You’re searching for the right blood meal to boost your garden’s nitrogen levels, but you’ll find countless options claiming superiority. Each product offers different concentrations, package sizes, and certification standards that can make your decision complicated. Understanding what separates these fertilizers—and which one truly fits your gardening goals—requires careful consideration of specific factors.
| True Organic Blood Meal High-Nitrogen Fertilizer 3lb |  | Best Overall | Nitrogen Content (N-P-K): High-nitrogen (specific ratio not stated) | Package Size: 3 lb | Organic Certification: Organic and sustainable | CHECK ON AMAZON | Read Our Analysis |
| Burpee Organic Blood Meal Fertilizer 3 lb |  | Most Trusted Brand | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 3 lb (1-pack) | Organic Certification: OMRI Listed for organic use | CHECK ON AMAZON | Read Our Analysis |
| Back to The Roots Organic Blood Meal for Plants |  | Best For Houseplants | Nitrogen Content (N-P-K): Not specified | Package Size: Size not specified | Organic Certification: 100% Organic | CHECK ON AMAZON | Read Our Analysis |
| Espoma Organic Blood Meal Fertilizer 12-0-0 (3-Pack) |  | Best Value Pack | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 3 lb (3-pack) | Organic Certification: Approved for organic gardening; Registered Organic Input Material | CHECK ON AMAZON | Read Our Analysis |
| Down To Earth Organic Blood Meal Fertilizer 12-0-0 |  | Quick-Acting Formula | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 4 lb | Organic Certification: OMRI-Certified Organic | CHECK ON AMAZON | Read Our Analysis |
| Espoma Organic Blood Meal Fertilizer 12-0-0 (3 lb) | Best Single Bag | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 3 lb | Organic Certification: Approved for organic gardening; Registered Organic Input Material | CHECK ON AMAZON | Read Our Analysis | |
| Espoma Organic Blood Meal Fertilizer 12-0-0 (17 lb) |  | Bulk Buy Option | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 17 lb | Organic Certification: Approved for organic gardening; Registered Organic Input Material | CHECK ON AMAZON | Read Our Analysis |
| Down To Earth Organic Blood Meal Fertilizer (12-0-0) |  | Best Starter Size | Nitrogen Content (N-P-K): 12-0-0 | Package Size: 0.5 lb | Organic Certification: OMRI Listed for organic gardening | CHECK ON AMAZON | Read Our Analysis |
| Blood Meal 25lb Bag |  | Economy Bulk Choice | Nitrogen Content (N-P-K): Not specified | Package Size: 25 lb | Organic Certification: Not explicitly stated | CHECK ON AMAZON | Read Our Analysis |
| Earth Science Natural Blood Meal Plant Food (3 lb) |  | Best Compost Activator | Nitrogen Content (N-P-K): Organic nitrogen-rich (specific ratio not stated) | Package Size: 3 lb (48 oz) | Organic Certification: Organic nitrogen-rich formula; supports organic gardening | CHECK ON AMAZON | Read Our Analysis |
More Details on Our Top Picks
True Organic Blood Meal High-Nitrogen Fertilizer 3lb
If you’re looking for a high-nitrogen fertilizer that’ll supercharge your vegetable garden, True Organic Blood Meal’s got you covered. This all-natural formula accelerates vegetative growth for heavy feeders like corn, spinach, and broccoli, delivering lush, green foliage and robust plant health. The 3-pound bag covers up to 104 square feet, making it cost-effective for any garden size. Apply it twice yearly during spring and fall for consistent results in both in-ground and container plants. You’ll appreciate its organic composition—no harmful chemicals here, just sustainable ingredients supporting your plants and soil simultaneously.
- Nitrogen Content (N-P-K):High-nitrogen (specific ratio not stated)
- Package Size:3 lb
- Organic Certification:Organic and sustainable
- Best Application Timing:Spring and Fall
- Primary Plant Use:Heavy feeders: corn, spinach, broccoli, leafy greens
- Special Attributes/Benefits:Rapid vegetative growth; covers up to 104 sq. ft.
- Additional Feature:Covers up to 104 sq. ft.
