Best Green Garden Fertilizers in 2026

Get your garden going with FoxFarm Grow Big, our liquid concentrate fertilizer that supports lush vegetative growth.

FoxFarm Big Bloom Liquid Plant Food is formulated for use on all plants and can be used every time you water. OMRI Listed and Registered CDFA Organic Input Material.

FoxFarm Tiger Bloom is a phosphorus fertilizer that contains nitrogen to support vigorous growth. FoxFarm Tiger Bloom is designed to encourage abundant fruit, flower and multiple bud development.

OSMOCOTE’S HIGHEST TOTAL NUTRIENT FORMULA: NPK = 14-14-14. Favored for seasonal vegetables and perennials. Promotes strong roots as well as vigorous and bountiful above-ground growth.

OSMOCOTE’S DIRECTIONS FOR USE: 1 lb. covers 40 sq. ft. (approx. 6½’ x 6½’). Mix into 1 – 3” of soil. Applicator included. Apply to vegetable gardens and mulched areas around ornamental trees / shrubs, and raised beds.

OSMOCOTE QUALITY: Osmocote is the original slow-release plant food. Decades of rigorous field testing confirm product effectiveness with hundreds of plant species in a variety of climate and soil conditions.

Highly fortified calcium, magnesium, and iron plant supplement formulated to correct common deficiencies

Supplement your existing nutrient program with Cal-Mag Plus

To Use: Mix well and use with every watering, as needed, for enhanced growth apply as a foliar spray

Instantly feeds to grow bigger, more beautiful plants versus unfed plants

Product packaging may vary

Use with the Miracle-Gro Garden Feeder or any watering can

Product 1: General Hydroponics FloraGro 2-1-6 delivers nutrients for structural and foliar growth

Product 1: Combine FloraGro 2-1-6 with FloraMicro and FloraBloom to create a nutrient mix tailor-made for your plants and their phase of growth (seedling, cutting, structural, flowering, or fruiting)

Product 1: Ideal for hydroponic applications and as a nutrient supplement for potted plants

FEED YOUR PLANTS: Burpee's All-Purpose Organic Plant Food is formulated to keep your plants growing and happy throughout the season. Major nutrients as well as calcium, minor nutrients, and some of the beneficial microbes that help keep the soil and plants healthy are released immediately and continue to feed your plants for up to 3 months.

FOR VEGETABLES, FLOWERS & HERBS: Use this natural plant food for seed starting, bedding plants, vegetable gardens, trees, shrubs and flower containers. OMRI labeled organic. The custom blend promotes plant growth and more blooms! Great for indoor or outdoor plants.

ORGANIC CERTIFIED: OMRI listed for organic gardening use, this plant food safely keeps your soil and plants as healthy as they can be. Easy to apply granules release essential nutrients and deliver fast-acting results for all types of plants in your home garden. Follow instructions on the bag for how much plant food to apply.

Mixes only with water based solutions, will not work with oil based

Easily marks grass and lawns

Mix with herbicides, fungicides, pesticides, & fertilizers

Free Measuring Spoon Enclosed For Easy And Precise Application

Features The Highest Safety Factor To Prevent Burning When Applied As Directed

Blended With An Enhanced Micronutrient Package Which Provides Optimal Nutrition For Strong Roots And Green Foliage

Grow stronger, healthier plants, with denser root systems and bigger crop yields.

Professional strength soil microbe superpack. Loaded with Mycorrhizae, Trichoderma, and billions of other beneficial soil microbes.

Works great for indoor and outdoor gardens. Use it on all your plants, crops, and trees; perennials and annuals.

Grow a beautiful vegetable garden

Flowers and foliage will be stronger and more colorful

Blooms will be more plentiful, fragrant and longer lasting

Proven Winners water Soluble fertilizer comes in an easy-to-use 2.5 lb. Container with a carrying handle and measuring scoop

24-12-17 fertilizer blend

Following the application rates on the container, apply at least every week, or every third watering

A three-pack of favorite liquid fertilizers from FoxFarm

Grow Big produces lush, vegetative, compact growth

Tiger Bloom is an ultra-potent, fast-acting, high-phosphorus fertilizer

Scotts Turf Builder Triple Action is a three-in-one formula that kills weeds, prevents crabgrass, and feeds grass to build thick, green lawns

Controls existing listed lawn weeds, including dandelion, clover, dollarweed, ground ivy, chickweed, plantain, henbit, and english daisy

Prevents crabgrass for 4 months (will not kill existing crabgrass); prevents other listed grassy weeds from invading your lawn

PROMOTES ROOTING: Rooting hormone grows new plants from cuttings.

GROW CUTTINGS: Works with most popular home, garden and greenhouse varieties.

ROOT NEW FAVORITE PLANTS: Helps African violets, roses, poinsettias, philodendrons, geraniums, coleus, woody ornamentals and more grow from cuttings.

Perlite

Helps loosen heavy soils and prevent compaction

Aerates soil and promotes root growth

AZOMITE has been shown to improve root systems, yields and general plant vigor in a variety of applications; from field crops and orchards to lawn and garden use. AZOMITE helps remineralize nutrient-depleted soils. 100% naturally derived, AZOMITE is OMRI listed for use in organic production and farming.

