The Best 4 6 4 Fertilizer Reviews & Comparison

Have you ever had difficulty locating what you were looking for? You could have spent hours just reading page after page on the same website, double and triple confirming that they had everything you needed. No, they did not. Then you read that product's negative reviews and could see for yourself how horrible it is. That's why we compiled this list, which we hope will make your purchasing experience much smoother.

There are numerous 4 6 4 fertilizer options available on the market. We've looked everywhere to bring you our choices for the greatest product, so you can pick one that respects your time while still getting the job done. You might think that this complicates the decision-making process. I can assure you that it does not. You can take the easy route or read on for my top 4 6 4 fertilizer suggestions!

10 Best 4 6 4 fertilizer: Editor's Picks
#PreviewProductScore
1 Sustane 46420lb Fertilizer, 20 lb, Brown

Sustane 46420lb Fertilizer, 20 lb, Brown

9.7
2 MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants All the Time, 40 LBS

MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants All...

9.3
3 MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables, Flowers Trees and Bushes, 7 LBS

MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables,...

9.7
4 MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants, 7 LBS

MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants, 7 LBS

9.6
5 Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6-4, White

Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6-4, White

9.5
6 Down to Earth All Natural Acid Mix Fertilizer 4-3-6, 5 lb

Down to Earth All Natural Acid Mix Fertilizer 4-3-6, 5 lb

9.2
7 MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables, Flowers Trees and Bushes, 40 LBS

MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables,...

9.7
8 Down to Earth Organic Fruit Tree Fertilizer Mix 6-2-4, 5lb

Down to Earth Organic Fruit Tree Fertilizer Mix 6-2-4, 5lb

9.4
9 Down to Earth Organic All Purpose Fertilizer Mix 4-6-2, 5 lb

Down to Earth Organic All Purpose Fertilizer Mix 4-6-2, 5 lb

9.4
10 Gardening with Leon Organic Fertilizer Kit - Sustane 4-6-4 Organic Slow-Release Fertilizer, Sea Mineral Fertilizer, Epsom Salt & Gardening Lime - 1.8 lb (4 Cups) kit

Gardening with Leon Organic Fertilizer Kit - Sustane 4-6-4 Organic Slow-Release Fertilizer, Sea...

9.5

Top 10 Best 4 6 4 fertilizer Reviews: According to Testing

We divide our analytical approach into three categories to decide our review and overall rating: ease of use, quality, and durability. Each of these factors is weighted according to its importance to these products. If that sounds unduly simplistic, trust us when we say it isn't. Before calculating an overall score, our products were separated into dozens of different analyses. Based on professional advice, we have chosen our top picks:

  • Size
  • Brand value
  • Features
  • Style
  • Design
  • Longevity
  • Price
  • Warranties
  • Types
  • Specifications
  • Durability
  • Quality
  • Materials
  • Consumer ratings, reviews & many more
SaleBestseller No. 1

Sustane 46420lb Fertilizer, 20 lb, Brown

  • Provides all essential plant nutrients
  • Improves soil structure & promotes microbial biodiversity
  • Produces more fruits and blooms than other organic and synthetic fertilizers as demonstrated by Independent research
  • Ideal for general soil preparation of organic vegetable and flower beds
  • Ideal for overall organic soil building for healthy and abundant plants
SaleBestseller No. 2

MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants All the Time, 40 LBS

  • EXTREMELY POWERFUL BIOLOGICAL AND NUTRITIONAL MULTI-PURPOSE FERTILIZER: contains over 100 + minerals, vitamins, natural plant hormones and stimulators, essential sugars/amino acids/carbon and protein plus beneficials.
Bestseller No. 3

MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables, Flowers Trees and Bushes, 7 LBS

