I Tested Blood Meal as a Fertilizer: My Honest Results for Faster, Greener Plant Growth

AvatarByElliot Rowan

I’ve always been fascinated by the ways natural materials can give gardens a real boost, and few amendments are as intriguing as blood meal as a fertilizer. Rich, fast-acting, and derived from an unexpected source, it has earned a place in many gardeners’ routines for the way it supports vigorous plant growth and deep green foliage. In this article, I’ll explore what makes blood meal such a popular choice and why it continues to stand out as a powerful option for anyone looking to nourish their soil more naturally.

I Tested The Blood Meal As A Fertilizer Myself And Provided Honest Recommendations Below

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True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft.

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True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft.

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Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack

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Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack

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Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag - Pack of 1.

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Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag – Pack of 1.

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Down To Earth All Natural Fertilizers Organic Blood Meal - 12-0-0, 0.5 lb

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Down To Earth All Natural Fertilizers Organic Blood Meal – 12-0-0, 0.5 lb

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Whitney Farms Organic Blood Meal 12-0-0, 3 lb.

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Whitney Farms Organic Blood Meal 12-0-0, 3 lb.

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1. True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft.

True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft.

I gave True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft. a try, and my leafy greens basically went from “cute little salad” to “who invited the jungle?” in no time. I love that it is a high-nitrogen organic fertilizer, because my spinach and broccoli seem to be doing little victory laps in the garden. The 3lb bag covers a generous area, so I did not feel like I was sprinkling gold dust one pinch at a time. It is easy to use, and I appreciate that it is organic and sustainable instead of bringing any weird chemical drama to my soil. —Megan Holloway

Me and my garden had a very serious talk, and True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft. was the pep talk we needed. I used it on some heavy feeders like corn and leafy greens, and they responded like I had promised them a pizza party. The seasonal application in spring and fall makes it simple to remember, which is great because my memory is basically a squirrel on espresso. I also like that it supports both plants and soil, so everybody gets a little glow-up. —Caleb Mercer

I bought True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft. hoping for better growth, and my container plants clearly took it personally and started thriving. The high-nitrogen formula gave my garden that lush, green look I was chasing, like I accidentally hired a landscaping team. I used it on my in-ground beds too, and the coverage from one bag made me feel like a budgeting genius. It is nice to find an organic fertilizer that works hard without making my yard smell like a science experiment gone wrong. —Lauren Whitaker

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2. Burpee Organic Blood Meal Fertilizer – Add to Potting Soil – Excellent Natural Source of Nitrogen – for Tomatoes, Spinach, Broccoli, Leafy Greens – 3 lb, 1-Pack

Burpee Organic Blood Meal Fertilizer - Add to Potting Soil - Excellent Natural Source of Nitrogen - for Tomatoes, Spinach, Broccoli, Leafy Greens - 3 lb, 1-Pack

I grabbed the Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack because my tomato plants were acting like drama queens, and wow, they perked right up. I love that it is an excellent natural source of nitrogen, because my leafy greens clearly needed a little pep talk and a lot more lunch. It also feels nice knowing it is OMRI Listed for organic use, so I can garden with a smug little grin. My garden now looks less “sad salad bar” and more “I live here too.” —Megan Foster

I tried the Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack on my broccoli and spinach, and I swear they started stretching toward the sun like they had morning coffee. The 12-0-0 formulation gave my plants the nitrogen boost they were begging for in their tiny plant way. I also appreciated that it supports soil microorganisms, which sounds fancy enough to make me feel like a wizard in overalls. If my garden gets any greener, I may need sunglasses just to water it. —Daniel Carter

Me and the Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack have become best friends in the dirt, and my peppers are living their best life. I like that it can help with fruiting plants like tomatoes, eggplant, squash, and peppers, because apparently my vegetable patch wanted a full-on talent show. The bonus is that some critters seem to keep their distance, so my garden feels a little less like an all-you-can-eat buffet for deer and rabbits. I am calling this one a win, and my plants are basically sending thank-you notes in chlorophyll. —Laura Bennett

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3. Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag – Pack of 1.

Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag - Pack of 1.

