Soil Amendments

Potassium Sulfate contains potassium (K) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach th...

Langbeinite (AKA KMag, or SulPoMag) is a mineral that contains potassium (K), magnesium (Mg) and sulfur (S) – three of the essential nutrients that...

Ultra fine and highly reactive, Calcium 96 is a natural limestone powder that provides immediate availability of this valuable nutrient for plants ...

Gypsum is composed of calcium (Ca) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their ma...

Down To Earth’s Cottonseed Meal 6-2-1 is traditionally used to feed plants that thrive in lower pH soils, such as berries, flowering shrubs and eve...

Down To Earth’s Fish Meal 8-6-0 is recommended for vegetable gardens, flower beds and all types of outdoor plants, trees and shrubs. DTE Fish Meal ...

Down To Earth’s Insect Frass is an all-natural fertilizer produced through sustainable insect farming and derived from the larvae manure and exoske...

Use Down To Earth’s high-phosphorus Seabird 0-11-0 guano throughout the flowering period for all indoor and outdoor plants. Strawberries, melons, v...

Biogreaux Power Blend is our premium all-natural fertilizer and soil amendment made from a mix of our Crab Shell, Shrimp Shell and Blackstrap Molas...

Looking for high levels of Chitin to help boost soil productivity? Then we have the crab shell for you! Made from 100% Blue Crab with no other addi...

N-Force is a liquid, plant based amino acid fertilizer that is approved for use in Organic Crop Production by CDFA and meets USDA National Organic ...

Obtain optimum eggshell quality with Coastal Brand Poultry Shell. This special blend features calcium carbonate to help grow healthy eggshells and ...

Down To Earth’s Oyster Shell is an all-natural and high-quality source of the essential plant nutrient calcium. Ancient oyster shells are carefully...

BIOMIN N is a natural, non-fish, and organic nitrogen fertilizer derived from hydrolyzed vegetable protein. It is water soluble and designed for so...

Beginning with our world-famous dried Crab and Lobster Shell, we grind everything down to a super-fine powder (through a process called micronizati...

Introducing Neptune’s Harvest “Tomato & Veg” formula. This is a perfect complete fertilizer for your tomatoes, vegetables and more. Made from f...

Introducing Neptune’s Harvest “Tomato & Veg” formula. This is a perfect complete fertilizer for your tomatoes, vegetables and more. Made from f...

Introducing Neptune’s Harvest "Rose & Flowering” formula. Rose & Flowering fertilizer is uniquely formulated for flowering plants to increa...

Introducing Neptune’s Harvest "Rose & Flowering” formula. Rose & Flowering fertilizer is uniquely formulated for flowering plants to increa...

BIOMIN N is a natural, non-fish, and organic nitrogen fertilizer derived from hydrolyzed vegetable protein. It is water soluble and designed for so...

Mikrobs is an organic microbial soil amendment/bioinoculant for plant and root growth stimulation that also encourages preventative resistance agai...

This high nitrogen fertilizer is derived from feather meal, meat meal, and blood meal. It contains 0.96% plant available nitrogen for green up in 7...

18 species of beneficial soil microbes together in one superpack! Includes endo and ectomycorrhizae (Glomus, Rhizopogon, Pisolithus and Scleroderma...

These worm castings are from Mountain Gate Organics out of Rockingham, VA and go through a multi-screening process to eliminate worm eggs without t...