Organic Trace Mineral Powder w/ 67 Essential Minerals for Your Garden Bulk Fertilizer Powder-Be Green and Grow Your Own Food. Great for blending into soil mixes, hydroponic systems, Irrigation System Injection with Agitation, Greenhouse Potting Soil, Fertilizer, Home Gardens, Potted Plants

Improves root systemsMicronized is a powder with flour-like consistency, where 90% of the particles will pass through a 200-mesh screen., yields and plant health

Ideal for recharging soil and container growing. For brewing compost tea, we recommend using VermisTerra Premium worm castings.

Macronutrients, micronutrients, trace minerals, natural plant hormones. Boosts growth of roots, leaves, flowers and fruit.

Pure worm castings, less water weight; easier to mix, apply, and spread.

Down To Earth Rose & Flower Mix is a one pound box of all natural fertilizer with 4-8-4 formula and supplies nutrients for vigorous growth and sensational flowers

A special fertilizer blend that provides ample nitrogen for vigorous growth, extra phosphorus for beautiful blooms and potassium and trace elements for healthy plant stock

Great for starting edible bulbs, like garlic and onion, apply when planting your favorite new roses, bulbs, perennials and use throughout the season when new growth appears on existing plants

PURE EARTHWORM CASTINGS – Wiggle Worm Soil Builder is pure castings, not vermicompost, because of our special manufacturing and harvesting process. It’s not uneaten worm bedding with some worm castings, so it’s pure, nutrient-rich, and mineral-dense.

IMPROVES SOIL STRUCTURE–Wiggle Worm Pure Worm Castings contain tiny, football-shaped particles that prevent packing to help improve plant soil aeration. Our soil supplement also helps improve the root’s water retention capacity.

NATURAL INSECT REPELLENT – Aside from providing nutrients to the soil, Wiggle Worm Pure Worm Castings can also help control the population of plant pests such as whiteflies, spider mites, and aphids.

Benefits: Makes 64,000 applications for house plants. Makes 500 gallons, Each gallon makes 128 applications Its like a full ecosystem in a bottle that is a concentrated formula for watering your plants its easy, 1. 2. 3. and your ready to go. Great for all soil and growing medias, hydroponics, semi hydro, lecca, Bavariums with reptiles, terrariums, water gardens and fish tanks, flowers and so much more. Good For Roots, Stems, Leaves, Blooms, Foliage, and over all plant health.

What is it: Fully Digested Elemental, Nutrient Supplement System for all plants. All vitamins and minerals with the microbial index are essential to a plants life. Complete Micro-fungi mycorrhizae and rhizobacteria strains, in a pH Balanced formula.

How its made: Through our Zymology process we break down the 18 ingredients into thousands of separate fully digested and readily absorbable elements. This full nutrition can take over 5 years to complete before we bottle it up for you.

Provides supplementary macro and micro nutrients. This bottle is 32 ounces of concentrate that will yield as much as 32 gallons of finished liquid fertilizer (just add water).

Tremendously beneficial for soil quality & improved rooting

Stimulates growth and improves plant health and color.

PLUMERIA PLANT FOOD: Nelson Plumeria and All Flowering Tropical Evergreen Plants Food featuring (NPK) Nitrogen (5%), Phosphate (30%), Soluble Potash K20 (5%). Balanced ingredients encourage regrowth after pruning. Contains five Nitrogen sources to ensure a constant feed. Higher Phosphorus produces more blooms, while added elemental Sulfur helps increase soil acidity. Specific micronutrients promote brilliant and colorful blooms.

TROPICAL PLANT FOOD: Excellent source of nutrients and minerals for in-ground and container grown trees, shrubs, evergreens including but not limited to: Plumeria, Frangipani, Lei Plant, Ground Orchids, Tree Ferns, Peace Lily, Crotons, Plumbago, Stephantis, Mexican Firebrush, Candletree, Ixora.

PATIO INDOOR OUTDOOR PLANT FERTILIZER: Helps promote more beautiful and lash green foliage growth due to balance nutrition. Important micronutrients allow plants to active maximum health.

They grow to be 3-8 inches long, and are 2 or 3 times bigger than their smaller cousins, the red wigglers (Eisenia Fotida).

The euros are certainly better for larger foods that aren't as broken down, or for leaves and other tougher material that has not been pre-composted.

Can be successfully introduced to most garden environments. They are mid range dwellers and will till and aerate your soil for you, while supplying valuable castings.

Wholly Mackerel provides immediately available nutrition to support vigorous growth

Bush Doctor Wholly Mackerel is a liquid plant nutrient derived from fish.

Kelp Me Kelp You Our product is a liquid concentrate that can be used for growing fruits, vegetables, gardens or flowers

Feed all bulbs, tubers, corms and rhizomes

Made with 100% organic and natural ingredients

Superior blend of fish bone meal, alfalfa meal, feather meal, soft rock phosphate and mined potassium sulfate

Nobody likes blossom end rot or tip burn.

That’s why FoxFarm brings you BUSH DOCTOR CAL-MAG.

Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems.

Fox Farm Liquid Nutrients

Natural Product - Composed of 2lbs of 100% ground freshwater diatomaceous earth with absolutely no additives or fillers

OMRI Listed - Listed with the Organic Minerals Research Institute, a non-profit organization that reviews products against organic standards.

Supports a Great Cause - Harris donates 10% of profits to support the local Etowah Valley Humane Society.

Use Tiger Bloom at the first sign of flowering

To extend flowering or fruiting; add Big Bloom liquid fertilizer late in the season

Formulated with a low pH to maintain stability in storage and keep micronutrients available

MasterBlend 4-18-38 Master Kit (3 Separate Components in correct amounts)

Contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate)

Used by professionals worldwide for optimum plant growth