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10 Best Tomato Fertilizers 2026 in the United States
#1
Winner
Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb
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
10.0
Chosen by1,339
Organic vs. Synthetic
Application Frequency
Most important from
20772 reviews
#2
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
This 10-10-10 slow-release fertilizer offers a balanced mix of nitrogen, phosphorus, and potassium, which are essential nutrients for healthy tomato plants. Its granular form makes it easy to spread evenly in your garden. The slow-release formula means it feeds your plants for up to 8 weeks, reducing how often you need to apply it—typically twice per season for vegetables like tomatoes.
#3
Osmocote Smart-Release Plant Food Flower & Vegetable, 1 lb.
Osmocote Smart-Release Plant Food Flower & Vegetable is a well-regarded fertilizer that works great for vegetable gardens, including tomatoes. It’s designed to support strong root growth and healthy top growth, which is important for producing flavorful tomatoes. One of its main benefits is the slow-release formula that feeds plants for up to four months, meaning you won’t need to apply it frequently. This can save time and effort during the growing season.
Rating
9.4
Type of Fertilizer
Application Frequency
Most important from
7756 reviews
Top 10 Best Tomato Fertilizers 2026 in the United States
#1
Winner
Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb
Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb
Type of Fertilizer: Granular
Organic vs. Synthetic: Organic
Application Frequency: up to 3 months
Chosen by 1339 this week
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
NPK Ratio: 10-10-10
Type of Fertilizer: slow-release
Organic vs. Synthetic: synthetic
Application Frequency: twice per season
Osmocote Smart-Release Plant Food Flower & Vegetable, 1 lb.
Osmocote Smart-Release Plant Food Flower & Vegetable, 1 lb.
Type of Fertilizer: Granules
Organic vs. Synthetic: Synthetic
Application Frequency: up to 4 months
Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
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
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)
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)
NPK Ratio: mainly phosphorus, calcium, little nitrogen
Type of Fertilizer: powder
Organic vs. Synthetic: organic
Micronutrients: lacks magnesium, iron, other micronutrients
Application Frequency: anytime during growing season
Related Products
Up to 13% off
Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack
Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack
NPK Ratio: 12-0-0
Type of Fertilizer: Granules
Organic vs. Synthetic: Organic
Application Frequency: Moderate, follow package instructions
Miracle-Gro 2000422 Tomato Plant Food Tomato Fertilizer (6 Pack), 1.5 lb
Miracle-Gro 2000422 Tomato Plant Food Tomato Fertilizer (6 Pack), 1.5 lb
Type of Fertilizer: Powder
Organic vs. Synthetic: Synthetic
Application Frequency: every 1-2 weeks
FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Pint)
FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Pint)
NPK Ratio: 0.01-0.03-0.7
Type of Fertilizer: Liquid
Organic vs. Synthetic: Organic
Application Frequency: Regular use
Farmer's Secret Tomato Booster Fertilizer (32oz) - Super Concentrated - 3:8:7 Ratio Fortified with Humic Acid, Iron and Calcium - Grow More Tomatoes
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
#10
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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.