Best Organic Garden Fertilizers of 2026

The True Organic Plant Food offers balanced nutrition that supports the growth of fruits, vegetables, flowers, herbs, and leafy plants, helping you achieve healthy and vibrant results. Its formula includes essential nutrients like nitrogen, phosphate, potash, calcium, and sulfur, which not only feed your plants but also help keep your soil rich and fertile. Made from natural ingredients such as seabird guano and shell meals, this eco-friendly fertilizer is safe and effective. Plus, it’s easy to use on both garden beds and pots, allowing you to apply it monthly during the growing season for consistent plant health and growth.

The Down to Earth Organic Vegetable Garden Fertilizer is an all-natural, versatile mix that can help your vegetable plants grow throughout the season. Its 4-4-4 formula is perfect for your sprightly spring greens, summer tomatoes, and favorite fragrant herbs. This five-pound box of granules is full of powerful nutrition to give your plants a superpower. Use it in your backyard gardens and hobby farms for an excellent start to a bountiful harvest.

Grow an abundant harvest of nutritious and flavorful vegetables with Espoma Organic Garden-Tone 3-4-4 Organic Fertilizer. This fertilizer is perfect for leafy vegetables such as kale and cabbage, as well as warm season crops like tomatoes, peppers, squash, and melons. It is a rich blend of natural and organic ingredients, enhanced with an exclusive Bio-tone formula, and has a 3-4-4 fertilizer analysis with 5% calcium. Garden-tone is environmentally safe, approved for organic gardening, and requires no mixing. Apply monthly throughout the growing season to the soil around the drip line of the plant or on either side of planting rows and then water thoroughly.

Burpee Natural Purpose Granular 4-Lb Organic Food is an all-purpose plant food that provides essential nutrients, calcium, and beneficial microbes to keep your plants healthy and growing all season long. It's perfect for vegetable gardens, flower gardens, herbs, trees, shrubs, and containers. The organic formula promotes plant growth, fruit production, and vibrant blooms, making it a natural fertilizer for your best garden.

Jobe's Organics Vegetable & Tomato Granular Fertilizer is a fast-acting, organic granular fertilizer that helps you achieve a more abundant harvest of vegetables and tomatoes. The product contains Jobe Biozome, a unique, extremely aggressive proprietary microorganism archaea that helps break down complex hydrocarbons and minerals into basic nutrients and trace elements that plants readily absorb. Using this fertilizer improves the long-term soil quality of your garden, increases root mass, and helps your garden resist disease, insects, drought, and other unfavorable conditions within a growing season. The easy pour bag is convenient to use, and the product is OMRI listed for organic gardening by USDA, which means no synthetic chemicals and is safe for use around children and pets.

Espoma Plant-Tone Organic Fertilizer is the original all-purpose plant food that slowly breaks down natural organics to provide long-lasting plant nutrients. It is perfect for all types of flowers, vegetables, trees, and shrubs. With a rich blend of natural and organic ingredients, it is enhanced with the exclusive Bio-tone formula and contains a 5-3-3 fertilizer analysis with 5% calcium. It can be used in spring and fall for trees and shrubs, and monthly throughout the growing season for roses, flowers, and vegetables. Applying it is easy - just sprinkle it around the drip line of the plant and water thoroughly. It is also registered as an Organic Input Material, meeting all requirements for organic production. Espoma Plant-Tone Organic Fertilizer is environmentally safe, with no sludges or toxic ingredients. Made in the USA by the Espoma Company, which has been a leader in natural organics since 1929.

The Espoma Chicken Manure Fertilizer is a natural and organic option to nourish your flowers, vegetables, trees, and shrubs. It works well for various plants like annuals, perennials, roses, tomatoes, peppers, and more, making it versatile for your garden. The fertilizer contains pure chicken manure that is heat-treated and granulated, ensuring an easy and mess-free application without any harmful additives. You can use it in spring and fall for trees and shrubs, and apply it monthly to your flowers and vegetables during the growing season. Just spread it around the plant’s drip line and water it in — no mixing needed. This product is also approved for organic gardening, so it fits perfectly with eco-friendly practices.

Espoma Organic Grow! Liquid Concentrate Plant Food is an all-purpose fertilizer that can be used for both indoor and outdoor plants. With its natural proteins, kelp extracts, and humic acids, this liquid concentrate provides essential nutrients to promote healthy growth. The fertilizer analysis of 2-2-2 ensures a balanced formula without any sludges or toxic ingredients. For convenient use, simply mix with water as directed and apply to your plants every 2-4 weeks throughout the growing season. Espoma Organic Grow! is approved for organic gardening, meeting all the requirements for organic production. Made in the USA by the Espoma Company, a leader in natural organics since 1929.

The Miracle-Gro Organic Fertilizer is designed to help you grow healthier plants using natural ingredients. Made mostly from plants, it provides quick nourishment, making your plants stronger compared to those without feeding. You can use this fertilizer on all kinds of plants, whether they are indoors, in containers, or in your garden soil. Applying it is simple: just mix the liquid with water following the instructions and soak the soil around each plant. For ongoing care, you can reapply every one to two weeks, ensuring your plants stay vibrant and resilient over time.

Organic Plant Magic All-Purpose Fertilizer Concentrate is a truly organic and fast-acting water-soluble plant food that provides advanced nutrition to build healthy, nutritious living soil and feed plants continuously on-demand. It empowers plants to express their full genetic potential, producing intense leaf, flower, fruit, veggie, and herb growth with vibrant color and flavor. This versatile powder is packed with essential plant nutrients, trace minerals, amino acids, humic acids, kelp, and beneficial GroBiotics, including mycorrhizae, and works for every plant, every time.