10 Best Vegetable Garden Fertilizers 2025 in the United States

Miracle-Gro Shake 'n Feed Extended Boost is a fertilizer designed to support various plant types, including vegetables, over an extended period—up to 6 months. It uses a granular form, which makes it easy to apply by simply shaking it over your garden area and watering it in. This fertilizer is known for its convenience and long-lasting feeding capability, which can be particularly advantageous for vegetable gardeners who prefer low-maintenance solutions.

One of the key strengths of this product is its balanced N-P-K ratio of 5:5:10, promoting both root development and plant growth, which is beneficial for healthy vegetables. Its slow-release formula provides consistent nutrients over several months, minimizing the need for frequent reapplication.

However, it is important to note that this fertilizer is synthetic, which might not align with the preferences of gardeners looking for an organic option. Additionally, while it is suitable for a range of soil pH levels, users with specific soil needs should verify compatibility. The 3-pound package covers up to 111 square feet, making it a practical choice for small to medium-sized gardens.

Gardeners should consider their specific soil conditions and whether a synthetic, slow-release formula aligns with their gardening philosophy and needs. This product is particularly suited for those seeking a straightforward, long-acting nutrient solution for vegetable gardens.

Miracle-Gro Shake 'N Feed All Purpose Plant Food is designed to feed plants for up to 3 months, making it a convenient option for gardeners who prefer less frequent application. It contains vital micronutrients that promote stronger and more vibrant plant growth, which is beneficial for a vegetable garden.

This fertilizer can be used with various plant types including flowers, vegetables, and herbs, and is suitable for both in-ground and container plants, offering versatility in application. The granule form allows easy application by simply working it into the soil and watering to activate the feeding process.

The inclusion of natural ingredients suggests a blend of synthetic and organic components, catering to different gardener preferences. This product is well-suited for gardeners looking for a straightforward, long-lasting fertilizer that supports diverse plant types.

The FoxFarm Fertilizer Soil Trio (Tiger Bloom, Grow Big, Big Bloom) is a well-rounded option for those looking to support their vegetable garden's growth. This pack includes three different liquid fertilizers that work together to ensure lush vegetative growth, abundant fruit, and multiple bud development. Grow Big is a liquid concentrate focusing on lush growth, while Big Bloom, which is OMRI Listed and CDFA Organic Input Material registered, can be used with every watering to support all plant types.

Tiger Bloom is particularly useful for encouraging vigorous growth and the development of flowers and fruits due to its phosphorus and nitrogen content. The included Twin Canaries Conversion Chart is a helpful tool for users to measure the correct application rates easily. On the downside, being a liquid, it may require more frequent application compared to slow-release granules, which can be less convenient for some gardeners.

It's also important to note that the product weight is relatively low (16 ounces each), so larger gardens may require multiple packs. Despite these minor drawbacks, the FoxFarm Fertilizer Soil Trio offers an effective and organic way to nurture vegetable gardens, making it a good choice for both new and seasoned gardeners alike.