Best Mineral Garden Fertilizers in 2026

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

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.

Down To Earth Langbeinite 0-0-22 is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs

Its maximum chlorine content is less than 3.0 percent, minimizing the potential for fertilizer “burn,” and its neutral pH does not alter soil activity

Potassium contributes strongly to overall plant health by regulating internal processes. Since potassium makes up part of the fluid of the plant, it is found throughout plant tissue, meaning plants need a strong source of potassium as they grow

OMRI ​ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and growth. OMRI listed for organic use, GS Plant Foods Liquid Seaweed Fertilizer is a completely natural, seaweed extract fertilizer for plants. Our liquid seaweed will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. This can be applied to any type of soil or plant without concern for waste or harmful chemicals.

ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods. Our seaweed extract greatly increases your plant’s resistance to stressors such as excessive heat, wind, drought conditions and more. The seaweed fertilizer for plants will increase the bloom set and size of flowers and fruit. It increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants.

OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, kelp liquid fertilizer acts as an efficacious growth promoter. GS Plant Foods sea kelp fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Using GS Plant Foods seaweed plant fertilizer will lead to healthier crop yields and general plant well being.

OMRI ​ORGANIC LISTED FISH AND SEAWEED BLEND: GS Plant Foods all-natural fresh fish liquid fertilizer is a high quality organic product that gives excellent plant growth, rebuilds soil, and offers higher production yields. The kelp fertilizer can be applied to any type of plants, trees, lawns, flowers, vegetables and seeds without concern for waste.

REBUILDS SOIL & IMPROVES PLANT COLOR: Our organic liquid fertilizer increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants. This seedling fertilizer relieves stress in plants caused by extreme weather conditions, increases plant vigor, greater resistance to heat, drought, and frost. Our organic liquid fertilizer for seedlings increases microorganisms in the soil and increases mineral uptake.

OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid seaweed fertilizer acts as an efficacious growth promoter. GS Plant Foods fish seaweed fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Reduce herbicide use by adding our liquid kelp extract, and yet maintain the same kill effectiveness. This fish fertilizer for vegetables will lead to healthier crop yields and general plant well being.

Superior water-storing properties

Pure mineral without fibers or solvents

Coarse pored and aerate expanded clay

ORGANIC PLANT FERTILIZER: GS Plant Foods Ocean Magic Sea Minerals works as a soil fertility supplement that re-mineralizes the soil. Ocean Magic is derived from extremely clean sea water. This ocean fertilizer contains all the minerals in the same proportions that those same minerals occur in the blood of healthy animals. Anyone who wants to optimize their garden and improve the mineral content of their soil and vegetation can do so by applying Ocean Magic.

WATER-BASED SPRAY SOLUTION: This mineral fertilizer is 100% water-soluble in contrast to rock powders which are not. Ocean Magic Sea Minerals is helpful to all types of soil and any growing conditions. GS Plant Foods sea fertilizers will produce major improvements in your plant’s growth (volume) and will improve the nutrient value and taste of food products you grow. Our ocean minerals liquid fertilizer is powerful enough for outdoor plants but gentle enough to not burn indoor plants.

SPRAY ON ALL PLANTS OR CROPS: GS Plant Foods Ocean Magic Sea Minerals is a high quality organic fertilizer that gives excellent plant growth. GS Plant Foods liquid plant fertilizer can be applied in your lawn and turf, fruits, vegetables, gardens, and house plants without concern for waste or harmful chemicals. GS Plant Foods house plant fertilizer greatly benefits the development of the plant’s root system, resulting in stronger, healthier plant, enabling growth and nutrient uptake.

OMRI listed for Organic use

Complete Plant Nutrition - All 90 macro, micro, trace, and ultra-trace mineral nutrients

More Blooms, Greener Lawns, Bigger Yeilds, and Better Tasting Plants

AZOMITE is a natural mineral substance which is mined directly from its Utah desert source. OMRI-Listed for organic production, AZOMITE can be used as an agricultural fertilizer and/or soil amendment product, It is easy and safe to use and good for the environment.

Many nutrient elements have been depleted from soils worldwide due to weathering, leaching, and depletion from decades of continuous agricultural production and AZOMITE been reported to replenish these nutrients. Technically, AZOMITE is a highly mineralized complex silica ore (Hydrated Sodium Calcium Aluminosilicate or HSCAS), mined in Utah from an ancient deposit left by a volcanic eruption that filled a small seabed an estimated 30 million years ago.

According to research and customer reports, plants grown with AZOMITE produce more and larger fruits and vegetables per plant that are better tasting — with evidence of improved nutritional benefits. AZOMITE has shown these positive results in a wide variety of plants in both field and laboratory.

