Top 10 Best Organic Fertilizer For Onions of 2022: Expert Comparisons and Reviews

To help you make an informed decision, let’s take a look at some of the most popular organic fertilizer for onions on the market today.

Disclaimer: Our editing teams independently research, review, and recommend the best products based on extensive data analysis; if you click on the product links, we may earn a commission from qualifying purchases. But it never influences our product selection process., read more.

IN A HURRY? HERE’S OUR TOP PICKS…

Rank Image NameScoreMore Info
1 Burpee Bone Meal Fertilizer | Add to Potting Soil | Strong Root Development | OMRI Listed for Organic Gardening | for Tomatoes, Peppers, and Bulbs, 1-Pack, 3 lb (1 Pack)9.7 Check Price On Amazon
2 Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag9.5 Check Price On Amazon
3 The Old Farmer’s Almanac 2.25 lb. Organic Tomato & Vegetable Plant Food Fertilizer, Covers 250 sq. ft. (1 Bag)9.4 Check Price On Amazon
4 Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food9.2 Check Price On Amazon
5 Down to Earth Organic Bone Meal Fertilizer 3-15-0, 5 lb9.1 Check Price On Amazon
6 Jobe’s 09026NA Plant Food Vegetables & Tomato, 4lbs9.0 Check Price On Amazon
7 Miracle-Gro Performance Organics All Purpose Plant Nutrition, 1 lb. – All Natural Plant Food For Vegetables, Flowers and Herbs – Apply Every 7 Days For Best Results – Feeds up to 200 sq. ft.8.8 Check Price On Amazon
8 Schultz Azalea, Cameillia, Rhododendron, ACR 14-7-7 Slow Release Plant Food8.4 Check Price On Amazon
9 Organic Plant Magic – Super Premium Plant Food: 100% Organic, All-Purpose Soluble Powder, Plant-Boosting Microorganisms and Minerals, Perfect for All Plants, Nontoxic, Kid & Pet Safe [One 1/2 lb Bag]8.3 Check Price On Amazon
10 Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 4.5-Pounds7.8 Check Price On Amazon
Top organic fertilizer for onions in 2022

What is the best Best Organic Fertilizer For Onions for you?

Although it is hard to recommend the Best Organic Fertilizer For Onions for individual needs, however, we have picked the winners depending on review, price, features, etc.

Our experts found that the Burpee Bone Meal Fertilizer | Add to Potting Soil | Strong Root Development | OMRI Listed for Organic Gardening | for Tomatoes, Peppers, and Bulbs, 1-Pack, 3 lb (1 Pack) is the best for its value for the money and the Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag as the second winner.

However, we include a buying guide so that you can choose a organic fertilizer for onions for you.

Best Organic Fertilizer For Onions Features

1. Burpee Bone Meal Fertilizer | Add to Potting Soil | Strong Root Development | OMRI Listed for Organic Gardening | for Tomatoes, Peppers, and Bulbs, 1-Pack, 3 lb (1 Pack)

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Product Features:

  • STRONGER ROOT DEVELOPMENT: Bone Meal is a natural source of vital, readily available organic nitrogen, phosphorus and calcium that promotes strong plant roots, vibrant blooms and more delicious vegetables. Helps to enhance your plants throughout the growing season!
  • ADD TO SOIL: Add to soil or potting mix during seed starting or at any time prior to harvest to fuel strong roots and early, healthy plant growth. Bone meal fertilizer breaks down slowly, releasing nitrogen for robust growth throughout the season. Follow packaging instructions for the amount to use.
  • ORGANIC CERTIFIED: OMRI listed for organic gardening, Bone Meal is ideal for new bedding plants, giving established home flower gardens a boost, and keeping patio containers looking their best and brightest. Helps naturally deter rabbits from your garden.
  • IDEAL FOR FALL BULB PLANTING: Bone meal naturally promotes healthy growth of root and bulb crops and has a fine granular consistency for easy spreading. You can also use when planting flowering bulbs in the fall, such as tulips. Plus, it’s Made in the USA!
  • 100% GUARANTEED: Burpee is committed to the success of all gardeners. We treat each order with care to ensure healthy seeds, plants, soil mixes and gardening supplies are sent in excellent condition. Loved by gardens and trusted by gardeners, Burpee has been introducing fresh garden breakthroughs since 1876. Burpee offers only the highest quality, non-GMO seeds, hand-picked by expert horticulturalists.

2. Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag

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Product Features:

  • For more nutritious and tasty vegetables
  • Optimum levels of primary plant nutrients
  • Contains no GMOs, chicken manure or sewage sludge
  • Feeds for several months
  • Made with 100% organic and natural ingredients
  • Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae
  • More abundant crops; More nutritious and tasty vegetables
  • 100 percent natural and organic; Exceptional results because nutrients are released quickly; Feeds for several months; Consistent premium quality
  • Eight select strains of ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance
  • 100-Percent organic formula provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed

3. The Old Farmer’s Almanac 2.25 lb. Organic Tomato & Vegetable Plant Food Fertilizer, Covers 250 sq. ft. (1 Bag)

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Product Features:

  • OMRI Listed granular fertilizer specially formulated for organic tomatoes, vegetables, fruits, herbs, trees and shrubs
  • Features both quick and slow release nutrients to promote healthy plant growth over time
  • High quality protein based nutrition suitable for indoor and outdoor gardens without manure, harsh chemicals or offensive smells
  • Easy pour resealable bag fertilizes up to 250 square feet of new or existing crops for 6-8 weeks
  • Nutrient rich 8-4-8 formula with 8% Nitrogen for plant growth and color; 4% Phosphorus for healthy fruits and blooms; and 8% Potassium for strong roots

4. Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food

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Product Features:

  • An all natural and organic plant food enhanced with thousands of living microbes and is approved for organic gardening
  • It is perfect for all vegetables and provides a safe, continuous, and complete balanced feeding
  • Made in United States
  • A complete plant food with all 15 essential nutrients
  • Originally developed for professional gardeners
  • Complex blend of natural organics provide complete and balanced feeding of all 15 nutrients
  • Environmentally safe
  • No sludges, hazardous or toxic ingredients

5. Down to Earth Organic Bone Meal Fertilizer 3-15-0, 5 lb

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Product Features:

  • Down to Earth Bone Meal is a five pound box of all natural fertilizer with 3-15-0 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
  • A wonderful source of readily available phosphorous and calcium for flowering plants, trees and ornamentals and is also recognized as the ideal organic fertilizer when planting bulbs
  • A quintessential, traditional organic fertilizer that promotes strong root development and enhances early season growth and helps plants take to new soil by boosting root development
  • Strong root development means plants will grow faster and be healthier because they can absorb more water and nutrients from the soil
  • As one of the three big nutrients for plants, phosphorous plays a role in both root and bloom development, which helps produce high-quality fruit and flowers

6. Jobe’s 09026NA Plant Food Vegetables & Tomato, 4lbs

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Product Features:

  • Organic granular fertilizer; Fast acting fertilizer for vegetables and tomatoes for a more abundant harvest
  • OMRI listed for organic gardening by USDA; Certified organic means no synthetic chemicals
  • Contains Jobe Biozome; Extremely aggressive proprietary microorganism archaea that aggressively breaks down material for faster results
  • Jobe’s Biozome improves soil conditions; Helps your garden resist disease, insects, drought and other unfavorable conditions within a growing season
  • Easy pour bag; Fertilizer analysis: (2-5-3) 1.5 pound resealable bag, (2-5-3) 4 pound bag, (2-5-3) 16 pound bag

7. Miracle-Gro Performance Organics All Purpose Plant Nutrition, 1 lb. – All Natural Plant Food For Vegetables, Flowers and Herbs – Apply Every 7 Days For Best Results – Feeds up to 200 sq. ft.

