Looking for the Best Organic Nitrogen Fertilizer available to buy right now on Amazon but don’t want to have to do all the research on the pros and cons of the different types of Organic Nitrogen Fertilizer?
Pop Expert have put together this list of the top 10 selling Organic Nitrogen Fertilizer on Amazon – sorted by overall popularity and positive consumer reviews.
The Pop Expert list of top selling Organic Nitrogen Fertilizer is the ideal place to start when you are trying to find the Best Organic Nitrogen Fertilizer for your neeeds.
Popular Organic Nitrogen Fertilizer on Amazon
Details on the Best Organic Nitrogen Fertilizer
Bestseller No. 1
True Organic Blood Meal – High-Nitrogen Organic Fertilizer for Rapid Vegetative Growth – 3lb Bag Covers 104 Sq. Ft.
- Encourages Rapid Growth: True Organic Blood Meal is perfect for heavy feeders like corn, spinach, broccoli, and leafy greens, promoting vigorous vegetative growth.
- High-Nitrogen Formula: A powerful natural source of nitrogen, ideal for boosting lush, green foliage and overall plant health.
- Seasonal Application: Suitable for in-ground and container plants, apply twice annually in Spring and Fall for consistent results.
- Organic and Sustainable: Made from all-natural ingredients, supporting both plants and soil without harmful chemicals.
- Generous Coverage: A 3lb bag covers up to 104 sq. ft., making it a cost-effective choice for gardeners of all sizes.
Bestseller No. 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
- GROW STRONGER PLANTS: Blood meal is an effective starter fertilizer and excellent source of nitrogen for green garden vegetables and colorful flower blooms. This natural soil amendment helps to promote bountiful growth and yield throughout your growing season.
- ORGANIC GARDENING HELPER: Our blood meal fertilizer is OMRI Listed for organic use. It's specially formulated for vegetables that require additional nitrogen - such as lettuce, kale, squash, and corn. Also for fruiting plants like tomatoes, eggplant, squash and peppers.
- SUPPORTS SOIL HEALTH: Burpee Blood Meal 12-0-0 formulation is a concentrated source of nitrogen that also supports soil microorganisms that keep soils and plants healthy. An age-old, natural source of readily available nitrogen that’s as effective today as it was in our grandparents’ time.
- PEST CONTROL: Many animals avoid the smell of blood, so Blood Meal can be a very effective repellent for deer, rabbits, moles and other pesky garden critters that like to feed on your vegetables and flowers. Be sure to follow package directions for the amount to use for optimal plant growth.
- Since 1876: Generations of customers have trusted Burpee to deliver the highest quality products and service. Gardeners rely on Burpee for accurate plant information and how-to tips that make gardening easier and more successful. Let’s grow together!
Bestseller No. 3
Down To Earth All Natural Fertilizers Organic Feather Meal - Slow Release Nitrogen Plant Food for Green Growth 12-0-0, 4 lb
- High Nitrogen Content (12-0-0): Provides a steady, slow-release nitrogen source for vibrant, healthy green growth.
- Organic & OMRI Listed: Safe for organic gardens and free from synthetic additives or chemicals.
- Promotes Soil Microbial Health: Enhances beneficial microbial activity to improve nutrient availability and soil quality.
- Ideal for Vegetables, Lawns & Flowers: Supports leafy growth and overall plant vigor in a wide variety of plants.
- Slow-Release Formula: Minimizes nutrient loss and reduces the risk of fertilizer burn.
Bestseller No. 4
Milorganite All-Purpose Eco-Friendly Slow-Release Nitrogen 6-4-0 Fertilizer, 32 lb Bag - for Lawns, Flowers, and Gardens - Includes Bonus Feeding & Spreader Tips Brochure
- Bonus brochure includes seasonal application timing, spreader settings, and tips for lawns, gardens, and trees.
- You don’t have to worry about streaks, stripes, or accidentally burning your lawn when you use Milorganite fertilizer!
- Milorganite contains virtually no salts, so it won’t burn your lawn, trees, shrubs, or plants, even in the hottest temperatures or driest conditions.
- Milorganite's iron greens without staining. Grass needs iron for the long-lasting, deep, vibrant green lawn you want. Milorganite delivers organically complex iron throughout the feeding period and won’t stain concrete, unlike iron salts in some synthetic fertilizers.
- Milorganite’s slow-release plant food formula provides nitrogen and other nutrients for up to 8-10 weeks after application and does not need to be watered in. Covers 2,500 Sq. Ft.
