Is Blood Good For Plants? Amazing Facts You Should Know in 2022

Garden lovers love to keep their gardens colorful with a variety of plants. To keep these plants healthy, there are two things that you should consider. You always miss the second one!!! The first is you should feed the plants. The second and the most forgetting consideration is you should nourish your soil. Therefore, fertilizing your garden by definition is feeding your plants while nourishing the soil.


When it comes to fertilizing the garden, most gardeners use natural products, which give essential plant nutrients in a slow-release process that supports nourishing soil.


Blood is also a natural fertilizer which is a good source of nitrogen. If it is said so, “Is Blood Good For Plants?” 

The short answer would be, “Yes, blood is good for plants as it is a rich source of nitrogen, which plants need in higher amounts than other nutrients.” 

The long answer is further discussed below…

Is blood good for plants?

Is blood good or bad for plants?

Yes, blood is good for plants, but it is not a balanced fertilizer. Also, blood can be harmful if applied in excess amounts…

Blood mainly consists of nitrogen, phosphorous, and potassium (NPK) which are essential macronutrients for plants. But, if we look at the ratio between them, it is usually 12-0-0 or 13-0-0, which means that blood provides an abundance of organic nitrogen and no other nutrient! 

Is Blood Good For Plants

Do plants like blood?

Yes, plants do like blood! 

It’s a slow-release fertilizer rich in nitrogen, giving your garden plants a healthy experience encouraging organic gardening. When it comes to the health and growth of plants, blood meal is a great fertilizer resource for gardeners to have nourishing plants.

This beneficial garden booster is available in powdered form, which you can add directly into the garden soil. As it is a slow-release fertilizer, it will take some time to show you results after application. 

So, you can’t have an immediate solution for a garden problem by using blood meal.

Is dried blood good for plants?

Yes, dried blood is good for plants. You will find blood in the form of a dried powder in the stores.

The addition of dried blood to the garden soil will increase the N levels and improve soil quality to have healthy and robust plant growth.

One of the precious gardening tips we can share is that many gardeners use dried blood to add N that is lost from multiple plantings. Don’t forget that dried blood can also increase the acidity of your garden soil.

The second out of the gardening tips is, always follow the instructions given on the dried blood fertilizer packet. Too much-dried blood will provide your soil too much N resulting in too much harm to plants.

 Do not let dried blood remain on plant leaves or stems!


Can blood be used as a fertilizer?

Yes, of course, blood can be used as a fertilizer. 

Blood can be introduced as a Nitrogen-rich organic fertilizer and a high protein animal feed. It is a slaughterhouse by-product that is usually taken from cattle or hogs.

Blood is considered one of the richest non-synthetic N sources, which can quickly add N into damaged soils.

Is Blood Good For Plants and blood meal
Is Blood Good For Plants and blood meal

What is blood meal?

Blood meal is a powder made out of dried blood taken as a by-product of animal slaughter. It’s usually come from animals like cattle, hogs, etc.

This extreme source of N is readily available for plants on earth when mixed with the soil. The blood meal and the soil mixture is broken down into simple forms by the soil fauna such as bacteria and fungi. Then the plants can absorb N that is available in the soil through roots.


Is blood meal a good fertilizer?

Yes, Blood meal is a well-known fertilizer used by most organic gardeners. 

It can add N quickly to the soil, which is easier when repairing soil that has been drained of N through repeated planting. A very common example of this incident is vegetable beds.

Therefore, blood meal truly gives benefits to organic gardening.


Is animal blood good for plants?

Yes, you already know that animal blood is suitable for plants in proper amounts. 

Blood taken from animals like cattle is being dried and powdered to be used easily with soil. It’s a helpful agent in gardening to determine and stabilize the health of many plants.

Therefore, blood meal fertilizer plays a prominent role.


Is human blood a good fertilizer?

Yeah, human blood can be one of the best fertilizers. It contains the above-mentioned primary macronutrients to maintain good plant health. 

But, it is unethical, unhygienic, and costly to use human blood as a fertilizer. So, human blood would not be a good option to fertilize your soil, even if it is rich in primary macro-nutrients: nitrogen, phosphorous, and potassium.


Is menstrual blood or period blood good for plants?

Yes, period blood is good for plants, and people actually do it. 

Period blood also contains the same primary macronutrients; nitrogen, phosphorous, and potassium, vital to human and plant metabolism. If you are an organic gardening and a menstrual-cup enthusiast, you can collect your next cycle to boost the growth of your little crops.

Periods is also similar to the store-bought bloodmeal. So, you can try watering your plants with periods collected in your menstrual cup.


Is period blood a good fertilizer for plants?

Yes, period blood is a good fertilizer for plants. 