- Additional Feature:Twice-annual application consistency
- Additional Feature:All-natural ingredient composition
Burpee Organic Blood Meal Fertilizer 3 lb
Gardeners seeking an OMRI-listed organic nitrogen boost for vegetables and fruiting plants will find Burpee’s 3 lb blood meal fertilizer delivers concentrated, readily available nutrients with the added benefit of pest deterrence. You’ll strengthen leafy greens, tomatoes, peppers, and squash with its 12-0-0 nitrogen formula, promoting bountiful yields throughout the season. The blood meal’s natural odor deters deer, rabbits, and moles from your garden. Since 1876, Burpee’s trusted reputation ensures you’re getting quality products backed by accurate gardening guidance. Simply add it to potting soil and follow package directions for optimal growth while supporting beneficial soil microorganisms.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:3 lb (1-pack)
- Organic Certification:OMRI Listed for organic use
- Best Application Timing:Throughout growing season
- Primary Plant Use:Tomatoes, spinach, broccoli, leafy greens, lettuce, kale, squash, corn, eggplant, peppers
- Special Attributes/Benefits:Pest control; deer, rabbit, mole deterrent; added calcium support
- Additional Feature:Deer/rabbit/mole pest deterrent
- Additional Feature:OMRI Listed organic certified
- Additional Feature:Since 1876 heritage trust
Back to The Roots Organic Blood Meal for Plants
Looking for a premium blood meal that’ll transform your indoor and outdoor plants without synthetic additives? Back to The Roots 100% Organic Blood Meal delivers slow-release nutrition made right here in the USA. You’ll boost root and flower growth while promoting lush, vibrant foliage that’ll make your garden pop. The added calcium supports fruiting and helps green up those yellowing leaves fast. Whether you’re nurturing houseplants, vegetables, or flowers, this product strengthens overall plant vigor. Plus, you’re backed by a 100% satisfaction guarantee—if results disappoint, contact their support team for guidance or a refund. Share your success with #GROWONEGIVEONE and they’ll donate educational kits to classrooms.
- Nitrogen Content (N-P-K):Not specified
- Package Size:Size not specified
- Organic Certification:100% Organic
- Best Application Timing:Not specified
- Primary Plant Use:Flowers, vegetables, houseplants
- Special Attributes/Benefits:Added calcium for fruiting; #GROWONEGIVEONE program; 100% satisfaction guarantee
- Additional Feature:Added calcium for fruiting
- Additional Feature:100% satisfaction guarantee included
- Additional Feature:#GROWONEGIVEONE school donation program
Espoma Organic Blood Meal Fertilizer 12-0-0 (3-Pack)
The Espoma Organic Blood Meal Fertilizer 12-0-0 stands out as the ideal choice for gardeners seeking a straightforward, chemical-free nitrogen boost. This all-natural product delivers 12% nitrogen without fillers or additives, promoting vigorous growth and deep green foliage across flowers, vegetables, trees, and shrubs. You’ll apply it by sprinkling the granules onto soil, then watering thoroughly—as simple as seasoning food. Best used during spring and fall, each 3-pack contains three 1-pound bags of pure domestic blood meal. Since 1929, Espoma Company’s commitment to organic excellence shines through this OMRI-certified product, meeting all organic production standards. You’re investing in a proven, USA-made nitrogen source that works wherever your garden needs strengthening.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:3 lb (3-pack)
- Organic Certification:Approved for organic gardening; Registered Organic Input Material
- Best Application Timing:Spring & Fall
- Primary Plant Use:Flowers, vegetables, trees, shrubs
- Special Attributes/Benefits:No fillers or additives; USA-made; leader since 1929
- Additional Feature:Three 3 lb bags
- Additional Feature:Salt & pepper application method
- Additional Feature:Leader in organics since 1929
Down To Earth Organic Blood Meal Fertilizer 12-0-0
If you’re cultivating nitrogen-hungry plants and want immediate results, Down To Earth Organic Blood Meal Fertilizer 12-0-0 delivers what you need. This OMRI-certified organic formula packs 12% nitrogen, making it ideal for vegetables, herbs, flowers, and lawns. You’ll notice quick greening and vigorous growth as plants rapidly absorb the nutrients. The quick-acting nature means you won’t wait long for results. Beyond immediate benefits, you’re enriching your soil with valuable organic matter that supports long-term fertility and garden health. At 4 pounds per package, you’re getting a concentrated, potent nitrogen source that transforms foliage development and strengthens overall plant structure.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:4 lb
- Organic Certification:OMRI-Certified Organic