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Product Features:

  • Miracle-Gro Performance Organics All Purpose Plant Nutrition feeds plants instantly
  • Apply easily with the Miracle-Gro Performance Organics Garden Feeder or your watering can
  • Enhanced with micronutrients to deliver high performance results
  • Enjoy Miracle-Gro results, organically with all natural ingredients
  • Feed every 7 days for best results

8. Schultz Azalea, Cameillia, Rhododendron, ACR 14-7-7 Slow Release Plant Food

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Product Features:

9. Organic Plant Magic – Super Premium Plant Food: 100% Organic, All-Purpose Soluble Powder, Plant-Boosting Microorganisms and Minerals, Perfect for All Plants, Nontoxic, Kid & Pet Safe [One 1/2 lb Bag]

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Product Features:

  • EASY & ALL PURPOSE – It’s simple to grow healthy plants and beautiful gardens. Just add directly to soil and plant roots, or mix with normal watering. Works for everyone, everywhere with every plant!

10. Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 4.5-Pounds

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Product Features:

  • Beautiful growth and yields of your plants
  • Nutrients in earthworm castings are plentiful
  • Slowly feeds the plant for long periods of time
  • Just a handful will make your plants happy
  • Excellent for indoor or outdoor plants; houseplants, vegetables, flowers, and more

How to Choose the Best Organic Fertilizer For Onions

Choosing the best organic fertilizer for onions to buy can be difficult, especially when so many are available to choose from. If you’re going to spend your hard-earned money on something, you must do it right. Besides, ensure that your purchase is, in fact, the best available on the market.

Consider these tips when choosing the best that money can buy.

Define your Goals

Before you go shopping for a organic fertilizer for onions, be sure you know exactly what you’re looking for. Knowing your budget and being realistic about what you want will help narrow down your options. There are plenty of products out there that claim to do a lot, but if they’re not meeting all of your needs, they might not be worth it in the end.

Do your Research

The second step in choosing a organic fertilizer for onions to purchase is doing your research. This is because there are so many different options that it would be very easy for you to go with whatever catches your eye first. However, if you take a little bit of time and look at all of your available options, you’ll have an easier time deciding which one would be best for you.

Get Advice from a Professional

When you’re buying, don’t trust that you’ll make a good choice. Instead, ask someone who has experience with using organic fertilizer for onions. For example, go into your local hardware store and ask for recommendations from someone who works there, or go on Amazon and search for reviews from other users. You should consult with an expert no matter what you buy—from running shoes to cell phones.

Consider the Price

A cheap product might seem like a good deal, but it’s important to consider why something is less expensive. For example, some manufacturers use lower-quality ingredients to keep prices low. So if you pay less for a cheaper organic fertilizer for onions, you could end up with fewer benefits or experience more issues—and still, need to buy replacements quickly.

Consider Quality and Durability

When you’re comparing organic fertilizer for onions, consider its quality. If it’s something you expect to have for a long time, look for something that will last. You should also look at its durability—if it isn’t made of good materials, it won’t hold up well over time. Most importantly, when making your purchase, check out reviews and feedback from other users so you can learn about the product’s performance.

Make sure it fits your Needs

This sounds like a no-brainer, but it’s critical. Before buying organic fertilizer for onions, read the product descriptions and make sure that it fits. Some items can be returned or exchanged while others can’t. If possible, go in the store or try something on before purchasing.

Once an item is purchased online, even if it’s from Amazon with free returns and shipping, there is typically only one chance to exchange for another size. Ensure it has all the features that you looking for before making a purchase.

Final Words

All these factors will contribute to choosing the best organic fertilizer for onions that meets your expectations. So, use your time efficiently. But make sure to choose products with positive reviews.

Also, try to find any discount/sale offers on similar products in a nearby store or online shop. This could save you more money while buying the organic fertilizer for onions. We hope you have enjoyed reading our guide!

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