Best Tomato Fertilizer Organic – Top Picks & Guide

Imagine biting into a perfectly ripe, juicy tomato, bursting with flavor. It’s the taste of summer sunshine and a gardener’s dream! But sometimes, those dream tomatoes can be hard to grow. You might be wondering, “Why aren’t my tomato plants as healthy and productive as I want them to be?” Choosing the right fertilizer is a big part of the answer.

When it comes to feeding your tomato plants, especially if you prefer organic methods, the choices can feel overwhelming. You want to give your plants the best, but sifting through all the different organic options can be confusing. You might worry about using the wrong thing and hurting your plants, or maybe you’re just not sure what ingredients are truly beneficial. It’s a common problem for many gardeners!

But don’t worry, this post is here to help! We’ll break down the world of organic tomato fertilizers so you can confidently pick the perfect food for your plants. By the end, you’ll understand what makes a good organic fertilizer and how to use it to grow bigger, tastier tomatoes. Get ready to say goodbye to sad tomato plants and hello to a bountiful harvest!

Top Tomato Fertilizer Organic Recommendations

No. 1
Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb
  • Burpee Organic All Purpose Granular Plant Food is formulated for long-lasting results
  • The easy-to-apply granules release essential nutrients immediately and continue to provide a continuous stream of plant food for up to 3 months
  • Contains nutrients, plants will produce superior results throughout the season
  • Omri listed for organic use
  • 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!
No. 2
Jobe’s Organics Granular Garden Fertilizer, Easy Plant Care Fertilizer for Vegetable Gardens and Tomato Plants, 4 lbs Bag
  • Package contains 4 pounds organic vegetable and tomato fertilizer grains and is produced to avoid wasteful runoff, mess, hazards and smells
  • Plant fertilizer is formulated with a 2-5-3 NPK to provide vegetables and tomatoes the nutrients they need to create high yield and vibrant foliage
  • Jobe's organic fertilizer contains no synthetic chemicals and are OMRI listed for organic gardening by the USDA
  • Application is simple and should be done every 4-6 weeks or as needed during the growing season
  • Jobe's organic fertilizer is easily measured to provide the right amount of nutrients for vegetable and tomato plants without risk of over fertilizing
No. 3
Espoma Organic 8 Ounce Concentrated Tomato! Plant Food - Plant Fertilizer for All Types of Tomatoes and Other Vegetables. for Organic Gardening. Pack of 1.
  • ORGANIC PLANT FOOD: This liquid fertilizer for tomatoes & vegetables provides nutrients to ensure superior results and is safe to use around kids and pets
  • EASY: Simply add ½ cap of Tomato! plant food liquid per quart of water and water your plants. Thoroughly drench the soil of the plant. For best results use every 2-4 weeks
  • CONTAINS: Essential plant nutrients to help all tomatoes and vegetables thrive. See label for all ingredients
  • FAST RESULTS: Espoma Organic Tomato will help you grow vigorous and productive plants in a container or in the garden
  • FOR ORGANIC GARDENING: Tomato! is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production
No. 4
Espoma Organic Tomato-Tone 3-4-6 with 8% Calcium. Organic Fertilizer for All Types of Tomatoes and Vegetables. Promotes Flower and Fruit Production. 4 lb. Bag - Pack of 2
  • FOR USE ON: Use Tomato-tone organic fertilizer for all types of tomatoes; both heirloom and hybrid. It Produces plump, abundant tomatoes, not unwanted foliage. Can also be used on all vegetables.
  • CONTAINS: Tomato-tone is a rich blend of the finest natural & organic ingredients enhanced with our exclusive Bio-tone formula; 3-4-6 Fertilizer analysis with 8% calcium to help prevent blossom end rot. Tomato-tone is environmentally Safe - No sludges or toxic ingredients.
  • WHEN / HOW TO USE: Best to use Tomato-tone fertilizer every two weeks through the growing season. Apply to the soil around the drip line of the plant and then water thoroughly. Tomato-tone is ready to use and requires no mixing.
  • FOR ORGANIC GARDENING: Tomato-tone is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
  • MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929
No. 5
Farmer's Secret Tomato Booster Fertilizer - Super Concentrated - 3:8:7 Ratio Fortified with Humic Acid, Iron and Calcium - Grow More Tomatoes (32oz)
  • Let our professionally formulated plant food help you grow bigger, juicer and plumper tomatoes in your garden
  • Specifically formulated for optimal performance throughout the life cycle on all varieties of tomatoes
  • Super, super concentrated - A little goes a LONG way
  • Dilute two teaspoons of product into one gallon of water and apply weekly during the whole life cycle
  • Farmer's Secret brings the same scientifically backed formula development process farmers get to YOUR garden… get in on the secret!
No. 6
Down To Earth All Natural Fertilizers Organic All Purpose Tomato & Vegetable Mix - Plant Food for Tomatoes, Peppers, Herbs and Flowers 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
No. 7
Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag
  • 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
No. 8
Neptune’s Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2) - Liquid Plant Food w/Fresh Fish, Seaweed, Molasses, Yucca Extract, & Humic Acids - for Vegetable Garden (Quart (Single))
  • Derived for Maximum Growth: Neptune’s Harvest Natural Tomato & Vegetable Organic Fertilizer is a liquid plant food formulated for the critical "vegging" stage of tomatoes, vegetables, and houseplants; this liquid fertilizer enhances plant health, promotes vigorous foliage, and develops strong stems and roots; this fertilizer increases yield, supports healthy deep roots, and helps with big vegetation, healthier crops, especially for tomatoes and vegetables and is safe for kids and pets
  • Power of Natural Ingredients: This organic plant fertilizer combines fish, seaweed, molasses, humate, yucca extract, biological microbes, and liquid calcium to deliver essential nutrients like nitrogen, phosphorus, and potassium; it boosts root health, increases yield, enhances soil quality, and strengthens plants against disease, drought, and temperature stress; ideal for both indoor and outdoor plants, it promotes healthy growth in vegetable gardens, potted plants, and hemp crops
  • How to Use: This liquid fertilizer is easy to apply by mixing 1 oz. per gallon of water for outdoor plants and 1 tablespoon per gallon for houseplants; feed every 1-2 weeks for outdoor plants and weekly for houseplants; It can be used as both a foliar and root feed, making it versatile for vegetable gardens and potted plants; this organic fertilizer helps boost plant health and enhances the flavor of fruits, veggies, and herbs
  • Supports Soil Performance: Rich in essential minerals, this fertilizer strengthens root zones and improves nutrient uptake; it boosts soil biology, sequesters carbon, builds organic matter, and helps soil drain yet retain moisture; regular use in vegetable gardens and potted plants helps develop healthy roots and improve soil structure; this organic fertilizer is perfect for tomatoes and vegetables, promoting better growth and higher yields
  • Package Contents: Neptune’s Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2)

