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Amendments and Fertilizers
Custom Mixing
8193 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 |
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Amendments and Fertilizers
Raw Biochar
8348 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 |
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Amendments and Fertilizers
Soil Testing & Organic Fertilizer Recommendation Service
8194 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 |
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Amendments and Fertilizers
Superworm Frass
8351 (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 |
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Amendments and Fertilizers
Worm Castings
8350 (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
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Animal-based
Biogreaux Crab Shell 4-4-0 18% Ca
8304 (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 |
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Animal-based
Blood Meal
8280 (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 |
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Animal-based
Feather Meal
8286 (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 |
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Animal-based
Fish Hydrolysate
8289 (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 |
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Animal-based
Fish Hydrolysate with Kelp
8292 (2-5-1) Some stock remains with an NPK of 2-5-0.2. All the N, P & K of fish, along with the micro-nutrients and growth hormones of kelp. Produced... read more |
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Animal-based
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Animal-based
North Country Organics® Bone Char
8283 (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 |
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Animal-based
Poultry Manure Compost
8301 (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
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Mineral
20 Mule Team Borax Solubor® DF
8219 (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 |
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Mineral
Allganic Potassium Sulfate of Potash Water Soluble 0-0-52
8246 (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 |
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Mineral
Aragonite
8195 (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 |
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Mineral
Azomite®, Field Grade Natural Trace Minerals
8214 (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 |
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Mineral
Azomite®, Granulated Natural Trace Minerals
8213 (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 |
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Azomite®, Micronized Natural Trace Minerals For Soil
8216 (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 |
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Mineral
BrixBlend Basalt
8222 (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 |
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Mineral
Fertoz Organic Granulated Rock Phosphate Fertilizer
8250 (0-6-0, up to 25% total P, plus at least 30% Ca and 10% SiO2. Natural phosphorus source from mines in British Columbia, Montana, and Mexico. Apply... read more |
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Mineral
Granite Meal
8231 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 |
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Mineral
Gypsum, pelletized
8204 (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 |
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Mineral
Hum-Amend Max
8240 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 |
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Mineral
K-Mag Granular Trio 0-0-22
8237 (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 |
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Mineral
Micronutrients Liquid Manganese
8244 Manganese helps plants to synthesize chlorophyll and is used in electron transport during photosynthesis. Manganese availability may be limited by... read more |
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Mineral
Micronutrients Liquid Calcium
8241 Calcium helps strengthen plants’ cell walls, improving crop quality, disease resistance and storage capacity. Calcium uptake may be reduced by... read more |
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Mineral
Micronutrients Liquid Copper
8242 Copper is necessary for efficient photosynthesis and respiration and affects the sugar content and flavor of produce. Copper availability may be... read more |
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Mineral
Micronutrients Liquid Iron
8243 Iron is essential for chlorophyll development and function, and is also involved in nitrogen fixation by legumes. Iron availability may be limited... read more |
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Mineral
Micronutrients Liquid Zinc
8245 Zinc is a component of auxin, an essential growth hormone, and is also necessary for proper root development. Adequate zinc improves cold... read more |
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Mineral
Monterey Epsom Salts
8228 (9.8% water-soluble Mg, 12.9% S) Magnesium is a building block of chlorophyll and therefore essential to efficient photosynthesis. In... read more |
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Mineral
Phosphate, Tennessee Brown Rock
8252 (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 |
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Mineral
Pro Pelleted Calcitic Limestone
8198 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 |
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Mineral
Pro Pelleted Limestone, Dolomitic Limestone Pro-Select Prill
8201 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 |
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Mineral
Tiger Organic 90CR Sulfur
8249 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 |
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Mineral
Wollastonite
8207 (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 |
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Mineral
ZeoMax Garden Aid
8255 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
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Plant-based
Ahimsa Organics® Karanja Cake
8273 (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 |
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Plant-based
Ahimsa Organics® Neem Cake
8272 (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 |
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Plant-based
Alfalfa Meal - Organic
8260 (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 |
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Plant-based
Kelp Liquid Concentrate
8270 (NPK: 0-0-4) Maine-harvested Ascophyllum nodosum (AKA “rockweed,” “knotted wrack,” or “kelp”) is a source of growth-promoting and -regulating... read more |
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Plant-based
Kelp Meal - Organic
8263 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 |
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Plant-based
Kelp-It Soluble Powder Dehydrated Seaweed Extract
8266 NPK: 0-0-18. Highly concentrated extract makes an excellent foliar spray containing growth hormones, trace minerals, enzymes and carbohydrates. One ... read more |
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Liquid Kelp
8269 Maine-harvested kelp, Ascophyllum nodosum, is a source of growth-promoting and -regulating hormones. Use when starting seeds to improve seed... read more |
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Plant-based
Soybean Meal
8275 (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
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Planting Mix
3G Greener Garlic Grower
8317 (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 |
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Planting Mix
Ancients Rise Mix
8336 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 |
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Planting Mix
Blueberry Booster
8321 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 |
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Planting Mix
CannaDiesel Mix
8338 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 |
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Planting Mix
Fall Fruit Tree Prep Mix
8333 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 |
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Planting Mix
Fertrell® Feed•n•Grow
8339 (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 |
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Planting Mix
Fruition Mix
8330 A balanced fertilizer to keep your bearing fruit trees healthy and productive. Gypsum (to maintain optimum calcium levels to promote disease... read more |
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Planting Mix
Gungnir Asparagus Mix
8310 (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 |
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Planting Mix
Hole-Istic Spring Planting Mix
8324 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 |
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Planting Mix
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Planting Mix
Sleepytime Garden Blend
8307 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 |
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Tears of Joy Onion Kit
8318 All you need to grow a bountiful healthy crop of onions, whether you’re starting with onion sets or plants or growing your own seedlings.... read more |
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Planting Mix
True Love Rose & Ornamental Mix
8337 (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 |
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Planting Mix
Turbo-Tuber
8315 (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 |
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Planting Mix
Vegemighty
8309 (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 |