Here are 15 homemade fertilizers that you can make with ingredients found in your kitchen.
July 12, 2017 – Updated on October 28, 2021
There are a few things to keep in mind when fertilizing your plants. The most important thing is not adding too much or applying the wrong type of fertilizer at once; this could do more harm than good for both you and your plant!
It’s time to jump on the homemade fertilization train! Not only are these methods cheaper and easier than store bought chemicals, but they also work better.
Here is our list of 15 helpful tips for making your own fertilizer at home!
Easy Household Fertilizers
In your kitchen or elsewhere around the house, there are many items that you can use as plant fertilizer.
1. Aquarium Water
The aquarium water is the perfect drink for your plants! Not only does it have all of their favorite nutrients, but freshwater fish waste makes an excellent plant fertilizer.
Banana growers and rose gardeners should consider planting bananas alongside their roses. The banana provides potassium for the roots of plant, while enriching soil with natural nutrients needed by young seedlings in order to grow healthy crops!
3. Blackstrap Molasses
Blackstrap molasses is an excellent source of many different nutrients that plants use. This includes carbon, iron, sulfur and potassium which helps keep soil pH balanced while also providing beneficial bacteria needed for healthy plant life.
Blackstrap molasses is a nutrient rich in iron that can be used as an all-purpose fertilizer. To use it, combine one cup each of epsom salts and alfalfa meal with four gallons water; then stir in five tablespoons blackstrap molasses, and there you have it!
4. Coffee Grounds
Coffee grounds are the perfect fertilizer for your garden. Used coffee contains 2 percent nitrogen, a third of phosphoric acid and varying amounts potash.
When applied to acidic plants such as blueberries or roses it can help them grow faster with fewer problems from competition. Place some dry coffee grounds around healthy plant life in springtime – and watch your plants thrive.
5. Cooking Water
Water is essential to plant life. It allows plants to take up nutrients and water, but also releases minerals like calcium through their roots into the soil so they can grow properly!
The type of water you use for cooking has an impact on how successful our gardens will be in producing fruits or vegetables.
6. Corn Gluten Meal
Corn gluten meal is a great organic pre-emergent herbicide and fertilizer. It can be used to combat weeds, but it’s also an excellent source of plant nutrients!
Apply corn gluten meal in thin layers (about 1/4 inch) on top soil where you want your vegetables or fruits to grow.
7. Egg Shells
You might have heard that eggshells are very beneficial for the plants as they contain 1% nitrogen, a half-percent phosphoric acid and other elements.
Calcium is a necessary plant nutrient that plays an important part in cell manufacture or growth. Simply crush up eggshells to powder them before sprinkling around your garden soil!
8. Epsom Salt
There are a variety of ways to get the benefits from magnesium and sulfur. Epsom salt can be combined with water in a sprayer, applied directly onto plant leaves for an easy dose every month – it’s great and plants love it!
9. Fireplace or Fire Pit Ash
Ashes are a great way to fertilize your plants and provide potassium. They also contain calcium carbonate, which helps keep acid-loving plants healthy in areas where pH levels may be low or acidic soil is present.
Gelatin is a great source of nitrogen for your plants. Dissolve one package gelatin in hot water and add three cups cold water, then pour it around the roots when you’re watering them to help promote healthy growth!
11. Green Tea
A weak solution of green tea can be used to water plants every four weeks. Use one teabag per two gallons and you will have enough for a week’s worth!
Hair is a great way to use in the garden, not only because it serves as an effective deer repellent but also it is a great plant fertilizer.
You can get these helpful fibers from yourself, your dog or cat fur, or try your local barber shop.
13. Horse Feed
Horse feed is one of the best fertilizers around, and it’s especially effective when combined with molasses. To use horse food as a fertilizer just sprinkle some on top of your garden soil or mix in water before applying evenly to plants.
Just one match can make your plants grow strong and healthy! It’s easy to use–simply place the whole thing in a hole with soil or soak them in water first.
15. Powdered Milk
Powdered milk has many benefits for plants, including the ability to supply calcium. It should be mixed into soil before planting in order achieve optimal results!