The Smart Shopper’s Guide to Organic Tomato Fertilizer

Growing juicy, delicious tomatoes is a rewarding experience. To get the best harvest, your plants need the right food. Organic tomato fertilizer is a fantastic way to feed your plants naturally. This guide will help you choose the best one for your garden.

Why Choose Organic Fertilizer for Your Tomatoes?

Organic fertilizers come from natural sources like plants, animal manure, and minerals. They feed your soil, not just your plants. Healthy soil means healthier, stronger tomato plants that produce more fruit. Organic options are better for the environment too. They don’t contain harmful chemicals that can hurt beneficial insects or run off into waterways.

1. Key Features to Look For

When picking an organic tomato fertilizer, keep these things in mind:

  • Nutrient Balance (NPK): Tomatoes need a good mix of Nitrogen (N), Phosphorus (P), and Potassium (K). Look for a fertilizer with a balanced NPK ratio. A common good ratio for tomatoes is around 3-4-5 or 4-5-6. Nitrogen helps with leafy growth, Phosphorus helps with roots and flowers, and Potassium boosts fruit production and plant health.
  • Slow Release: Organic fertilizers often release nutrients slowly. This means your plants get food over time, preventing over-fertilization and root burn.
  • Soil Health Boosters: Many organic fertilizers include ingredients that improve your soil structure. These can include things like compost, worm castings, or beneficial microbes. Good soil helps plants absorb nutrients better.
  • Ease of Use: Fertilizers come in different forms: granular, liquid, or spikes. Granular is easy to mix into the soil. Liquid is quick to absorb. Spikes offer a slow, steady release. Choose what works best for your gardening style.
2. Important Materials