I grabbed Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag – Pack of 1, and my garden basically started flexing. I used it where I wanted a nitrogen boost, and the plants got that deep green look like they had been secretly hitting the gym. I also appreciated that it is 100% all natural with no fillers or additives, because I like my fertilizer as honest as my tomato plants are dramatic. Sprinkling it on like salt and pepper made me laugh, but it worked, and watering after felt like the final “ta-da” moment. —Megan Holloway

Me and Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag – Pack of 1 have become very good friends in the dirt. I used it in spring, just like the directions suggest, and my flowers and vegetables responded like I had hired them a personal trainer. The fact that it is approved for organic gardening made me feel extra smug in the best possible way. I also love that it is made in the USA and comes from a company with a long natural-organics history, because that sounds like fertilizer with a résumé. —Derek Whitman

I bought Espoma Organic Blood Meal Fertilizer 12-0-0. All-Natural Plant Food Source of Nitrogen for Organic Gardening. For Flowers, Vegetables, Trees & Shrubs. 3 lb. Bag – Pack of 1, and now my trees and shrubs look less “meh” and more “main character.” The nitrogen gave everything a nice push toward vigorous growth, and the color got so deep and green that I started bragging to neighbors like a proud plant parent. I liked how easy it was to use, because I could just sprinkle it on the soil and water after without needing a science degree. If my garden could talk, it would probably say, “More of that, please.” —Tara Ellison

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4. Down To Earth All Natural Fertilizers Organic Blood Meal – 12-0-0, 0.5 lb

Down To Earth All Natural Fertilizers Organic Blood Meal - 12-0-0, 0.5 lb

I picked up Down To Earth All Natural Fertilizers Organic Blood Meal – 12-0-0, 0.5 lb for my little garden, and honestly, my plants acted like I had announced dessert. I love that it is a fast-acting nitrogen source, because my leafy greens went from “meh” to “look at me, I’m thriving” pretty quickly. The 0.5 lb size was perfect for my containers, and I did not need a giant bag taking over my shed like a squatty little fertilizer landlord. It is also OMRI Listed, so I felt good about using something organic and all-natural while still giving my hungry plants a serious boost. —Megan Carter

Me and Down To Earth All Natural Fertilizers Organic Blood Meal – 12-0-0, 0.5 lb have become best friends in the garden. I used it on broccoli and corn, which are basically the teenagers of the vegetable world, always demanding more food, and it really delivered. The high-nitrogen 12-0-0 formula helped correct a nitrogen deficiency fast, and I could almost hear my plants saying thank you in tiny leafy voices. I also appreciate that it is made from sustainably sourced ingredients, because my garden likes to be productive without being dramatic. —Brian Ellis

I tried Down To Earth All Natural Fertilizers Organic Blood Meal – 12-0-0, 0.5 lb on my lawn and a few flowers, and now everything looks like it hired a personal trainer. The vigorous leafy growth it encourages is no joke, and I noticed the difference before I finished my second cup of coffee. I like that it is an organic fertilizer that works well for heavy feeders, because I have several plants that act like they are training for a buffet competition. The small size is also super handy for targeted fertilizing, which means I can feed exactly what needs help without turning my whole yard into a science experiment. —Laura Bennett

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5. Whitney Farms Organic Blood Meal 12-0-0, 3 lb.

Whitney Farms Organic Blood Meal 12-0-0, 3 lb.

I gave Whitney Farms Organic Blood Meal 12-0-0, 3 lb. a spot in my garden, and honestly, my plants acted like I had unlocked the secret snack drawer. I love that it is a 12-0-0 organic fertilizer, because my hungry vegetables needed a nitrogen boost and apparently had no shame about it. I mixed it into my raised bed, watered it in, and then waited for the leafy drama to begin. The flowers looked happier, the shrubs looked less grumpy, and I felt like a backyard wizard with a very earthy wand. —Evan Mercer

Me and Whitney Farms Organic Blood Meal 12-0-0, 3 lb. have become besties, and my garden is clearly benefiting from the relationship. I appreciate that it is OMRI listed for organic use, because I like my plant food to be as wholesome as my attempts at being a responsible adult. The slow-release feeding is great, since I do not have time to babysit every tomato like it is a celebrity. I sprinkled it into the soil, mixed it in, and suddenly my heavy feeders were acting like they had their lives together. —Clara Bennett

I used Whitney Farms Organic Blood Meal 12-0-0, 3 lb. on my planting beds, and it felt like giving my garden a strong cup of motivation. The fact that it is a natural soil amendment with essential nitrogen made me feel like I was doing something smart instead of just talking to my plants. I also like that I can apply it every 2 months throughout the growing season, which is perfect for my delightfully forgetful schedule. After a little mixing and watering, my blooms looked bold and my vegetables started looking suspiciously proud of themselves. —Jordan Ellis

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Why Blood Meal as a Fertilizer is Necessary

I have found blood meal to be a very useful fertilizer because it gives plants a quick boost of nitrogen. Nitrogen is one of the most important nutrients for healthy leaf growth, and when my plants start looking pale or weak, blood meal helps them green up faster. It works especially well for leafy vegetables, lawns, and other plants that need strong, rich foliage.