Dialutiing the periods with water before adding to the plants can apply an even coat of blood on the soil. It’s highly recommended to use only on ornamental plants, not on vegetable plants, fruit plants, or potted herbs.

You can avoid this if you squirm at the sight or smell of blood.

This is recommended only for menstrual cups or disk users because hand-squeezing a saturated tampon is not applicable and hygienic to do.

Is Blood Good For Plants 2022

Common Questions

What plants is blood meal good for?

Some crops use a lot of nitrogen and benefit from blood meal. Some of them are;

  • Tomatoes
  • Peppers
  • Radishes
  • Onions
  • Squash
  • Cruciferous vegetables (broccoli, cabbage, cauliflower, kale, spinach, brussels sprouts)
  • Lettuce
  • Corn


Is blood meal good for tomato plants?

Yes, of course, it is suitable for tomato plants. 

Since it is a highly concentrated N source, you should limit adding blood meal excessively. A minor portion will go a long way in tomato plant growth.


Is blood meal good for pepper plants?

Yes, adding blood meal is great for pepper plants. 

Too much nitrogen will increase the soil acidity, which is favorable for many crops like peppers, onions, squash, and radishes.


Is blood meal good for blueberry plants?

Yes, you can use blood meal for blueberry plants as they love highly acidic soils… 

A mixture of blood meal or fish meal, sphagnum peat or coffee grounds, and bone meal and powdered seaweed satisfies the fertilizer demand of blueberries.

Before adding any organic or chemical fertilizer, it is better to do a soil test. So, the soil test results can ensure that the pH of the soil and the nutrient composition is favorable for blueberries. If not, you can adjust accordingly.


Is blood meal good for marijuana plants?

Yes, you can, and it will be more applicable if the plant is affected by cannabis nitrogen deficiency

However, you should be careful and ensure that you add the proper amount of fertilizer, as excess amounts can mess up the crop in the flowering season. Always go for the correct proportion to have good plant health.


Is organic blood meal good for watermelon plants?

Yes, it is…

Watermelons need a well-balanced fertilizer and/or heaps of rich homemade compost. A mixture of blood meal (nitrogen), bone meal (phosphorous), and greensand (potassium) will give you a good harvest if you use it at the time of planting as an organic gardener.


Is blood meal good for house plants?

Yes, blood meal is good for house plants or indoor plants.

It’s more beneficial to mix bone and blood meals to form a more balanced fertilizer for indoor greens. The phosphorous in bone meal needs acidic soil. So, adding N-rich blood meal can lower the pH of the soil and make phosphorous more available for the indoor greens.


Can blood meal hurt plants?

Yes, blood meal can hurt plants.

Blood meal is a highly concentrated form of Nitrogen. When you use blood meal, you strictly have to follow the application instructions given in the packaging.

Plenty of N can keep plants in your garden from flowering and fruiting on the positive side, but too much can burn the plants and kill them on the negative side.



Benefits of using blood meal fertilizers

  • Plants having sufficient N display large, lush, deep green foliage. 
  • Help increase soil acidity, which is good for plants like peppers, vegetable plants like radishes, onions, squash, and many more.
  • The blood meal fertilizer can repair the depleted soil through repeated cultivations and bring back the natural balance. 

Other nitrogen sources include feather meal or the vegetarian alternative, alfalfa pellets.


Disadvantages of blood meal

  • It can burn plants if not used in proper amounts.
  • Too much N will have a negative effect on fruit production. 
  • May attract pests and other unwanted visitors like dogs, raccoons, possums, and other carnivorous and omnivorous animals. 


Organic fertilizer alternatives to blood meal

You can use the following organic alternatives to blood meal;

  • Feather meal, 12 percent nitrogen
  • Fish meal, 8 percent nitrogen
  • Bat guano, 7 percent nitrogen
  • Cottonseed meal, 6 percent nitrogen
  • Neem seed meal, 6 percent nitrogen


Where can you buy blood meal?

You can buy blood meals from your local nursery, feed store, or online stores than buying from a big box or department store.

This is because low-priced blood meals may come from foreign countries to make bulk purchases at big box or department stores. Also, they may not have good regulations concerning food animal practices. So, the best practice is to buy from a local nursery, feed store, or online store.

When purchasing, remember not to buy big amounts of blood meal because you will only need very little of it, and it is a semi-perishable product. 


Wrapping Up

Now you know whether blood is suitable for plants…

Isn’t it?

There are different organic fertilizers that can be found in the market, but blood meal is affordable. Being an organic gardener, you can thrive on having a garden full of greeny leaves.

Consisting of high-quality nitrogen, blood meal is a good fertilizer to have healthy plants in your garden. As we have such natural fertilizers, don’t forget that we have natural poison too.

Comment us your experience in using blood meal for plants…

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