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10 Best Tomato Fertilizers 2026 in the United States

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Our Top Picks

#1

Winner

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)

Rating
10.0
Chosen by1,368
NPK Ratio
Type of Fertilizer
Organic vs. Synthetic

Most important from
20606 reviews

NPK Ratio
While primarily rich in phosphorus and calcium, itโ€™s best used alongside other fertilizers for balanced nutrition and optimal plant health.
Type of Fertilizer
The slow-release formulation helps plants thrive steadily without the risk of overfeeding, promoting robust root and flower development.
Organic vs. Synthetic
Its organic nature offers peace of mind by avoiding harmful chemicals, making it a great choice for growing edible plants safely.

Burpee Bone Meal Fertilizer is an organic, powder-form fertilizer ideal for tomato plants, peppers, and bulbs. It primarily provides phosphorus and calcium, which are essential for strong root development and healthy fruit growthโ€”important for tomatoes that need sturdy roots and good nutrition. Being OMRI listed means it meets organic gardening standards, making it a good choice if you prefer natural products over synthetic fertilizers. The slow-release nature of bone meal means it feeds plants gradually, supporting steady growth throughout the season.

Since it is mainly rich in phosphorus and calcium with only small amounts of nitrogen, it does not offer a balanced NPK ratio, so you might need to supplement with other fertilizers for well-rounded nutrition. Application is easyโ€”just mix it into soil or potting mix before planting or anytime during the growing seasonโ€”but itโ€™s best used cautiously, since too much phosphorus can harm plants. This product is well-suited for gardeners looking to boost root strength and flower development organically, especially if growing tomatoes in containers or garden beds.

On the downside, it lacks additional micronutrients like magnesium or iron that tomatoes also benefit from, so itโ€™s not a complete fertilizer by itself. To sum up, Burpee Bone Meal is a trusted, natural option that supports strong roots and healthy tomato plants but should be part of a broader fertilizing plan to meet all nutrient needs.

Rating
10.0
Chosen by1,368
NPK Ratio
Type of Fertilizer
Organic vs. Synthetic

Most important from
20606 reviews

NPK Ratio
While primarily rich in phosphorus and calcium, itโ€™s best used alongside other fertilizers for balanced nutrition and optimal plant health.
Type of Fertilizer
The slow-release formulation helps plants thrive steadily without the risk of overfeeding, promoting robust root and flower development.
Organic vs. Synthetic
Its organic nature offers peace of mind by avoiding harmful chemicals, making it a great choice for growing edible plants safely.
#2

Burpee Organic Tomato & Vegetable Granular Plant Food, 4 lb

Rating
9.7
Organic vs. Synthetic
Application Frequency

Most important from
20606 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.

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.

The fertilizer supports robust growth and healthy plants by supplying essential nutrients continuously throughout the growing season. It is well-suited for tomatoes and other vegetables, but may not be the best choice for those seeking a synthetic fertilizer with immediate, intense nutrient delivery. Burpee's long-standing reputation and commitment to quality make this a reliable option for organic gardeners aiming for superior yield and plant health.

Rating
9.7
Organic vs. Synthetic
Application Frequency

Most important from
20606 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.
#3

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

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.

One key benefit is that itโ€™s safe for all plants and wonโ€™t cause burning when used as directed, offering peace of mind to users. On the downside, the product is synthetic, which might not appeal to those preferring organic fertilizers. Additionally, as a water-soluble powder, it requires proper mixing with water before application. Users should also keep in mind that frequent applications may require more time and effort compared to slow-release fertilizers.

Its broad applicability makes it a strong choice for general gardening needs, though tomato-specific users might need to consider the NPK ratio more closely.

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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