Amendments and Fertilizers
If you’re tired of ineffectively mixing fertilizers or potting soil ingredients together in a wheelbarrow or tractor bucket, let us do the dirty... read more
Amendments and Fertilizers
Join the carbon-farming revolution. Biochar is the product of heating organic matter in a low-oxygen environment: instead of releasing the carbon... read more
Amendments and Fertilizers
Don’t guess—test! Applying fertilizers and soil amendments without the guidance of a professional soil test is like driving downtown with your... read more
Amendments and Fertilizers
(2-2-2), 16% Chitin. As if “darkling beetle” didn’t already sound like the nightmare invention of a fantasy novelist, the manufacturers of this... read more
Amendments and Fertilizers
(0.5-0.5-0.3 avg. and trace minerals) Research at Ohio State University indicates that adding 10–20% worm castings by volume to potting mixes... read more
Animal-based
Animal-based
(Approximately 4-4-0, approximately 18% Ca). A nutrient-rich byproduct of crab processing facilities. As well as being an excellent source of... read more
Animal-based
(13-0-0) One of the fastest release times of all organic nitrogen sources. Highly recommended for corn. The smell (understandably) freaks out
... read more
Animal-based
(Approx. 13-0-0) Provides a strong and quick release of nitrogen, about as fast as Blood Meal.
Apply in the row at planting time for sweet corn,
... read more
Animal-based
(2-5-1). Some stock remains with an NPK of 2-5-0.2. Fish heads, bones, skin and guts finely ground and then enzymatically digested. Produced using... read more
Animal-based
Animal-based
Animal-based
(0-16-0, 32% P2O5, approx. 30% Ca) Burned bone meal provides large amounts of readily available phosphorus. The most economical source of P for
... read more
Animal-based
(5-4-3 with 9% Ca) From Kreher Enterprises. Composted, pasteurized and processed poultry litter from New York farms provides a good balance of... read more
Minerals
Mineral
(Sodium Tetraborate, 20.5% B) Soluble borate for fluid fertilizers and nutrient sprays. Boron is essential for all stages of tree growth and fruit... read more
Mineral
(0-0-52) The most economical source of available potassium. Moderate to fast-release. If your soil has sufficient magnesium, this is the potassium... read more
Mineral
(33% CaCO3) When the price of aragonite spiked a few years ago, we tried to steer growers toward the chemically identical Calcitic Limestone, but... read more
Mineral
(0-0-0.2, 1.8% Ca) Named for its A-to-Z of Minerals including Trace Elements; contains over 67 minerals beneficial to plants and animals.
A mix of
... read more
Mineral
(0-0-0.2, 5% Ca) Named for its A-to-Z of Minerals including Trace Elements; contains over 67 minerals beneficial to plants and animals.
A mix of
... read more
(0-0-0.2, 5% Ca) Named for its A-to-Z of Minerals including Trace Elements; contains over 67 minerals beneficial to plants and animals, including... read more
Mineral
(49.3% SiO2, 13.3% Al2O3, 9.2% CaO, 5.7% MgO, plus trace minerals) A paramagnetic stone powder from the Pioneer Valley of Massachusetts for... read more
Mineral
(0-7-0, 20% total Phosphate, plus at least 30% Ca and 10% SiO2. Natural phosphorus source from mines in British Columbia, Montana, and Mexico.... read more
Mineral
Contains about 5% potassium in very slow-release form. Plants need potassium for sugar and starch production. Granite meal can be added to the... read more
Mineral
(Calcium Sulfate CaSO4•2H2O, 21% Ca, 16% S) Gypsum is a good source of calcium when the pH is already at a desired level. The sulfur in gypsum... read more
Mineral
Max out your soil health! This is a powerful soil restoration amendment designed to raise your soil’s cation exchange capacity while adding high... read more
Mineral
(10.8% Mg, 22% S) Langbeinite is a marine deposit of potassium sulfate and magnesium sulfate in soluble form. A good source of immediate potassium... read more
Mineral
Manganese helps plants to synthesize chlorophyll and is used in electron transport during photosynthesis. Manganese availability may be limited by... read more
Mineral
Calcium helps strengthen plants’ cell walls, improving crop quality, disease resistance and storage capacity. Calcium uptake may be reduced by... read more
Mineral
Copper is necessary for efficient photosynthesis and respiration and affects the sugar content and flavor of produce. Copper availability may be... read more
Mineral
Iron is essential for chlorophyll development and function, and is also involved in nitrogen fixation by legumes. Iron availability may be limited... read more
Mineral
Zinc is a component of auxin, an essential growth hormone, and is also necessary for proper root development. Adequate zinc improves cold... read more
