glass jar or bowl and cover them with water.
  4. Wait: Allow the peels to soak for about two weeks, stirring the mixture occasionally to distribute the nutrients evenly.
  5. Strain: After two weeks, strain the liquid into another container, discarding or composting the leftover banana peel pieces.
  6. Use Your Fertilizer: Dilute the nutrient-rich banana peel fertilizer with equal parts water before using it to water your indoor plants.

Recipe 2: Eggshell Fertilizer

Did you know that eggshells contain essential nutrients like calcium, potassium, and phosphorus? Here’s how you can turn eggshells into a fantastic fertilizer for your indoor plants:


  • Eggshells (from roughly 12 eggs)
  • 1 liter (32 oz) of water


  1. Collect and Clean the Eggshells: Rinse and dry the eggshells after use.
  2. Crush the Eggshells: Crush the eggshells into a fine powder using a mortar and pestle or a blender/food processor.
  3. Steep the Eggshells: Add the crushed eggshells to a pot with a liter of water. Bring it to a boil and let it steep overnight.
  4. Strain and Store: In the morning, strain the water, separating it from the eggshell pieces.
  5. Use Your Fertilizer: Water your plants with the eggshell-infused water as needed.
Further reading:  Gardening Made Easy: Choosing the Right Fertilizer for Your Plants

Recipe 3: Coffee Grounds Fertilizer

Coffee grounds are more than just a pick-me-up for us; they can be a wonderful fertilizer for your plants too! Here’s how you can use coffee grounds to give your indoor plants a nitrogen boost:


  • 2 cups of used coffee grounds
  • 5 gallons of water (about 19 liters)


  1. Collect Your Coffee Grounds: Instead of disposing of your used coffee grounds, save them in a container.
  2. Prepare the Mixture: Pour the coffee grounds into a 5-gallon bucket and fill it with water.
  3. Let It Steep: Allow the mixture to steep for a few hours or overnight to let the water absorb the nutrients from the coffee grounds.
  4. Strain (Optional): If desired, strain the mixture through a cheesecloth or fine mesh strainer to remove the coffee grounds.
  5. Use Your Fertilizer: Water your indoor plants with the coffee-infused water, adjusting the amount according to your plants’ needs.

Recipe 4: Epsom Salt Fertilizer

Epsom salt is a fantastic source of magnesium, an essential mineral for plant growth. Here’s a recipe to create your own Epsom salt fertilizer:


  • 1 tablespoon of Epsom salt
  • 1 gallon of water (approximately 3.8 liters)


  1. Dissolve the Epsom Salt: In a large container, dissolve 1 tablespoon of Epsom salt in a gallon of water, stirring until the salt is fully dissolved.
  2. Use Your Fertilizer: Water your plants with the Epsom salt solution, being mindful not to overwater them.
  3. Observe and Adjust: Keep an eye on your plants over the next few weeks to see how they respond to the Epsom salt fertilizer. You might notice lusher foliage and stronger stems.
Further reading:  Unleashing the Power of Fertilization: Boosting the Growth and Yield of Potatoes

Recipe 5: Fish Tank Water Fertilizer

If you have a fish tank, you can utilize the water from it to create a DIY plant fertilizer for your indoor plants. Here’s a straightforward recipe:


  • Fish tank water


  1. Clean Your Fish Tank: When it’s time to clean your fish tank, collect the old water in a large container.
  2. Let the Water Sit: Allow the water to sit for an hour or two, letting any solids settle at the bottom.
  3. Use the Water: Carefully scoop or pour the clear water from the top of the container to water your houseplants, leaving behind any solids at the bottom.

Using fish tank water as fertilizer can provide your plants with essential nutrients like nitrogen and phosphorus. It’s particularly beneficial for plants that thrive in slightly acidic soil.

There you have it – five exciting recipes to create your own plant fertilizers! Each recipe offers different benefits for your indoor plants, allowing you to experiment and find the perfect match for your needs. So, next time you enjoy a banana or a cup of coffee, remember that you can use the leftovers to nourish your beloved plants. Happy fertilizing!

Ames Farm Center