10 Best Plant Fertilizers 2025 in the United States

The Miracle-Gro Water Soluble All Purpose Plant Food is a versatile fertilizer suitable for indoor and outdoor plants, including flowers, houseplants, vegetables, and trees. This product is known for its efficiency, as it begins working instantly to promote growth and produce more vibrant plants. It's easy to use with either the Miracle-Gro Garden Feeder or a standard watering can, making it convenient for gardeners of all experience levels.

The recommended mixing ratios are clear and straightforward, making it simple to apply the correct amount for both indoor and outdoor plants. The 10 lb. container provides extensive coverage, feeding approximately 4,000 sq. ft. of garden area, which is ideal for those with larger garden spaces. However, it should be noted that this fertilizer is synthetic, which may not appeal to those looking for organic options.

This fertilizer might not be the best choice for those seeking organic solutions or those with highly specific soil pH requirements, but it serves as an excellent general-purpose option for a wide variety of plants and gardening needs.

Burpee Organic Tomato & Vegetable Granular Plant Food is a versatile and user-friendly fertilizer option. Its granular form makes it straightforward to apply, and it releases nutrients immediately while continuing to feed plants for up to three months. This long-lasting effect is a significant benefit for gardeners who prefer less frequent feeding schedules.

The fertilizer is OMRI listed for organic use, which is great for those dedicated to organic gardening practices. It has an established reputation, as Burpee has been trusted since 1876. The product is specifically designed to support tomatoes and vegetables, ensuring superior results throughout the growing season.

This fertilizer is well-suited for general vegetable and tomato gardening, particularly for those looking for an organic solution with ease of application and long-lasting benefits.

Farmer’s Secret Fruit & Bloom Booster is a highly concentrated liquid fertilizer designed to enhance flowering and fruit production in a wide variety of plants, including fruits, vegetables, and flowers. Its main appeal lies in strengthening roots to improve nutrient absorption, which can result in more abundant and vibrant blooms and harvests. The product is very easy to use, requiring only dilution of one teaspoon per two gallons of water, and can be applied through watering or spraying every 2 to 4 weeks. This makes it convenient for gardeners who want a straightforward feeding routine.

One notable strength is its versatility, as it works well on many popular plants such as citrus trees, avocados, raspberries, and ornamental flowers. The liquid form ensures quick uptake by plants. Farmer’s Secret is also a trusted brand with positive customer feedback, reflected in its high rating and bestseller status in garden fertilizers.

This fertilizer is a great fit for home gardeners looking to boost fruit and flower yields easily across many plant types. It is best suited for users comfortable with liquid fertilizers and willing to follow regular feeding schedules.