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Need to improve your soil’s drainage and density or adjust its acid-alkaline balance? Need to provide your roses, azaleas or tomatoes specific minerals or other nutrients? Whether you’re improving your soil from scratch or adding just the right nutrients to encourage blooming, we have the organic soil amendments your growing requires.
Need advice? Our Soils Blog provides the ideas, information and practical experience you need to get the job done right.
Use for large blooms, strong plants and nutritionally dense greens and vegetables.
Harvested from a huge deposit of decomposed plant life from millions of years ago.
Derived from Norwegian seaweed and infused with beneficial microbes.
This natural re-mineralizer helps grow stronger plants and better tasting crops.
Neem cake is what remains after the seeds have been processed for oil.
Stimulates microbial activity and is excellent for boosting root systems and root crops.
No fishy odor! Slow-release nutrients grow stronger, more nutritious vegetables.
Contains NO sewage sludge or bio-solids that are often found in commercial brands.
This crushed mix ensures rapid and long-term release of calcium for stronger plants.
Contains up to 39% calcium (Ca), plus many other important plant nutrients.
Screened for uniformity, this sterile medium is prized for its outstanding characteristics.
Super coarse-grade contains lots of nooks and crannies for water and air space.
Perfect for starting seeds, rooting cuttings or adding to any growing medium.
The exact same product as Foxfarm’s Big & Chunky perlite — only cheaper!
Formed from molten lava, pumice will improve aeration and drainage for plant roots.
Once applied, rock phosphate will remain until used by plants – NO leaching!
A long-lasting source of phosphorous — ideal for flowering trees and shrubs!
Includes over 300 illustrations and at-a-glance charts to ensure a bountiful harvest.
A natural source of calcium (12.0%), nitrogen (4.0%) and many trace minerals.
Savvy growers know redworm castings to be rich in nutrients and beneficial microbes.
Ground shells from Pacific Northwest crustaceans offer an excellent source of chitin.
Use silica (Si) to build extra strong roots, stems and foliage. Made in Montana.
These super absorbent “crystals” trap moisture that would normally be lost.
A high-nutrient lift that’s derived from organically grown, GMO-free soybeans.