Low-Cost Garden Fertilizer from Sardines (with Recipe) – Mother Earth News (2024)

Garden fertilizer comes in all shapes, sizes, and formulas. Books and magazines maintain you can make your own by mixing this and that, and you’re flowers and veggies will amaze you. So you run to the store and purchase their suggested ingredients and yes, it makes a good fertilizer, though you may be spending near what you would pay if you purchased ready-made fertilizer.

You can, however, follow our simple recipe for homemade garden fertilizer and not have to spend any extra money. We make our fertilizer for little cost and it works great! Our garden fertilizer is from sardines.

Benefits of Sardines for Health and Fertlizer

If you’re not eating sardines yet, you may be missing out on one of the best sources of omega-3 fatty acids and other important minerals, not to mention the taste is terrific! We’ve switched to canned sardines from tuna because of the reports we’ve read about smaller fish holding less toxins than large fish.

Sardines are very low on the food chain and eat mostly plankton. Their small bodies process their food quickly, because they have a higher metabolism, eliminating any significant amount of mercury or other toxins they may have ingested. Larger fish, like tuna and salmon, digest smaller fish they consume slower, allowing toxins to accumulate and concentrate in their organs and meat, later to be ingested by humans.

When I include sardines in a soup recipe, sometimes I pour the whole can, juice and all, into the kettle but sometimes I drain the watery juice off and just use the sardines. When I drain the can, I save the watery juice to make garden fertilizer. I simply add some water to the sardine juice and fertilize our outdoor plants and vegetables with it. Free fertilizer!

Our plants and vegetables thrive with sardine juice, because after all, it is fish fertilizer. Sardines are good for us and sardine water is good for plants. I make sure I buy quality sardines, mostly for the flavor but also for the quality of the juices, and I only buy sardines in water, never oil, and I always look for sardines with lower sodium both for our health and to prevent adding too much sodium to the soil.

Too much sodium can threaten the life of many plants, so read your labels! Saline soils can easily recover by promptly applying a sufficient amount of water to promote leaching of the salts out the root zone.

Sardines are rich in nutrients known to keep our cardiovascular system healthy. This cuts down on unnecessary fats in our diet and is more readily usable for the plants. They are high in omega-3 fatty acids, as well as EPA and DHA, which can lower triglycerides and cholesterol levels. Sardines are a great source of vitamin B12, vitamin D, and phosphorus, which help our arteries and bones and helps us absorb calcium.

Sardines are rich in protein to help form muscle, connective tissue, and antibodies to keep our immune system strong. To learn more about the nutrients in sardines, click here.

Sardines contain many valuable nutrients we need:
• Selenium
• Phosphorus
• Iron
• Magnesium
• Copper
• Zinc

The name Sardine came from an Italian Island called Sardinia, where big schools of these fish were often seen. To read more about Sardinia, click here. With the increasing concern of the health of our open waters, many folks are eating sardines because they do not contain concentrations of heavy metals, like mercury and other contaminants as larger fish do.

These oily-rich fish are small, saltwater, and soft-boned. They are plentiful in the Atlantic, Pacific, and Mediterranean Oceans. Actually the Emperor Napoleon Bonaparte is credited for making these tiny fish desirable by developing sardines as the first canned fish. This was the Emperors way of feeding the multitudes of people in the land he ruled. If you would like to read more about the history of canned sardines, click here.

How to Eat and Where to Find Sardines

Sardines are becoming more and more popular today as people learn about their rich source of omega-3 fatty acids and vitamin D, and their incredibly low levels of mercury and PCBs.

Here are a few ways to enjoy sardines:
• Add to any green salad sprinkled with lemon juice and olive oil
• Add to any pasta sauce with lemon juice, garlic, mustard, salt and pepper
• Add to any soup for increased protein and delicious taste
• Eat right out of the can, adding your choice of spices and herbs
• Mash in a bowl, adding mayo and onions and spread on toast
• Add to your favorite dip or hummus
• Use in place of beef while making tacos

Some very good brands of sardines are:
• Bar Harbor
• Crown Prince
• Wild Planet
• Season Brand

One of our favorite ways to use sardines is with quinoa. This is our recipe:

Quinoa and Sardines Recipe

Yield 2 servings

Ingredients:

• 1 cup cooked Quinoa
• 1 tablespoon chopped Cilantro
• 1 tablespoon chopped Arugula
• 1 teaspoon chopped Lovage leaves or Celery leaves (Read about Lovage here)
• 1/4 teaspoon Fenugreek powder (Read more about Fenugreek here)
• 1/4 teaspoon Bay Leaf powder (optional)
• 1 can chopped Artichoke hearts
• 1 can chopped drained Sardines (save liquid to make fertilizer)

Directions:

Heat artichoke hearts and sardines in a small saucepan. In a separate saucepan, heat cooked quinoa, cilantro, arugula, lovage or celery leaves, fenugreek, and bay. Serve by putting artichoke-sardine mixture on a plate with a scoop of quinoa on top. This is, of course, gluten free and dairy free. Enjoy!

Homemade Sardine Fertilizer for Your Garden

1. Open and drain a can of your choice of sardines, keeping the liquid

2. Use the sardine fish any way you choose

3. Add two quarts (64 oz.) water to the sardine liquid, stirring to distribute

4. Immediately pour on outdoor plants and vegetables

5. Follow with a good watering to assist the sardine fertilizer into the soil

The draining of one sardine can makes a generous two quarts (64 oz.) of fresh garden fertilizer. This may not seem like much quantity of garden fertilizer if you have a large garden, but if you eat two cans of sardines per week, that’s a gallon of fresh fertilizer per week year round making a lot of very inexpensive garden fertilizer!