- Best Application Timing:Not specified
- Primary Plant Use:Vegetables, herbs, flowers, lawns
- Special Attributes/Benefits:Quick-acting; improves soil fertility and long-term health
- Additional Feature:Quick-acting nitrogen boost formula
- Additional Feature:Improves long-term soil fertility
- Additional Feature:OMRI-Certified Organic standards met
Espoma Organic Blood Meal Fertilizer 12-0-0 (3 lb)
Want a nitrogen boost that’s been trusted for nearly a century? Espoma’s Organic Blood Meal Fertilizer delivers exactly that. This USA-made product packs a 12-0-0 nitrogen ratio, promoting vigorous growth and deep green foliage across flowers, vegetables, trees, and shrubs. You’ll appreciate its simplicity: 100% pure blood meal with zero fillers or additives. Simply sprinkle it onto soil during spring and fall, then water thoroughly. It’s OMRI-certified for organic gardening, meeting all organic production standards. The convenient 3 lb. bag provides plenty for most home gardens, making it an economical choice for gardeners seeking reliable, natural nitrogen supplementation.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:3 lb
- Organic Certification:Approved for organic gardening; Registered Organic Input Material
- Best Application Timing:Spring & Fall
- Primary Plant Use:Flowers, vegetables, trees, shrubs
- Special Attributes/Benefits:No fillers or additives; USA-made; leader since 1929
- Additional Feature:No fillers or additives
- Additional Feature:USA-made Espoma Company product
- Additional Feature:Salt & pepper sprinkle method
Espoma Organic Blood Meal Fertilizer 12-0-0 (17 lb)
Organic gardeners seeking a certified, pure nitrogen boost will find Espoma’s blood meal an exceptional choice. You’ll appreciate this 17 lb bag’s substantial size, offering excellent value for larger gardens or multiple applications. The 12-0-0 formula delivers concentrated nitrogen that promotes vigorous growth and deep green foliage across flowers, vegetables, trees, and shrubs. You simply sprinkle it onto soil and water thoroughly. Made entirely from domestic blood meal with zero fillers or additives, it’s certified organic and registered for organic production. Since 1929, Espoma’s proven track record ensures you’re investing in quality. Apply during spring and fall for optimal results.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:17 lb
- Organic Certification:Approved for organic gardening; Registered Organic Input Material
- Best Application Timing:Spring & Fall
- Primary Plant Use:Flowers, vegetables, trees, shrubs
- Special Attributes/Benefits:No fillers or additives; USA-made; leader since 1929
- Additional Feature:Large 17 lb bulk bag
- Additional Feature:100% domestic blood meal
- Additional Feature:Registered Organic Input Material
Down To Earth Organic Blood Meal Fertilizer (12-0-0)
Looking to give your leafy greens and heavy feeders a nitrogen boost without waiting around? Down To Earth’s 12-0-0 blood meal delivers fast-acting nitrogen that corrects deficiencies quickly. The 0.5 lb size suits small gardens and containers perfectly, letting you target specific plants without excess. It’s OMRI-listed for organic gardening and made from sustainably sourced ingredients. This nitrogen-focused formula promotes vigorous leafy growth during early stages, making it ideal for corn, broccoli, and other nitrogen-hungry crops. You’ll appreciate its quick-release action and straightforward application, though you’ll want to pair it with other soil-building practices for balanced nutrition.
- Nitrogen Content (N-P-K):12-0-0
- Package Size:0.5 lb
- Organic Certification:OMRI Listed for organic gardening
- Best Application Timing:Early growth stages
- Primary Plant Use:Vegetables, flowers, lawns, heavy feeders
- Special Attributes/Benefits:Fast-acting; small size for targeted applications
- Additional Feature:Convenient 0.5 lb size
- Additional Feature:Targeted small garden application
- Additional Feature:Fast-release nitrogen deficiency correction
Blood Meal 25lb Bag
If you’re seeking rapid nutrient delivery for vigorous plant growth, this 25lb bag’s fast-acting formula won’t disappoint you. You’ll notice immediate nutrient release into your soil, jumpstarting plant development. The product’s high nitrogen content boosts foliage density and promotes lush green leaves across vegetables, flowers, and ornamental plants. What sets it apart is its dual-action approach: you get quick results plus sustained nourishment as it decomposes over time. You can apply it across your entire garden—vegetables, shrubs, and trees all benefit. The formula enhances soil fertility, encourages microbial activity, and supports robust flowering and fruit development. You’re investing in quality assurance with products meeting high standards, ensuring purity and effectiveness for superior yields.
