10 Best Organic Fertilizers 2025 in the United States

Miracle-Gro Water Soluble All Purpose Plant Food is a versatile, user-friendly fertilizer suitable for various plants, including indoor and outdoor plants, roses, flowers, houseplants, vegetables, and trees. With a significant 10 lb. container, it is designed to cover approximately 4,000 sq. ft. of garden area. This product claims to grow bigger, more beautiful plants compared to those unfed, thanks to its nutrient-rich formula that starts working instantly.

Jobe’s Organics Granular All Purpose Fertilizer is a versatile option suitable for a wide range of plants, including vegetables, flowers, shrubs, and trees. Its balanced nutrient content with a 4-4-4 NPK ratio ensures that it provides essential nutrients uniformly, which is great for plant health and yields. This fertilizer stands out because it contains no synthetic chemicals and is OMRI listed, meaning it is certified for organic gardening by the USDA, making it an environmentally friendly option.

Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules offer a convenient way to feed vegetables, flowers, and herbs with organic ingredients. The granules come in a shaker jug, making application simple—just sprinkle onto dry soil, mix lightly, and water. It starts working in about a week, which is fairly quick for organic fertilizers. The product covers up to 240 square feet and suggests reapplying every 4 to 6 weeks to keep plants well-nourished.