Best Green Garden Fertilizers in 2026

Sensi Grow Part A+B WSP Professional Series 5lbs set

A Premium Two-Part Grow-Phase Base Nutrient In A Water-Soluble Powder If you’re a high-volume grower who is ready to fully benefit from the economies of scale, then Sensi Grow Part A+B Professional Series was made for you.

aximize your crop growth thanks to the steady stream of primary, secondary and micronutrients contained in this easy to use hydroponic or continuous liquid-feed program.

Down to earth Kelp Meal 1-0.1-2 20lb

Down To Earth’s Kelp Meal 1-0.1-2 is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean.

Hand-harvested, carefully dried and finely milled, DTE Kelp Meal 1-0.1-2 is an ideal nutrient supplement for all types of vegetables, herbs, flowers and perennials.

Foxfarm Bushdoctor Kelp me kelp you 32oz

Kelp grows higher than even some of the Earth’s trees. The teeming aquatic life that flourishes in a kelp bed has just as much diversity as that of a rainforest.

Kelp Me Kelp You is a seaweed plant food derived from Ascophyllum nodosum and designed for use in organic gardening. Our product is a liquid concentrate that can be used for growing fruits, vegetables, gardens or flowers. Suitable for use in gardens, drip irrigation systems or hydroponic applications. OMRI Listed and Registered CDFA Organic Input Material.

Roots Organics Oregonism XL 4oz

Roots Organics Oregonism XL is a distinctive super-soluble blend of select beneficial fungi Vesicular Arbuscular Mycorrhizae (VAM), beneficial Bacillus bacteria, Pseudomonas bacteria, and humic acids.

House and Garden AQUA FLAKES A&B 32oz Set

House & Garden Aqua Flakes is the complete base nutrient formulated specifically for recirculating systems. Aqua Flakes A & Aqua Flakes B are ideal for expanded clay, mineral wool, deep water culture (DWC), aeroponics,

General Hydroponics rapid rooter tray 50 site

Rapid Rooter plugs are all-natural soilless grow plugs made of composted tree bark and organic materials.

These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications.

Plant Revolution Great White Granular 1 Mycorrhizal Organic Inoculant 2.2lbs

Great White Granular 1 is a single-species organic mycorrhizal inoculant. The single strain keeps the cost down but yields high! The Glomus intraradices strain used in this product has been specifically selected because of its superior results in many field trials. Great White Granular 1 OMRI and OIM certified makes agreat addition to any organic planting mix.

Down To Earth High Phosphorus Seabird Guano - 5 lb

Use our high phosphorous Seabird Guano to dramatically increase both the amount and size of blooms throughout the flowering period for all indoor and outdoor plants.

Seabird Guano greatly enhances beneficial bacterial activity in the soil, and because it’s water soluble, it makes an excellent tea or foliar spray when filtered.

Lilly Miller Super Sweet Granular Lime 25lb

A fast acting granular lime that reduces soil acidity. It is rich in calcium for plant nutrition. Covers 2,000 square feet.

Sweetens Acidic Soils In Just Weeks

House and Garden Drip Clean 1L

H&G Drip Clean is unlike any other product on the market! It helps with the efficiency of any existing nutrient regime! Drip Clean uses a uniquely polarised potassium compound that effectively bonds onto other minerals to ensure solubility and efficient uptake by the crop.

Drip Clean helps to prevent ‘salt’ accumulating in coco and soil substrates, and is ultra effective in all hydroponic and aeroponic system designs. We strongly recommend the use of drip clean when using inferior base nutrients as this will help to prevent potential toxicities.