What’s inside your organic fertilizer matters. Here are some common and beneficial ingredients:

  • Composted Manure: This provides a range of nutrients and improves soil.
  • Worm Castings: These are packed with nutrients and beneficial microbes that boost plant growth.
  • Alfalfa Meal: A good source of nitrogen and other trace minerals.
  • Bone Meal: Rich in phosphorus, which is crucial for flowering and fruiting.
  • Kelp Meal: Provides potassium and many trace elements that help plants resist stress.
  • Bat Guano: A potent source of nutrients, especially phosphorus.
3. Factors That Improve or Reduce Quality

The quality of your organic tomato fertilizer can vary. Consider these points:

  • Ingredient Sourcing: High-quality fertilizers use well-composted or processed ingredients. Poorly composted manure can burn plants or contain weed seeds.
  • Nutrient Density: Some organic fertilizers are more concentrated than others. This means you might need less product for the same effect.
  • Absence of Synthetics: A truly organic fertilizer will not contain synthetic chemicals, pesticides, or herbicides. Always check the label.
  • Freshness: Like any food product, fertilizer can lose its potency over time. Look for products with a reasonable shelf life and store them properly in a cool, dry place.
4. User Experience and Use Cases

How people use and feel about a fertilizer is important.

  • Beginner Friendly: Many gardeners find granular fertilizers easy to apply. They simply scratch them into the soil around the plant.
  • Experienced Gardeners: Those who want precise control might prefer liquid fertilizers that can be mixed with water and applied directly to the soil or as a foliar spray.
  • Container Gardening: Liquid or slow-release spike fertilizers work well for tomatoes grown in pots. They provide consistent feeding without washing away too quickly.
  • Soil Improvement: If your soil is poor, look for fertilizers that heavily emphasize soil-building ingredients like compost and worm castings.

Using organic fertilizer is a natural way to help your tomato plants thrive. By understanding these key features and ingredients, you can make an informed choice for a bountiful and delicious harvest.


Frequently Asked Questions About Organic Tomato Fertilizer

Q: How often should I fertilize my organic tomato plants?

A: You usually fertilize when you plant your tomatoes. Then, you might fertilize again when the first fruits appear. Some gardeners fertilize every 3-4 weeks. Always follow the instructions on your fertilizer package.

Q: Can I use regular fertilizer on my organic tomatoes?

A: You can, but organic fertilizer is best for truly organic gardening. Organic fertilizers feed the soil, making plants stronger over time. Regular fertilizers provide quick fixes but don’t build soil health.

Q: What if my tomato leaves are yellow?

A: Yellow leaves can mean your plant needs more nitrogen. Organic fertilizers with higher nitrogen content can help. Sometimes, it could also mean too much or too little water.

Q: Will organic fertilizer attract pests?

A: Generally, no. Organic fertilizers feed your plants and soil. Some natural ingredients might attract beneficial insects, which is a good thing!

Q: How much fertilizer should I use?

A: This depends on the fertilizer. Always read and follow the directions on the fertilizer’s packaging. Using too much can harm your plants.

Q: Can I mix different organic fertilizers?

A: It’s usually best to stick to one good organic fertilizer. Mixing too many can lead to an unbalanced nutrient mix for your plants.

Q: When is the best time to fertilize tomatoes?

A: Fertilize when you plant them. Then, fertilize again when you see the first tiny tomatoes forming. This helps the plant support the fruit.

Q: Is organic fertilizer more expensive?

A: Sometimes, organic fertilizers can cost a bit more upfront. But they often last longer and improve your soil for future seasons, making them a good value.

Q: What is the difference between organic and natural fertilizer?

A: “Organic” means it meets certain standards and comes from living things. “Natural” is a broader term and can include things that aren’t strictly organic but are still derived from nature.

Q: Can I use organic fertilizer on seedlings?

A: Yes, but use a weaker solution. Seedlings are delicate. A gentle, diluted organic fertilizer can give them a good start.