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Tomato Fertilizers

10 Best Tomato Fertilizers 2025 in the United States

#1

Winner

9.9 score

Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb

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Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb

Burpee

9.9 score

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Burpee Organic Tomato & Vegetable Granular Plant Food is a well-regarded choice for gardeners looking for an organic fertilizer. It comes in a 4-pound package and is easy to apply, providing long-lasting results by releasing nutrients over a period of up to 3 months. This makes it convenient for those who prefer not to fertilize frequently. The product is OMRI listed, ensuring it is suitable for organic gardening practices.

Rating
9.9
Chosen by1,356
Organic vs. Synthetic
Application Frequency

Most important from
18937 reviews

Organic vs. Synthetic
This is my go-to for general fertilizing. It mixes extremely well, is extra gentle on plants and is safe for my backyard wildlife.
Application Frequency
Within days of putting it down, my old plants were already starting to show extra growth and the new seedlings I started were already shooting up with much more oomph.
#2
9.8 score

Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.

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Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.

Miracle-Gro

9.8 score

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The Miracle-Gro Water Soluble All Purpose Plant Food is a versatile fertilizer suitable for a variety of plants including flowers, vegetables, trees, shrubs, and houseplants. It contains essential nutrients that are designed to promote larger and more beautiful plants. The fertilizer can be used every one to two weeks, making it a frequent maintenance choice for gardeners. It's easy to use with either a watering can or the Miracle-Gro Garden Feeder, which makes application straightforward and convenient.

#3
9.5 score

Miracle-Gro Shake 'N Feed Tomato, Fruit and Vegetable Plant Food, For In-Ground and Container Plants, Feeds up to 3 Months, 4.5 lbs.

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Miracle-Gro Shake 'N Feed Tomato, Fruit and Vegetable Plant Food, For In-Ground and Container Plants, Feeds up to 3 Months, 4.5 lbs.

Miracle-Gro

9.5 score

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The Miracle-Gro Shake 'N Feed Tomato, Fruit and Vegetable Plant Food is designed to cater specifically to your tomato, fruit, and vegetable plants. One of its standout features is the convenience of feeding plants for up to 3 months, which means less frequent applications and more time to enjoy your garden. It contains essential nutrients, including calcium, which helps in forming stronger cell walls for better quality and longer-lasting produce.

Rating
9.5
Organic vs. Synthetic
Application Frequency

Most important from
9716 reviews

Organic vs. Synthetic
The added natural ingredients like kelp, earthworm castings, and feather meal are a significant plus for many gardeners.
Application Frequency
With nutrients that are continuously released over three months, it reduces the need for frequent fertilization.

Top 10 Best Tomato Fertilizers 2025 in the United States

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Gardenera

Gardenera All Purpose Garden Fertilizer (6-6-6) - Enhance The Health and Resilience of Your Plants - 4 QUARTS

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#1

Winner

9.9 score

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Burpee

Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb

Type of Fertilizer: Granular
Organic vs. Synthetic: Organic
Application Frequency: up to 3 months

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24% OFF

Chosen by 1356 this week

Sponsored

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Gardenera

Gardenera All Purpose Garden Fertilizer (6-6-6) - Enhance The Health and Resilience of Your Plants - 4 QUARTS

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#2

9.8 score

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Miracle-Gro

Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.

Type of Fertilizer: Water Soluble Plant Food
Organic vs. Synthetic: Synthetic
Application Frequency: Every 1-2 weeks

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28% OFF
#3

9.5 score

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Miracle-Gro

Miracle-Gro Shake 'N Feed Tomato, Fruit and Vegetable Plant Food, For In-Ground and Container Plants, Feeds up to 3 Months, 4.5 lbs.

