10 Best Tomato Fertilizers 2025 in the United States

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 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.

FoxFarm Big Bloom Plant Food is a versatile liquid fertilizer designed to enhance the growth and health of flowers, fruits, and vegetables, making it suitable for both indoor and outdoor potted plants. Its NPK ratio of 0.01-0.03-0.7 indicates a low concentration of nitrogen, phosphorus, and potassium, which is more suited for maintaining plant health rather than rapid growth spurts. This gentle formula is less likely to cause nutrient burn or over-fertilization, making it safe for regular use.