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Use discount code SNOW10 and receive 10% off your order! 📦​​​​​​​​​​​​​ ❄️
Use discount code SNOW10 and receive 10% off your order! 📦​​​​​​​​​​​​​ ❄️

Lime & Calcium

Biological and mineral calcium sources for pre-plant and top/side dress Ca needs. Calcium is critical for key plant functions including the formation of cell walls and membranes. Calcium is also important in adjusting soil pH to ensure nutrient availability.
Original price $12.95 - Original price $12.95
Original price
$12.95
$12.95 - $12.95
Current price $12.95

NutraSoft OP Gypsum - 40lb Bag

NutraSoft OP Gypsum is a granulated gypsum soil amendment for lawns and gardens, with an analysis of 21% calcium and 16% sulfur. Gypsum adds calciu...

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Original price $12.95 - Original price $12.95
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$12.95
$12.95 - $12.95
Current price $12.95
Original price $29.90 - Original price $29.90
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$29.90
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Current price $29.90

Black Gypsum DG - 50lb Bag

Black Gypsum DG granules (SGN 240) are homogenous and combine natural gypsum and humic substances to form a unique bio-amendment. DG Technology cre...

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Original price $29.90 - Original price $29.90
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$29.90
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Current price $29.90
Original price $12.75 - Original price $12.75
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$12.75
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Current price $12.75

Diamond K Premium 97 Solution Grade Gypsum - 50 lb Bag

An extremely pure, solution-grade calcium sulfate. Diamond K Premium 97 gypsum improves soil structure, crop quality and yields when used according...

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Original price $12.75 - Original price $12.75
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$12.75
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Current price $12.75
Original price $25.90 - Original price $25.90
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$25.90
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Current price $25.90

Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb Bag

Wollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled...

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Original price $25.90 - Original price $25.90
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$25.90
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Current price $25.90
Sold out
Original price $73.45
Original price $73.45 - Original price $73.45
Original price $73.45
Current price $53.50
$53.50 - $53.50
Current price $53.50

ProCal (3-0-0) plus 20% Ca - 8 lbs

Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. For use as a foliar or...

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Original price $73.45
Original price $73.45 - Original price $73.45
Original price $73.45
Current price $53.50
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Current price $53.50
Sale Sale
Original price $359.00
Original price $359.00 - Original price $359.00
Original price $359.00
Current price $249.99
$249.99 - $249.99
Current price $249.99

ProCal (3-0-0) plus 20% Ca - 44 lbs

Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. For use as a foliar or...

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Original price $359.00
Original price $359.00 - Original price $359.00
Original price $359.00
Current price $249.99
$249.99 - $249.99
Current price $249.99
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Original price $10.95 - Original price $10.95
Original price
$10.95
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Current price $10.95

Hi-Cal Lime Powder - 50 lb Bag

High quality 100% pulverized limestone is high in calcium and very low in magnesium content. Elemental calcium is 38%. Calcium carbonate equivalent...

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$10.95
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Current price $10.95
Original price $11.75 - Original price $11.75
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$11.75
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Current price $11.75

Dolomitic Lime Pro-Select Prill - 50 lb Bag

Dolomitic Lime Pelletized (50 lb) is a pelletized limestone high in Calcium (Ca) and Magnesium (Mg). Best to use when soil tests show a need for ma...

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Original price $11.75 - Original price $11.75
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Current price $11.75
Original price $11.75 - Original price $11.75
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Current price $11.75

Hi-Cal Lime Pro Pelletized Pro Select Prills - 50 lb Bag

Hi-Cal Lime Pelletized (87% Calcium Carbonate) is high in calcium and low in magnesium. Elemental calcium is 34.83% min. Calcium carbonate equivale...

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Original price $11.75 - Original price $11.75
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$11.75
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Current price $11.75
Original price $40.10
Original price $40.10 - Original price $40.10
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Current price $35.99
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Current price $35.99

Cal-Mag Amplified (2-0-0) - 1 Gal

2% N, 3.5% Ca, 1% Mg, 0.1% Fe. Provides supplemental Calcium and Magnesium. Especially popular with container gardeners. Mix 5 ml per gallon of wat...