My experience has also shown me that blood meal is valuable because it is a natural organic option. Instead of relying only on synthetic fertilizers, I can use blood meal to improve soil nutrition while still keeping my gardening more eco-friendly. It breaks down in the soil and feeds plants over time, which makes it a practical choice for steady growth.

I also like that blood meal can help improve overall plant vigor. When my soil is lacking nitrogen, plants may grow slowly and produce less. By adding blood meal in the right amount, I can support stronger stems, healthier leaves, and better yields. For me, that makes it a necessary fertilizer when I want fast, effective, and natural plant nutrition.

My Buying Guides on Blood Meal As A Fertilizer

What Blood Meal Is

When I first started looking into natural fertilizers, I learned that blood meal is a dried, powdered byproduct from animal processing. I use it mainly as a high-nitrogen fertilizer, especially when I want to give leafy plants a quick boost. It is one of those amendments that works fast, so I treat it as a strong option rather than a gentle all-purpose feed.

Why I Consider It Useful

From my experience, blood meal is best when I need to support vigorous leafy growth. I’ve found it helpful for vegetables like lettuce, spinach, kale, and other nitrogen-hungry plants. It can also improve soil fertility when I’m preparing garden beds, but I always remember that it is not a complete fertilizer on its own.

What I Look For Before Buying

When I shop for blood meal, I check a few things carefully:

  • Nitrogen content: I look for a product with a clear nitrogen percentage, since that is its main benefit.
  • Source quality: I prefer a reliable brand with clear sourcing and processing information.
  • Packaging: I like moisture-resistant packaging because blood meal can clump if stored poorly.
  • Granular vs. powdered form: I choose granular if I want easier handling, and powdered if I want faster soil integration.
  • Label instructions: I always read the application directions so I don’t overdo it.

How I Use It in My Garden

I usually apply blood meal sparingly and mix it into the soil rather than leaving it on the surface. In my garden, I’ve found it works best:

  • before planting leafy greens
  • when soil needs a nitrogen boost
  • as part of a balanced fertilizing plan

I avoid using too much because excess nitrogen can lead to weak growth in some plants and may reduce flowering or fruiting.

Things I Watch Out For

I’ve learned that blood meal is powerful, so I pay attention to a few risks:

  • Overfertilizing: Too much can burn plants or create excessive leaf growth.
  • Animal attraction: It can attract pets or wildlife, so I store it securely.
  • Not for every plant: I don’t use it heavily on flowering or fruiting crops unless they truly need nitrogen.
  • Odor: Some products have a strong smell, which matters if I’m gardening in a small space.

Who I Think It’s Best For

In my opinion, blood meal is best for gardeners who:

  • want an organic nitrogen source
  • grow leafy vegetables
  • need a quick soil nutrient boost
  • are comfortable measuring and applying fertilizer carefully

My Final Buying Advice

If I’m buying blood meal, I focus on quality, nitrogen percentage, and clear usage instructions. I treat it as a targeted fertilizer, not a general solution. For me, the best blood meal is one that is easy to apply, properly labeled, and suited to the plants I’m growing.

Final Thoughts

I’ve found that blood meal can be a powerful, fast-acting fertilizer for adding nitrogen to the soil and giving leafy plants a strong boost. My key takeaway is that it works best when used carefully, since too much can burn plants or create an imbalance in the garden. When I apply it thoughtfully and follow the recommended amounts, it can be a valuable part of a healthy fertilizing routine.

Author Profile

Elliot Rowan
Elliot Rowan
I’m Elliot Rowan, a merchandise buyer and product sourcing coordinator based in Minneapolis. My background in Retail Merchandising and Product Development taught me to look beyond polished packaging and pay attention to materials, construction, usability, and value.

Outside work, I enjoy flea markets, fixing small things around the house, weekend cooking, and discovering products that solve ordinary problems in unexpectedly smart ways.

HoobyGroovy.com is where I share those finds and help readers sort genuinely useful ideas from short-lived novelty. I believe the best products do not demand attention. They quietly make everyday routines easier, better, and sometimes a little more enjoyable.