Showing 21–40 of 69 results

Amendments
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.
-
Kelp Meal (1-0.5-2)
$9.95Derived from Norwegian seaweed and infused with beneficial microbes.
-
Humic Acids (Granular)
$9.50Harvested from a huge deposit of decomposed plant life from millions of years ago.
-
Azomite (Granular)
$9.50Use for large blooms, strong plants and nutritionally dense greens and vegetables.
-
Azomite (0-0-0.2)
$29.95This natural re-mineralizer helps grow stronger plants and better tasting crops.
-
Earthworm Castings
$35.95100% Pure. You need only use a small amount around vegetables and flowers.
-
Elemental Sulfur
$24.95Lowers pH in alkaline soils and is used around acid loving plants such as azaleas.
-
Feather Meal (12-0-0)
$12.95Made from hydrolyzed and ground feathers collected from the poultry industry.
-
Fish Bone Meal (3-18-0)
$9.95An excellent source of slow release phosphorus and calcium, plus trace elements.
-
Fish Bone Meal (4-20-0)
$54.95This marine-based alternative is wonderful for all flowering plants, trees and shrubs.
-
Fish Meal (9-4.5-0)
$94.95Uniquely processed to retain maximum nutrition without using synthetic chemicals.
-
Fossil Shell Flour
$39.95Perma-Guard is a pure, food grade diatomaceous earth (fresh water type).
-
Garden Compost
$8.50Provides organic matter and natural nutrients for flowers and vegetables.
-
Garden Gypsum
$9.95While not a fertilizer, Gypsum can help increase the productivity of your plants.
-
Garden Lime
$6.95Safer to use than hydrated types, this pelletized dolomitic limestone is easy to apply.
-
Garden Manure (4-2-2)
$5.95Derived from poultry waste that's been dehydrated to provide higher NPK.
-
Glacial Rock Dust
$34.95Adds trace minerals to depleted gardens and improves plant health.
-
Greensand
$11.95Contains iron, magnesium, silica and as many as 30 other trace minerals.
-
Greensand (0-0-0.1)
$14.95Supplies potassium (K), an essential nutrient that promotes plant hardiness.
-
Greensand (0-0-0.2)
$52.95Contains slow-release potash and a large array of trace minerals. Sold in 44 lb bags.
-
Gypsum
$21.95Loosens heavy clay soils while adding calcium and sulfur in a readily available form.
-
Insect Frass (2-2-2)
A 100% vegan plant food made from the excrement and exoskeletons of insects.
-
Karanja Cake (44lb)
$104.95Rich in NPK and micro-nutrients, yet completely biodegradable — no residues!
-
Kelp Meal (1-0-2)
$104.95An excellent source of micronutrients and beneficial plant growth promoters.
-
Langbeinite/ K-Mag (0-0-22)
$11.50Use for plants that need a nutritional boost without a high NPK load.