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Original price $40.10
Original price $40.10 - Original price $40.10
Original price $40.10
Current price $35.99
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Current price $35.99
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Original price $25.80 - Original price $25.80
Original price
$25.80
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Current price $25.80

Biomin® Liquid Calcium 5% - 1 Gallon

Biomin Liquid Calcium is an amino acid chelated fertilizer containing 5% calcium derived from calcium carbonate (limestone). It is completely bioav...

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Original price $25.80 - Original price $25.80
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Current price $25.80
Original price $84.50 - Original price $84.50
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$84.50
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Current price $84.50

BioLink® Cal Plus Liquid 6% - 2.5 Gallon

BioLink Cal Plus Liquid 6% is a liquid calcium fertilizer complexed with an organic acid, making it immediately available to plants. Use as a folia...

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Original price $84.50 - Original price $84.50
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$84.50
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Current price $84.50
Original price $15.85 - Original price $15.85
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$15.85
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Current price $15.85

Aragonite Raw (0-0-0-Ca 38%) - 50 lb Bag

Aragonite Raw (0-0-0-38 Ca) - A feed-grade calcium carbonate from a marine source that is high in calcium, low in magnesium, and contains trace mic...

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Original price $15.85 - Original price $15.85
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$15.85
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Current price $15.85
Original price $419.50 - Original price $419.50
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$419.50
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Current price $419.50

Oyster Shell Flour - 1 Ton Tote

Oyster shell provides a long-lasting, steady release of calcium to help regulate pH levels, improve fertilizer uptake, promote healthy cellular str...

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Original price $419.50 - Original price $419.50
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$419.50
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Current price $419.50
Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50

DTE Crab Meal (4-3-0) - 5 lb

A byproduct of the West Coast crab harvest, Down To Earth’s Crab Meal 4-3-0 is a wonderful source of plant nutrients for vegetable gardens, flower ...

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Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50
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Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50

DTE Solution Grade Calcium 96 - 5 lb

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

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Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50
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Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50

DTE Solution Grade Gypsum - 5 lb

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...

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Original price $14.75
Original price $14.75 - Original price $14.75
Original price $14.75
Current price $11.50
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Current price $11.50
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Original price $9.10
Original price $9.10 - Original price $9.10
Original price $9.10
Current price $7.50
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Current price $7.50

DTE Oyster Shell - 5 lb

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...

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Original price $9.10
Original price $9.10 - Original price $9.10
Original price $9.10
Current price $7.50
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Current price $7.50
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Original price $1,375.00 - Original price $1,375.00
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Current price $1,375.00

Crab Meal 4-4-0 plus 18% Ca - 1 ton tote

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...

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Original price $1,375.00 - Original price $1,375.00
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Current price $1,375.00
Original price $450.00 - Original price $450.00
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$450.00
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Current price $450.00

NutraSoft OP Gypsum 2000 lb Tote

64% Calcium Sulfate, 22% Ca, 12% S. Supplemental Calcium for when soil pH does not need adjusted. Apply according to soil test - 2000 lbs contains ...

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Original price $450.00 - Original price $450.00
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$450.00
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Current price $450.00
Original price $32.95 - Original price $32.95
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$32.95
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Current price $32.95

MilAgro Keylamax Calcium (5-0-0) - 2 lb Bag

Foliar powder fertilizer derived from a calcium amino acid chelate. 5% N, 20% Ca. Increases the weight, resistance and firmness of the fruits. Stre...

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Original price $32.95 - Original price $32.95
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$32.95
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Current price $32.95
Original price $40.25 - Original price $40.25
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$40.25
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Current price $40.25

Crab Meal 4-4-0 plus 18% Ca - 40 lb Bag

By providing existing soil microbes with food and energy, crab meal naturally and safely improves soil health by enhancing the beneficial microbial...

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Original price $40.25 - Original price $40.25
Original price
$40.25
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Current price $40.25