Mineral
(9.8% water-soluble Mg, 12.9% S) Magnesium is a building block of chlorophyll and therefore essential to efficient photosynthesis. In... read more
Mineral
(0-3-0, 21-25% total P2O5) 40% CaO. The consistency of rich soil. Comes from the washing piles left behind when high-grade ore was extracted to... read more
Mineral
Pro-Select Prill (87% CaCO3, 7% MgCO3). Cal Carb Equivalent 95.8%. The most common and most frequently used soil conditioner. Calcitic is the... read more
Mineral
Pelleted Dolomitic Limestone (57.7% CaCO3, 33% MgCO3). Cal Carb Equivalent 96.9%. The least expensive liming agent. Use to sweeten soil (raise pH)... read more
Mineral
Agricultural Sulfur. 90% elemental sulfur, 10% bentonite clay. Use to lower soil pH (make it more acidic). Often helpful for both lowbush and... read more
Mineral
(48% CaO and 52% SiO2). Cal Carb Equivalent 76.0%. Soluble-grade and at least 95% pure (may contain trace amounts of iron, manganese and... read more
Mineral
Zeolites are aluminosilicate lattices, derived from volcanic ash, that hold up to 55% of their weight in water in the small cavities of their... read more
Plant-based
Plant-based
(4.6-0.9-1.3 avg) We’ve lost count of how many hemp and cannabis growers have asked us about carrying karanja cake. Your wish is our command! Made... read more
Plant-based
(6-1-3 avg) Pure full-strength neem cake—the residue of neem seed kernels after the oil has been pressed. Rich in the basic nutrients, nitrogen,... read more
Plant-based
(2.8-0.5-3.6 avg.) Popular among veganic gardeners, and hands-down the best-smelling fertilizer out there. Excellent alternative to blood meal as... read more
Plant-based
Plants and beneficial microbes have a sweet tooth, too! In addition to its sugar content, molasses is a source of important nutrients, including... read more
Plant-based
(NPK: 0-0-4) New formula is twice as concentrated as the liquid kelp we carried for years: higher price, but you need only half as much!... read more
Plant-based
Kelp Meal for feeding to livestock or amending soil.
Livestock: Kelp is an excellent source of iodine and vitamin A and provides lower
... read more
Plant-based
NPK: 0-0-18. Highly concentrated extract makes an excellent foliar spray containing growth hormones, trace minerals, enzymes and carbohydrates.
One
... read more
Plant-based
(7-1.5-1 avg.) High levels of nitrogen and potassium are released as the soybean meal breaks down, providing fertility over time. Add when first... read more
Planting Mixes
Planting Mix
(approx. 3-3.5-3.5, plus sulfur) By popular demand, we designed a special Fedco mix to meet the nutrient requirements of garlic. 3G is about the... read more
Planting Mix
Just as 5G ushered in a new telecom era, our 5G kit will revolutionize your garden’s garlic game. You’ll be effortlessly broadcasting and... read more
Planting Mix
Whether they be abandoned heirlooms or wild seedlings, tucked in the woods or growing alongside an old road, apple trees live on for hundreds of... read more
Planting Mix
A blend of Granite Meal, K-Mag, sulfur, Tennessee brown rock, Penobscot Blend Compost & Peat, and Azomite. Brings down the soil pH and provides... read more
Planting Mix
A high-octane well-balanced blend to fuel your grow! This fertilizer and amendment mix includes all the goodies contained in our well-loved ... read more
Planting Mix
To prepare your land in fall or winter for spring fruit-tree planting, use this mix. Without digging a hole, spread one bag on an area 4–6' in... read more
Planting Mix
(3-2-3) Slow-release plant food made with blood meal, bone meal, feather meal, peanut meal, alfalfa meal, aragonite, sulfate of potash, greensand... read more
Planting Mix
Planting Mix
(2-5-7) Named for the legendary dwarf-fashioned spear wielded by the Norse god Odin, our new house mix will help you grow mighty spears of... read more
Planting Mix
Recommended for fruit trees at planting time. Formerly known as Fruit Tree Planting Mix. Our own well-balanced blend of Tennessee brown phosphate,... read more
Planting Mix
Planting Mix
The last of the root vegetables have been tucked into the cellar, and the soil microbes snooze contentedly under a blanket of young winter rye.... read more
Planting Mix
(2.5-6-3) Show your flowers you appreciate them by treating them to dinner now and then. This mix is formulated to feed both soil and plant to... read more
Planting Mix
(Approx. 7-2-9, plus 2% Ca and 3.5% S) Magic Molly, our potato superhero, is the fastest girl in town: her jacked-up hybrid hatchback runs on our... read more
Planting Mix
(3.4-2.2-3.5) An excellent all-purpose fertilizer for those who prefer to avoid animal products. Great for flower bulbs because it won’t attract... read more