Disclaimer: All content provided on this blog is for informational purposes only. The author of this blog makes no promises as to the accuracy of any information herein and will not be liable for any errors, omissions in this information or damages caused by this information. Read the Nutritional Facts on each label. Use Sardines with the correct sodium level for the tolerance of your plants. For more information on sodium levels and plants, click here.

Mary Ann Reeseis a certified mentor in designing, building, and operating food bank farms. She has also been certified to teach cooking classes to low-income families. As an organic grower, Mary has owned a mini-farm, greenhouse, chickens, ducks, and geese raised from eggs in an incubator and is happy to share years of wiser living advice with her readers. Read all of her MOTHER EARTH NEWS postshere.

All MOTHER EARTH NEWS community bloggers have agreed to follow our Blogging Guidelines, and they are responsible for the accuracy of their posts. To learn more about the author of this post, click on their byline link at the top of the page.

Low-Cost Garden Fertilizer from Sardines (with Recipe) – Mother Earth News (2024)

FAQs

Low-Cost Garden Fertilizer from Sardines (with Recipe) – Mother Earth News? ›

You can use kitchen waste to make compost. Combine scraps with grass clippings and leaves, and you've got one rich source of natural fertilizers. Coffee grounds, eggshells and fruit and vegetable peelings are great choices for composting.

How to fertilize garden cheap? ›

You can use kitchen waste to make compost. Combine scraps with grass clippings and leaves, and you've got one rich source of natural fertilizers. Coffee grounds, eggshells and fruit and vegetable peelings are great choices for composting.

What organic fertilizer is made from fish? ›

About Fish Emulsion Use

Fish emulsion, or fish fertilizer for plants, is a fast-acting, organic liquid fertilizer made from the byproducts of the fishing industry. It is rich in nitrogen, phosphorus, and potassium, plus trace elements such as calcium, magnesium, sulfur, chlorine, and sodium.

What is the fish fertilizer for the garden? ›

Fish fertilizer is made from whole fish and carcass products, including bones, scales and skin. Rather than let unusable fish products go to waste, these items are converted into nutrients for the garden. Different types of fish, such as menhaden and anchovies, are ground into a slurry.

When should you not eat sardines? ›

The only other concern with canned sardines is the salt, as some varieties are high in sodium. "This will only pose a problem for those who need to limit sodium (for) kidney disease, high blood pressure or history of stroke," says Zumpano.

What is poor mans fertilizer? ›

An old wives tale says that snow is the poor man's fertilizer. This is true because snow contains the nutrient nitrogen. The snow lies as a blanket on the ground and slowly percolates through the soft spring soil, gradually releasing its fertilizer and moisture into the soil.

How to make homemade garden fertilizer? ›

Here are a few easy DIY options you can try: Compost Tea*: Steep composted manure or compost in water for a few days. Dilute the resulting tea before feeding it to your plants. Worm Castings Tea: A powerhouse of nutrients and microbes, worm castings tea can be made by steeping worm castings in water.

How do you make homemade garden fertilizer? ›

Quick how to: Add banana peels, coffee grounds, vegetable scraps, tea bags, and any other organic waste to a large, glass jar using a 1:10 ratio of compost to water. Mix in fresh or dried seaweed as an added nutritional bonus. Seal and shake the mixture once a day to agitate the tea.

What vegetables like fish fertilizer? ›

Most have a ratio where the nitrogen is much higher than equal parts phosphorus and potassium, but rates can vary. What plants respond best to fish emulsion? Fish emulsion is especially effective on vegetables such as leafy greens.

What are the 3 main ingredients of organic fertilizer? ›

An organic fertilizer is a fertilizer that is derived from organic sources, including organic compost, cattle manures, poultry droppings and domestic sewage.

Can fish waste be used as fertilizer? ›

Believe It Or Not, You Can Actually Use Fish Waste For Plants Or Your Organic Garden. According to aquatic specialist Dave Glenn from Lake Management Inc., an aquaponics system can grow both aquatic plants and koi fish that are harvested in a sustainable way.

What is the best fertilizer for vegetable gardens? ›

Most gardeners should use a complete fertilizer with twice as much phosphorus as nitrogen or potassium. An example would be 10-20-10 or 12-24-12. These fertilizers usually are easy to find. Some soils contain enough potassium for good plant growth and don't need more.

What is the best fertilizer for tomatoes? ›

Commonly available fertilizer analysis that are great for tomato seedlings include 8-32-16 and 12-24-12. Mix the fertilizer with water according to package directions. If fertilizer is applied too frequently, or too much product is used at one time, your tomato plants may be damaged.

Are sardines good for growth? ›

Sardines are a great source of protein, providing 23 g in one can. Protein plays many important roles in the body, including: Promoting muscle growth and lean muscle mass. Helping your body build and repair cells.

Are sardines good for the environment? ›

There are many stocks of sardines around the world, several of which are MSC certified, meaning you can find certified sustainable sardines with the blue fish label throughout North America. Long story short: if your sardines have the MSC blue fish label on them, they're sustainable!

Can you make fertilizer out of fish? ›

Made from whole fish or fishing industry byproducts, fish emulsion fertilizer is a great way to supply plants with nutrients. Learn more about the benefits and uses of fish emulsion fertilizer, as well as how to make it at home.

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