- Nitrogen Content (N-P-K):Not specified
- Package Size:25 lb
- Organic Certification:Not explicitly stated
- Best Application Timing:Not specified
- Primary Plant Use:Leafy vegetables, ornamental plants, flowers, shrubs, trees
- Special Attributes/Benefits:Fast-acting and long-lasting effects; supports microbial activity
- Additional Feature:Promotes microbial soil activity
- Additional Feature:Long-lasting decomposition effects
- Additional Feature:High-yield fruit development support
Earth Science Natural Blood Meal Plant Food (3 lb)
Earth Science’s 3-lb blood meal product delivers nitrogen-rich granules that’ll energize your garden beds, vegetable patches, and potted plants with organic feeding power. You’ll appreciate its versatility across flowers, vegetables, trees, and shrubs while activating compost piles efficiently. The granular formula supports organic gardening practices and promotes vibrant growth with bigger harvests. Apply generously for heavy-feeding plants requiring more nutrients. At just under 3 pounds, this compact option suits smaller gardens and potted collections without excessive packaging waste. Available since January 2023, it ranks competitively in garden fertilizers, making it a reliable choice for gardeners seeking concentrated organic nitrogen solutions.
- Nitrogen Content (N-P-K):Organic nitrogen-rich (specific ratio not stated)
- Package Size:3 lb (48 oz)
- Organic Certification:Organic nitrogen-rich formula; supports organic gardening
- Best Application Timing:Not specified
- Primary Plant Use:Flowers, vegetables, trees, shrubs, potted plants
- Special Attributes/Benefits:Activates compost; granule form; high sellers rank (#62,822 in Patio/Lawn/Garden)
- Additional Feature:Activates compost pile enrichment
- Additional Feature:Granule form convenience
- Additional Feature:Ranked #62,822 patio/lawn/garden bestseller
Factors to Consider When Choosing Blood Meal
You’ll want to evaluate the nitrogen content strength to ensure it matches your plants’ needs, then consider bag size and coverage to determine how far your purchase’ll stretch across your garden. Check for organic certification if you’re committed to chemical-free gardening, and confirm that the application timing and method align with your planting schedule and soil conditions. Finally, verify that the blood meal you select is compatible with your specific plant types, since different species have varying nutrient requirements and sensitivities.
Nitrogen Content Strength
Most blood meal products deliver a potent 12% nitrogen content—listed as 12-0-0 on the NPK label—making them one of the strongest organic nitrogen sources available. You’ll find that fast-acting formulas release nitrogen quickly, greening up your foliage and promoting vigorous growth almost immediately.
However, higher nitrogen percentages demand caution. Overapplication risks leaf burn and soil imbalances that can harm your plants. Consider whether you need rapid results or prefer steady, sustained feeding. Slow-release or pelleted versions extend nitrogen availability over weeks, reducing application frequency and giving you better control over nutrient delivery.
Choose standard 12-0-0 blood meal for quick vegetative boosts, or opt for pelleted variants if you prefer a gentler, longer-lasting approach that minimizes burn risk.
Bag Size and Coverage
How much coverage do you actually need? Bag size directly impacts your total coverage area, with larger bags typically delivering more square footage per application than smaller options. You’ll find coverage specified in square feet—a 3 lb bag covers roughly 104 sq ft, for example—which helps you calculate exactly how many bags you’ll need for your space.
Start by measuring your total treatment area, then divide that square footage by the per-bag coverage rate. This straightforward calculation tells you precisely how many bags to purchase.
While larger bags often provide better value per square foot, they’re heavier and harder to handle and store. Always check your product’s packaging for specific coverage claims, since formulations vary. A 12-0-0 nitrogen-focused product may cover differently than other blood meal variations.