[Long Lasting, Less Work] - An easy one time granular application can feed your potted indoor or outdoor houseplant for several months, with all of the Nutrient release happening only when you water.

[Light Feeding Rate] - Our Balanced ratio of nitrogen, phosphorous, and potassium (NPK) will never over concentrate in the potting soil of your live succulent plants. It will feed your arid loving plants the optimal amount to insure healthy root development, Vibrant Colors, sturdy stem growth, and could contribute to bloom growing.

[Professionally Formulated]- This Blend contains balanced micronutrient and mineral ratios that are perfect for many succulent and cactus varieties like Jade, crown of thorns, lithops, pilea, snake plants, echeveria, aloe vera, string of pearls, and more.

RAW Enzymes are a proprietary blend designed to clear away problems that may occur in the root zone of plants. Unlocking minerals that are otherwise unavailable to the root system.

Tech Grade and completely water soluble allows for easy cleaning of foliar equipment and emmiters

Excellent way to flush at the end of your grow cycle and clear feeding lines of unwanted fertilizer build up.

Dolomite Lime is all natural mineral fertilizer listed by the Organic Materials Review Institute (OMRI) for use in organic production

Supplies essential nutrients calcium and magnesium, and sweetens your soil to improve plant growth and maximize fertilizer performance

Raises and stabilizes soil pH. Perfect for Earthbox and other container gardens!

🌄 ORGANIC FERTILIZER FOR LAWN CARE creates a sustainable healthy lawn. Promotes germination, root and shoot growth and resilience of grassblades. In contrast to mineral lawn fertilizer, organic lawn fertilizer offer not only macro- and micronutrients but also amino acids, polysaccharides, vitamins and natural plant hormones tailored to the needs of plants. It activates the soil and beneficial microorganisms,

🌄 APPLICATION 100% water soluble flakes. Simply mixed with water to get exactly the amount of liquid fertilizer needed. Or spread flakes directly onto the lawn before watering or rainfall. Flakes can be stored for 3 years. Odor-neutral organic fertilizer works even next to your garden table. Safe use as organic lawn starter directly when sowing, as spring and summer feed and to promote regenaration of plants and soil in fall and winter.

🌄 VEGANIC GROWING is the most innovative and modern way of growing plants. Florasoul LAWN FOOD is OMRI listed and certified by the VEGAN Society. The composition is 100% plantbased, non-GMO, eco-friendly, chemical-free and biodegradable. The advantage of plant-based fertilizers is the safe use. Over-fertilization will not harm plants and the environment. Completely safe for children, pets, bees, insects, wildlife and groundwater

10 Pounds of Micronized Azomite powder by The Seed Supply

Micronized Azomite is a water-flowable (approx. 200 mesh) powder containing 67 trace minerals to supplement and improve mineral depleted soil. Azomite is a good amendment for crops, compost and potting soil and is used to increase size and yield of fruit. It's also excellent for coating seeds or irrigation for maximum germination and initial growth.

Azomite is safe for use with both plants and animals. Azomite will not harm or burn plants. Apply directly or with compost, humus, manures, fertilizers, or beneficial soil microbials. May be used in compost tea productions.

Finale boost along with its sibling product Peak boost make up the Aptos flower development and bulking solution. Perhaps the most noticeable implementation of the Third Pillar of Aptos Philosophy: Mineral Antagonism, Finale boost moves most of the potassium used during the bloom cycle solely into one product.

With this formulation, Aptos has allowed for absolute control of heightened potassium application throughout the end ripening phases of a plant’s growth cycle.

The specific application of plant-available potassium allows for optimal health by removing the negative antagonistic effects of cheap bulk products containing high amounts of both potassium and phosphorous.

Reduces mineral build-up liquid crop insurance

Use in any hydroponic growing system

Highly concentrated

Revolutionary nutritional supplement based on optimal levels of bio mineral nutrients

ATA biological stimulants to create a one of a kind nutrient additive specifically designed for the flowering and ripening of your plants.

Bloombastic by Atami is the most complete Bloom Stimulator

Organic and perfect for gardens

67 Major And trace elements

Azomite eremite trace mineral element NPK

Nitrogen Encourages Greening & Vertical/Lateral Growth for a Thicker, Greener Lawn. High Nitrogen Liquid Lawn Food contains the essential nutrients to establish your lawn into a thicker, greener, envy-worthy lawn!

70% Quick Release and 30% Slow Release Nitrogen: Quick Release Nitrogen for immediate absorption, and Slow Release Nitrogen to continue to feed in between fertilizer applications.

Encourages Darker Green Turf: Lawn Energizer contains Nitrogen and Iron to help you achieve that dark green color, maintain lawn, and treat lawns deficient in Nitrogen or Iron.

