Homemade liquid fertilizer for potted plants is a cost-effective and natural way to provide the essential nutrients that potted plants need to thrive. Whether you are growing herbs, flowers, vegetables, or houseplants, liquid fertilizer is a vital component of any container gardening setup. Not only is it easy to make, but it also offers many benefits over store-bought options.

For example, it’s possible to customize the recipe to suit the specific needs of your plants, and it’s also free of harsh chemicals and synthetic ingredients. Furthermore, it is also a great way to recycle household waste and kitchen scraps.
In this article, we will explore the basics of homemade liquid fertilizer, including how to make it, how to apply it, and alternative recipes to try. By the end of this article, you will have all the tools you need to create your own homemade liquid fertilizer for your potted plants, and enjoy the rewards of healthy, lush and fruitful plants.
Importance liquid fertilizer for potted plants
Liquid fertilizer is a solution of nutrients that are essential for plant growth. It is important for potted plants as they are grown in a limited amount of soil and therefore need regular supplements of nutrients to maintain their health and growth. It also helps to prevent nutrient deficiencies and promotes overall plant health.
Benefits of using homemade liquid fertilizer
Using homemade liquid fertilizer for potted plants has many benefits. Firstly, it is a cost-effective option as it can be made using household waste and kitchen scraps. Additionally, it is free of harsh chemicals and synthetic ingredients, making it a safer option for your plants, and for the environment. It also offers the flexibility to adjust the recipe to suit the specific needs of your plants.
Furthermore, it allows you to have control over the ingredients and the quality of the fertilizer, which is not possible with store-bought options. Homemade liquid fertilizer is also a great way to recycle household waste and contribute to sustainable gardening.
Materials and tools needed to make homemade liquid fertilizer
Making homemade liquid fertilizer is a simple process that requires minimal materials and tools. The basic ingredients you will need include kitchen scraps such as vegetable peels and coffee grounds, and household items like Epsom salt or eggshells.
You will also need a container to mix the ingredients in, such as a large jar or a plastic bucket. Other tools you might need include a mixing spoon or a stick, a strainer, and a watering can or spray bottle for applying the fertilizer to your plants.
It is also important to have a pH testing kit to ensure the balance of the fertilizer is correct for your plants. With these materials and tools, you can easily make homemade liquid fertilizer for your potted plants.
Basic recipe for homemade liquid fertilizer
Ingredients list
- 1/2 cup of Epsom salt
- 1/2 cup of blood meal
- 1/4 cup of bone meal
- 1/4 cup of dried, crushed eggshells
- 1 gallon of water
Step-by-step instructions for mixing the ingredients
- In a clean container, mix together the Epsom salt, blood meal, bone meal, and crushed eggshells.
- Slowly pour in the water, stirring constantly to ensure that all the ingredients are evenly distributed.
- Allow the mixture to sit for 24 hours so that the nutrients can fully dissolve.
- Strain the mixture through a fine mesh strainer to remove any large particles.
- Your homemade liquid fertilizer is now ready to use.
Tips for adjusting the recipe to suit different types of plants
- For acid-loving plants such as blueberries, azaleas, and rhododendrons, add 1 tablespoon of white vinegar to the mixture to lower the pH.
- For plants that prefer more nitrogen, such as leafy greens, add additional blood meal to the mixture.
- For plants that prefer more phosphorus, such as flowers, add additional bone meal to the mixture.
- To make the fertilizer more concentrated you can reduce the amount of water.
This recipe is a basic one that can be adjusted to suit the needs of different types of plants. Feel free to experiment with different ingredients and ratios to find what works best for your potted plants.
Alternative recipes for homemade liquid fertilizer
Compost tea recipe
- Ingredients: 1-2 cups of compost, 1-gallon water
- Instructions:
- Mix the compost and water in a container.
- Allow the mixture to steep for 24-48 hours.
- Strain the mixture through a fine mesh strainer to remove any large particles.
- Apply the fertilizer to your plants as needed.