Organic Certification Status
If you’re committed to organic gardening, verifying a blood meal product’s certification status is essential before purchasing. Look for OMRI-listed designation or equivalent certifications from recognized organic bodies, which confirm the product meets established organic production standards. These certifications guarantee that your blood meal contains no synthetic additives or fillers that’d disqualify it from organic use. Checking certification status isn’t just about compliance—it’s about protecting your organic soil program and ensuring you’ll pass certification audits if you’re pursuing organic credentials for your garden or farm. Products without proper certification may contain undisclosed ingredients that compromise your organic integrity. Always verify the label before adding any blood meal to your organic gardening system.
Application Timing and Method
When you’re ready to add blood meal to your garden, timing and technique matter just as much as product quality. You’ll achieve the best results by applying it during spring and fall when plants experience their most vigorous growth spurts, avoiding the stress of summer heat.
For application, you should sprinkle blood meal evenly across your soil, then lightly water it in to ensure consistent nitrogen distribution. If you’re working with container plants, mix it into the top inch of soil to prevent root burn while promoting quick nutrient uptake.
Space your applications twice per growing season to maintain steady nitrogen supply and preserve soil health. This measured approach prevents nutrient imbalances while supporting heavy feeders like leafy greens, corn, and broccoli throughout their development.
Plant Type Compatibility
Not all plants respond equally to blood meal’s intense nitrogen delivery, so matching it to your garden’s composition is essential for success. Heavy feeders like corn, lettuce, kale, spinach, and broccoli thrive with blood meal’s rapid nitrogen boost, making it optimal for leafy vegetable beds. However, light-demanding crops can suffer from excessive lush growth if you overapply it.
Flowering and fruiting plants require caution—while improved foliage helps indirectly, too much nitrogen delays fruit set. Choose slower-release amendments or balanced nutrients instead for these crops.
Container gardening demands careful dosing since confined root zones risk nutrient burn. Always verify OMRI-certification if you’re gardening organically, and time applications during spring or fall to align with your plants’ growth stages for optimal nutrient uptake.
Price and Value Proposition
How much you’ll spend on blood meal depends largely on package size and product certification—and understanding this relationship helps you stretch your gardening budget further.
Smaller 3 lb bags typically cost more per pound than bulk 17 lb options, though they cover roughly 104 sq. ft. Higher nitrogen-content formulas command premiums, delivering faster greening and vigorous growth. OMRI-listed or organic-certified products generally match standard 12-0-0 nitrogen levels but vary in pricing based on bag size.
Your best value emerges when you balance coverage area, longevity, and certification needs against upfront costs. Fast-acting products suit quick results, while long-acting options provide sustained feeding. Calculate cost per square foot across your actual garden size to identify which option truly maximizes your investment.
Frequently Asked Questions
Is Blood Meal Safe to Use Around Pets and Children?
You should keep blood meal away from pets and children since it’s toxic if ingested in large amounts. You’ll want to apply it carefully, water it in thoroughly, and store it securely out of reach.
How Long Does Blood Meal Take to Show Results on Plants?
You’ll typically notice results within 1-2 weeks of applying blood meal. Your plants absorb the nitrogen quickly, showing greener foliage and enhanced growth. However, you’ll see the most dramatic improvements after 3-4 weeks of consistent application.
Can Blood Meal Be Used on All Types of Plants Equally?
You can’t use blood meal equally on all plants. You’ll get best results with nitrogen-hungry vegetables, flowers, and foliage plants. You’ll want to avoid it on root crops and acid-sensitive plants that don’t tolerate its alkalinity well.
What Is the Environmental Impact of Blood Meal Production?
You’ll find that blood meal production has minimal environmental impact since it’s a byproduct of slaughterhouses. You’re recycling waste material that’d otherwise go unused, making it sustainable and eco-friendly for your gardening needs.
How Should Blood Meal Be Stored to Maintain Its Effectiveness?
You should store blood meal in a cool, dry place away from moisture and direct sunlight. Keep it in airtight containers to prevent clumping and degradation. You’ll maintain its nitrogen content and effectiveness for longer periods this way.
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