100% Plant & Mineral Based! Safe & Sustainable — No Synthetic Chemicals or Factory-Farmed Animal Waste Inside!

See quick results with this well-balanced blend including kelp and alfalfa meal for long lasting nutrition, and mycorrhizae to promote strong root growth.

UNLOCK MAXIMUM GROWTH POTENTIAL: High nitrogen and phosphorus concentration from seabird guano, along with other minerals, will give your plants all the nutrients they need for maximum development

IMPROVES ROOTS AND SOIL QUALITY: Perfect for all growth stages, from early vegetative to flowering and flush; Improves roots and soil quality to enhance your flowers, fruits, vegetables, and ornamentals

MULTIPURPOSE USE: Can be applied to all types of indoor, outdoor, and hydroponic plants; Use the fertilizer as a highly effective compost tea or soil dressing mix

20 Pounds Granular Slow Release Fertilizer by The Seed Supply

Natural Soil Amendment

67 Trace Minerals and Nutrients

PROTECT YOUR FLOWERS FROM HEAT & DROUGHT: This water crystals prevents over and underwatering, helping your plant grow quickly. The advanced crystals mix with soil to reduce the amount of watering needed and water stress in plants to protect them from heat and drought

LOCK MOISTURE: These are super- absorbent micro-crystals, about the size of sugar crystal. They are just like sponges that hold a tremendous amount of moisture. It binds the water molecules with the crystal chain, making the crystal swell to absorb nutrients

LONG-LASTING KEEP MOISTURE: Our this water absorbing granules can reduce plant waterings by 50% for indoor pots and outdoor gardens, it can last up to 6 -12 months in the soil

Darker Green and 16-4-8 NPK Lawn Food work together to provide the lawn with the macronutrients needed for maintaining a lush, dark green lawn and micronutrients for a deep dark green.

A Balanced Lawn Food: 16-4-8 NPK Lawn Food contains Nitrogen, Phosphorus, and Potassium and contains the essential nutrients to establish your lawn into a thicker, fuller, envy-worthy lawn!

Nitrogen enhances greening and growth, Phosphorus encourages plant/root development for establishing root support, and Potassium promotes plant hardiness, helping lawns prepare for temperature change and stressful conditions.

Boost Soil Quality & Plant Yield - Get the garden you've always dreamed of! Our liquid plant food contains a blend of humic acid and fulvic acid that can help condition the soil and promote root growth.

Care For Your Garden Naturally - Our organic liquid fertilizer is OMRI certified. It's perfect for organic farmers and those who want to use natural fertilizers for their lawns or flower gardens.

Multiple Ways To Apply - This organic soil conditioner can be used on its own, or mixed with water and other soil additives. Our organic fertilizer can be applied via sprayers or hydroponic setups.

5 Pounds of Zeolite Powder with a pale green color by The Seed Supply

Zeolite, which is of volcanic origin and contains the distinctive mineral Clinoptilolite, is an 85% opaline silica and is widely used as a soil amendment for it's ability to increase water retention in the soil and allow plants to more easily access it.

Unbelievably, it can hold up to 55% of its weight in water and slowly releases it to the plant as needed.

Primordial Solutions Rootamentary 2 oz

Use Rootamentary during all stages of plant development to promote maximum root development.

Use early as a root stimulator, throughout vegetative growth to ensure massive roots, and moderately in early flowering/fruiting as a supplemental nitrogen boost.

Combining Accelerate Liquid Surfactant with our Darker Green Liquid Iron Fertilizer enhances the effectiveness of this foliar fertilizer by reducing surface tension helping the product be better absorbed into the lawn.

Accelerate Liquid Surfactant enhances the effectiveness of other lawn products. Combining our Non-Ionic Liquid Surfactant with your favorite products will increase the effectiveness of these products by way of surface tension.

Liquid Lawn Surfactant Increases the coverage and absorption of products. Instead of the solution dripping off of the plant, Accelerate Liquid Surfactant reduces the surface tension allowing for better absorption of these products.

Perk Up Your Indoor Plants and Outdoor Garden: Soil Hume, 4-6-8 Plant Food and Micro Booster were developed for garden, flowers, trees, Young Outdoor Plants, Indoor House Plants, Flower Beds, Potting Soil, and veggie/fruit garden applications.

4-6-8 All-Purpose Plant Food contains Nitrogen, Phosphorus, Potassium, Calcium and Humic Acid and is perfect for maintaining lush, vibrant green plants, and for treating nutrient deficiencies.

Micro Booster: Promotes development & Vigor of turf, trees, flowers, & fruit/veggie gardens.