Bestseller No. 5
Down To Earth All Natural Fertilizers Organic Bat Guano - High Nitrogen Plant Food for Vegetative Growth 7-3-1, 2 lb
- Down To Earth Bat Guano Mix is an all natural fertilizer with 7-3-1 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
- Rich in readily available nitrogen, phosphorus and micronutrients and nearly the third of the nitrogen is water soluble, making it readily available to plants
- Provides essential plant nutrition for vigorous vegetative growth and early fruit and flower development
- Fast acting and highly effective when mixed into potting mediums, applied as a side dress or steeped to make a potent guano tea or foliar spray
- A good fertilizer for both early and mid-season booster applications and is the undisputed champion of all-natural fertilizers
Newest Organic Nitrogen Fertilizer
New
FiveStar 4-0-0 Micro Liquid Nitrogen Fertilizer - Fast Absorption for Ag/T&O Use - Urea-Based Plant Fertilizer with 7 Chelated Micronutrients (Magnesium, Iron & More) + Yucca, Kelp, Humic Acid-2.5 Gal
- FAST-ACTING NUTRIENT BOOST: Experience rapid nutrient uptake with 4% Urea, ensuring fast absorption into plants for immediate growth. Ideal for quick fixes, this nitrogen fertilizer for plants delivers results in less time compared to slow-release alternatives
- COMPLETE NUTRIENT SUPPORT: Packed with seven essential chelated micronutrients (Magnesium, Iron, Boron, Sulfur, Manganese, Zinc, Molybdenum), this micronutrient fertilizer promotes strong, healthy plants by addressing common nutrient deficiencies
- SOIL AND ROOT REVITALIZATION: Enriched with Yucca, Kelp, and Humic Acid, this fertilizer for plants maximizes nutrient absorption and improves soil structure. These natural extracts stimulate root growth, enhance stress resistance, and increase nutrient uptake
- PERFECT FOR AG AND T&O: A perfect solution for both Agriculture (Ag) and Turf & Ornamental (T&O) applications, this liquid lawn fertilizer offers a balanced mix of nutrients at an affordable price, making it the go-to choice for professional applicators
- PROFESSIONAL RESULTS AT HOME: Whether you’re managing large agricultural fields or beautifying your lawn, Our urea fertilizer is designed for versatility. Trusted by professionals for its effectiveness, it’s also easy to apply at home
New
Xtreme Gardening MYKOS 100g + AZOS 2 oz – Mycorrhizae Root Inoculant & Nitrogen Fixing Beneficial Bacteria for Plant Growth, Root Development & Nutrient Uptake
- PLANT GROWTH & ROOT BIOLOGY SUPPORT BUNDLE: This Xtreme Gardening bundle combines MYKOS mycorrhizae with AZOS nitrogen-fixing bacteria to support strong root development, improved nutrient availability, and healthy soil biology.
- MYKOS MYCORRHIZAE FOR ROOT EXPANSION: MYKOS delivers beneficial mycorrhizal fungi (Rhizophagus intraradices) that colonize plant roots and expand the effective root zone for improved water and nutrient uptake.
- AZOS NITROGEN-FIXING BENEFICIAL BACTERIA: AZOS contains naturally occurring bacteria that convert atmospheric nitrogen into a plant-available form, supporting vegetative growth and rapid root establishment.
- SUPPORTS EFFICIENT NUTRIENT UPTAKE: Together, mycorrhizae and nitrogen-fixing bacteria help improve nutrient accessibility in soil and growing media, supporting healthier plants and more efficient nutrient use.
- WORKS WITH ANY FERTILIZER PROGRAM: Compatible with organic or synthetic fertilizers and ideal for vegetables, fruits, herbs, and flowers grown in containers, raised beds, or in-ground gardens.
New
Xtreme Gardening AZOS 6 oz + Xtreme Tea Brews 2-Pack – Nitrogen Fixing Bacteria & Compost Tea Kit for Root Development, Soil Biology & Plant Growth
- PLANT GROWTH & SOIL BIOLOGY SUPPORT BUNDLE: This Xtreme Gardening bundle pairs AZOS nitrogen-fixing bacteria with Xtreme Tea Brews compost tea to support strong root development, improved nutrient availability, and healthy soil biology.
- NITROGEN-FIXING BACTERIA FOR VIGOROUS GROWTH: AZOS contains beneficial bacteria that convert atmospheric nitrogen into a plant-available form, supporting faster vegetative growth and stronger plant development.
- COMPOST TEA KIT FOR MICROBIAL ACTIVITY: Xtreme Tea Brews is an easy-to-use compost tea system that includes compost material and a microbe food pack designed to multiply beneficial microbes during the brewing process.
- IMPROVES NUTRIENT CYCLING & ROOT ZONE PERFORMANCE: Together, AZOS and compost tea help increase nutrient accessibility in soil and growing media, supporting healthier plants and more efficient nutrient uptake.
- COMPATIBLE WITH ANY FERTILIZER PROGRAM: Works alongside organic or synthetic fertilizers and is ideal for vegetables, fruits, herbs, and flowers in containers, raised beds, and in-ground gardens.
New
Down to Earth All Natural Fertilizers Organic Blood Meal - High Nitrogen Plant Food for Green Growth 12-0-0, 40 lb
- High-Nitrogen Formula: With a 12-0-0 ratio, this blood meal fertilizer delivers a potent dose of nitrogen, essential for robust foliage, leafy greens, and strong plant growth.
- Quick-Acting Fertilizer: Provides an immediate nitrogen boost, helping plants green up quickly and promote healthy, vigorous growth.
- OMRI-Certified Organic: Certified by the Organic Materials Review Institute (OMRI), ensuring it meets strict organic standards for use in organic gardening and farming.
- Ideal for Vegetables and Lawns: Perfect for use on nitrogen-loving plants, including vegetables, herbs, flowers, and lawns, supporting healthy, green foliage and strong plant development.
New
Farmer’s Secret Greenup Fertilizer - Super Concentrated and Fast Acting - High Nitrogen Fertilizer Plus Sugar for Fast Shot of Green for All Types of Lawns and Turfs (32oz)
- Fast GreenUp for your lawn - Great to use at the beginning of the season or anytime your lawn is looking dull or pale
- Use on all types of lawns and turfs - Our balanced combination of fast-acting nitrogen and sugar (which helps with nutrient uptake) is beneficial for all types of grass
- Use as standalone product or with an all-purpose lawn feeder - Complements the effectiveness of all-purpose fertilizers and can be mixed and applied together with them
- Super, super concentrated - A little goes a long way, for normal feedings we recommend 4ozs per 1,000 square feet of lawn applied monthly or as needed
- Easy to use - Compatible with any application method: hose end connector, backpack sprayer, irrigation system, etc.