Fish emulsion recipe
- Ingredients: 1 cup of fish emulsion, 1-gallon water
- Instructions:
- Mix the fish emulsion and water in a container.
- Allow the mixture to steep for 24 hours.
- Strain the mixture through a fine mesh strainer to remove any large particles.
- Apply the fertilizer to your plants as needed.
Eggshell tea recipe
- Ingredients: 1 cup of crushed eggshells, 1-gallon water
- Instructions:
- Mix the crushed eggshells and water in a container.
- Allow the mixture to steep for 24 hours.
- Strain the mixture through a fine mesh strainer to remove any large particles.
- Apply the fertilizer to your plants as needed.
All of these alternative recipes for homemade liquid fertilizer offer unique benefits for your potted plants. Compost tea is rich in beneficial microorganisms, fish emulsion is a good source of nitrogen and phosphorus, and eggshell tea is a great source of calcium. Experiment with these different recipes to find the one that works best for your plants.
How to apply and store homemade liquid fertilizer
Applying the fertilizer
- Dilute the fertilizer with water before applying it to the plants. A general rule of thumb is to use one part fertilizer to ten parts water.
- Apply the fertilizer to the soil around the base of the plant, avoiding the leaves and flowers as much as possible.
- Apply the fertilizer during the cool part of the day, either in the early morning or late evening.
- It is recommended to apply the fertilizer every 2-3 weeks or when the plants show signs of nutrient deficiencies.
Storing the fertilizer
- Homemade liquid fertilizer should be stored in a cool, dark place.
- Keep the fertilizer away from direct sunlight and heat sources.
- Do not store the fertilizer for more than a month, as the nutrients will begin to break down and lose their effectiveness.
- Make sure the container is well sealed to prevent evaporation and contamination.
It’s important to note that homemade liquid fertilizer should be used within a month, as the nutrients will begin to degrade over time. It’s also important to apply the fertilizer correctly, as applying it too strong or in the heat of the day could burn the plants. Always keep an eye on the plants and adjust the fertilizer accordingly.
Tips for success with homemade liquid fertilizer
Use fresh ingredients
- Using fresh ingredients is key to making an effective fertilizer. Old or spoiled ingredients will not provide the same benefits to your plants.
Experiment with different recipes
- Each recipe will have different benefits, so experimenting with different recipes will help you find the right fertilizer for your plants.
Monitor plant growth
- Pay attention to your plants and monitor their growth. Nutrient deficiencies will show up in the form of yellowing leaves or stunted growth.
Adjust fertilizer as needed
- Once you have found the right recipe, you may still need to adjust the fertilizer as your plants grow and change. Be prepared to adjust the strength of the fertilizer or the frequency of application as needed.
FAQ
Q: What are the benefits of using homemade liquid fertilizer for potted plants?
Ans: Homemade liquid fertilizer can be more cost-effective than store-bought options and can be customized to the specific needs of your plants. It also promotes a more sustainable and eco-friendly gardening practice.
Q: What materials and tools do I need to make homemade liquid fertilizer?
Ans: You will need a blender, a strainer, a container to store the fertilizer in, and a variety of ingredients such as kitchen scraps, eggshells, and coffee grounds.
Q: How often should I apply homemade liquid fertilizer to my potted plants?
Ans: It’s recommended to apply the fertilizer every 2-3 weeks or when the plants show signs of nutrient deficiencies.
Q: Can I use any type of kitchen scraps in my homemade liquid fertilizer?
Ans: Most kitchen scraps can be used, but it’s best to avoid using anything that has been cooked with oil or salt as they can be harmful to plants.
Q: How long can I store homemade liquid fertilizer?
Ans: Homemade liquid fertilizer should be used within a month, as the nutrients will begin to degrade over time. It’s important to keep it in a cool, dark place, away from direct sunlight and heat sources.
Q: Can I use homemade liquid fertilizer for all types of potted plants?
Ans: While homemade liquid fertilizer can be used for a variety of potted plants, it’s important to research the specific needs of the plants before applying it to ensure it provides the right balance of nutrients.