Type of Fertilizer: Powder
Micronutrients: Calcium
Application Frequency: Up to 3 months

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23% OFF
#4

9.2 score

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FoxFarm

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0.01-0.03-0.7 (Pint)

NPK Ratio: 0.01-0.03-0.7
Type of Fertilizer: Liquid
Organic vs. Synthetic: Organic
Application Frequency: Regular use

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#5

8.9 score

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Miracle-Gro

Miracle-Gro Water Soluble Tomato Plant Food

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17% OFF

Related Products

#6

8.6 score

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Espoma

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

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#7

8.3 score

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Farmer's Secret

Farmer's Secret Tomato Booster Fertilizer (32oz) - Super Concentrated - 3:8:7 Ratio Fortified with Humic Acid, Iron and Calcium - Grow More Tomatoes

NPK Ratio: 3:8:7
Type of Fertilizer: Liquid
Micronutrients: humic acid, iron, calcium
Application Frequency: weekly

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#8

8.0 score

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Espoma

Espoma Organic Garden-Tone 3-4-4 Organic Fertilizer for Cool & Warm Season Vegetables and Herbs. Grow an Abundant Harvest of Nutritious and Flavorful Vegetables – 4 lb. Bag

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#9

7.7 score

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Miracle-Gro

Miracle-Gro Performance Organics Edibles Plant Nutrition - Organic Plant Food Feeds Instantly, for Tomatoes, Vegetables, Herbs and Fruits, Promotes a Bountiful Harvest, 1 lb.

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#10

7.4 score

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Dr. Earth

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

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Buying Guide for the Best Tomato Fertilizers

Choosing the right tomato fertilizer is crucial for growing healthy and productive tomato plants. Fertilizers provide essential nutrients that tomatoes need to thrive, and selecting the right one can make a significant difference in the quality and quantity of your harvest. When picking a tomato fertilizer, consider the specific needs of your plants, the stage of growth, and the type of soil you are working with. Here are some key specifications to consider when choosing a tomato fertilizer.
NPK RatioThe NPK ratio stands for Nitrogen (N), Phosphorus (P), and Potassium (K), which are the primary nutrients in fertilizers. Nitrogen promotes leafy growth, phosphorus supports root and flower development, and potassium enhances overall plant health. For tomatoes, a balanced NPK ratio like 10-10-10 is good for general growth, while a higher phosphorus ratio like 5-10-5 is beneficial during flowering and fruiting stages. Choose a fertilizer with an NPK ratio that matches the growth stage of your tomato plants.
Type of FertilizerFertilizers come in various forms, including granular, liquid, and slow-release. Granular fertilizers are easy to apply and provide nutrients over time, while liquid fertilizers offer quick nutrient absorption and are ideal for immediate needs. Slow-release fertilizers gradually release nutrients over an extended period, reducing the need for frequent applications. Consider your gardening routine and the specific needs of your tomato plants when choosing the type of fertilizer.
Organic vs. SyntheticOrganic fertilizers are made from natural sources like compost, manure, and bone meal, and they improve soil health and structure over time. Synthetic fertilizers are chemically formulated and provide immediate nutrient availability. Organic fertilizers are ideal for gardeners looking to enhance soil health and sustainability, while synthetic fertilizers are suitable for those needing quick results. Choose based on your preference for natural gardening practices or immediate nutrient needs.
MicronutrientsIn addition to NPK, tomatoes require micronutrients like calcium, magnesium, and iron for optimal growth. Calcium prevents blossom end rot, magnesium supports photosynthesis, and iron is essential for chlorophyll production. Look for fertilizers that include these micronutrients to ensure your tomato plants receive a well-rounded nutrient supply. If your soil is deficient in specific micronutrients, select a fertilizer that addresses those deficiencies.
Application FrequencyDifferent fertilizers have varying application frequencies, ranging from weekly to monthly. Liquid fertilizers often require more frequent applications, while slow-release and granular fertilizers can last longer between applications. Consider your gardening schedule and the time you can dedicate to fertilizing your tomato plants. Choose a fertilizer with an application frequency that fits your routine and ensures consistent nutrient supply.

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