  • ULTIMATE AND MOST POWERFUL NUTRITIONAL MULTI-PURPOSE 100 % ORGANIC FERTILIZER: contains over 100 + minerals, vitamins, natural plant hormones and stimulators, essential sugars/amino acids/carbon and protein plus billions of beneficials..
  • COMPLETELY NATURAL: 100% slow releases, 2% iron, will not burn and easy to use, does not contain poultry manure, repeat every 3-4 months.
  • GROWS MOST BEAUTIFUL PLANTS AND IMPROVES SOIL: increases yields, more buds, fruits and better flavors; for all new and established vegetables, flowers, ornamentals, perennials, annuals, trees, bushes, lawns and gardens.
  • BUILDS LARGER ROOT SYSTEMS AND ENHANCES PLANTS’ HEALTH: designed for all growers’ professional and beginners in mind who want dynamic plant growth; provides essential elements for water conservation and help to better withstand environmental stresses.
  • MANUFACTURED FOR OVER 30 YEARS: MicroLife is one of the oldest and most accomplished manufacturer of all organic biological fertilizers in the U.S. All products are made in small batches from top quality ingredients. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.
Bestseller No. 4

MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants, 7 LBS

  • EXTREMELY POWERFUL BIOLOGICAL AND NUTRITIONAL MULTI-PURPOSE FERTILIZER: contains over 100 + minerals, vitamins, natural plant hormones and stimulators, essential sugars/amino acids/carbon and protein plus more natural nutrients.
  • COMPLETELY ORGANIC: 100% slow releases, 2% iron, will not burn and easy to use; repeat every 3-4 months
  • IMPROVES ALL PLANTS AND SOILS: for all new and established vegetables, flowers, ornamentals, perennials, trees and bushes
  • BUILDS LARGER ROOT SYSTEMS AND ENHANCES PLANTS’ HEALTH: designed for all growers’ professional and beginners in mind who want dynamic plant growth; provides essential elements for water conservation and help to better withstand environmental stresses
  • MANUFACTURED FOR OVER 30 YEARS: One of the oldest and most accomplished manufacturer of all organic biological fertilizers in the U.S. All products are made in small batches from top quality ingredients. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.
SaleBestseller No. 5

Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6-4, White

  • Get your garden going with grow big, Foxfarm's liquid concentrate fertilizer for lush vegetative growth.
  • Grow big contains earthworm castings, Norwegian kelp and essential micronutrients. Foxfarm's special brew is designed to enhance plant Size and structure, allowing for more abundant fruit, flower and bud development.
  • Garden tip: allow new plantings a few days to settle in, then begin using at the rate of two teaspoons per gallon of water every other time you water. You can also use grow big for foliar feeding, applying to both sides of leaves, preferably early in the morning. At the first sign of flowering, switch to one of foxfarm’s blooming fertilizers. For best results, refer to the FoxFarm feeding schedule.
  • Country Of Origin: United States
SaleBestseller No. 6

Down to Earth All Natural Acid Mix Fertilizer 4-3-6, 5 lb

  • A Natural fertilizer blended especially for acid lovers such as rhododendrons, azaleas, camellias, hydrangeas, evergreens, blueberries, raspberries, strawberries, potatoes and other plants that need a low pH
  • To encourage lush flowers and fruit, apply Acid Mix in early spring for vegetative growth and again when blooms appear.
  • Fall Applications can help promote root growth and boost resistance to extreme winter temperatures
  • 5 pound box
  • 4-3-6 formula
Bestseller No. 7

MicroLife Ultimate (8-4-6) Professional Grade Granular Organic Fertilizer for All Vegetables, Flowers Trees and Bushes, 40 LBS

  • ULTIMATE AND MOST POWERFUL NUTRITIONAL MULTI-PURPOSE 100 % ORGANIC FERTILIZER: contains over 100 + minerals, vitamins, natural plant hormones and stimulators, essential sugars/amino acids/carbon and protein plus billions of beneficials.
  • COMPLETELY NATURAL: 100% slow releases, 2% iron, will not burn and easy to use, does not contain poultry manure, repeat every 3-4 months.
  • GROWS MOST BEAUTIFUL PLANTS AND IMPROVES SOIL: increases yields, more buds, fruits and better flavors; for all new and established vegetables, flowers, ornamentals, perennials, annuals, trees, bushes, lawns and gardens.
  • BUILDS LARGER ROOT SYSTEMS AND ENHANCES PLANTS’ HEALTH: designed for all growers’ professional and beginners in mind who want dynamic plant growth; provides essential elements for water conservation and help to better withstand environmental stresses.
  • MANUFACTURED FOR OVER 30 YEARS: MicroLife is one of the oldest and most accomplished manufacturer of all organic biological fertilizers in the U.S. All products are made in small batches from top quality ingredients. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.
SaleBestseller No. 8

Down to Earth Organic Fruit Tree Fertilizer Mix 6-2-4, 5lb

  • Down to Earth Fruit Tree is a five pound box of all natural fertilizer with 6-2-4 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
  • Specially formulated to encourage productive home orchards full of the delicious and nutritious tree fruits now popular in many backyard gardens
  • Fruit Tree fertilizer provides primary nutrients for plant growth plus added calcium for proper fruit development, so you can enjoy bountiful crops of home grown fruit
  • From apples, pears and plums to mangos, pomegranates and figs, Fruit Tree can be used on all varieties of fruiting canes, shrubs and trees
  • Ingredients: Feather Meal, Fish Bone Meal, Calcium Carbonate, Langbeinite, Potassium Sulfate, Alfalfa Meal and Kelp Meal
Bestseller No. 9

Down to Earth Organic All Purpose Fertilizer Mix 4-6-2, 5 lb

  • Down To Earth All Purpose Mix is a five pound box of fertilizer with 4-6-2 formula and is ideal for all types of transplants
  • A gentle, non-burning fertilizer made for vegetables, herbs, flowers and container plants, it is formulated with premium organic ingredients
  • Designed to deliver a steady supply of essential nutrients to your plants while enhancing soil fertility and microbial activity naturally
  • Listed by the Organic Materials Review Institute (OMRI) for use in organic production and great to use on vegetable gardens, containers, houseplants, trees, shrubs and row crops/acreage
  • Ingredients: Fish Bone Meal, Blood Meal, Feather Meal, Rock Phosphate, Langbeinite, Greensand, Humates and Kelp Meal
Bestseller No. 10

Gardening with Leon Organic Fertilizer Kit - Sustane 4-6-4 Organic Slow-Release Fertilizer, Sea Mineral Fertilizer, Epsom Salt & Gardening Lime - 1.8 lb (4 Cups) kit

  • Kit contains: 2 cups Sustane 4-6-4 Slow Release Organic Fertilizer, 1 cup Sea Minerals, 1/2 cup Epsom Salt, and 1/2 cup Espoma Organic Gardening Lime

How to Buy the Best 4 6 4 fertilizer

When buying 4 6 4 fertilizer, you might feel like you have no idea where to start. You don't have time to waste on products that don't live up to their promises or are just plain bad. But don't worry! We're here to help you make informed decisions about which product is right for you, and we've put together a list of things to consider when choosing a product:

  • Does it work? The most important thing is that the product delivers on its promise. If it doesn't work, then what's the point? Read reviews and do your research before making a purchase 4 6 4 fertilizer.
  • Is it safe? When buying 4 6 4 fertilizer, it's important to consider safety, especially beauty products! Make sure you look into how safe the ingredients are, how easy they are to use, and whether or not they're compatible with other products in your routine.
  • Is it worth it? Consider how much you want to spend on each item, and ensure that amount fits within your budget. Also, consider whether or not the price is more than what would be considered “reasonable” for its quality level.

Here are some tips to help you find the right product for your needs:

Read reviews

It's important to read reviews before making purchases online because they can help guide you toward products that others have enjoyed using. They also give you an idea of how certain durable products are over time which is important when considering whether or not something will last long enough for its price tag.

Research

The second step is to do your research. Find out what other people have said about 4 6 4 fertilizer and what they like or dislike about it. Pay attention to the reviews, too – if many people say the product breaks easily or doesn't work as expected, that might be a red flag for you! And if everyone loves it, then maybe that's exactly what you need!

Price

Check out multiple options and compare prices before making your final decision on 4 6 4 fertilizer. A higher price tag doesn't necessarily mean better quality. Just because something is more expensive doesn't mean it's worth buying!

Material

Check what materials are used in manufacturing products before purchasing them. The last thing you want is your tools to break after just one use! We recommend going with a company that uses high-quality steel or other durable materials for 4 6 4 fertilizer; you'll be glad you did when your new tool lasts longer than expected!

Warranty

It's always better if there is one! This doesn't just protect your investment; it also gives peace of mind knowing that if something goes wrong with your product after purchase, there's no need to worry about replacing it because of a defective part or other error on the company's end.

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