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Nutrients & Supplements

Soil Amendments
South Cascade Organics SLF-100 | 32oz - OMRI Listed - (Case of 12)
In Stock: 240
$358.08 / $29.84 per unit
(minimum purchase of 12)
Age Old Grow, 1 gal
In Stock: 42
$39.98 $48.99 -18%
Down to Earth Kelp Meal 1-0.1-2 | 5lb - OMRI Listed
Out of stock
$63.06 / $10.51 per unit
(minimum purchase of 6)
Humboldt Nutrients Mayan Microzyme, 8 oz
Out of stock
$4.76 $34.99 -86%
Down to Earth Soluble Root Zone | 4oz - OMRI Listed - (Case of 12)
In Stock: 97
$126.12 / $10.51 per unit
(minimum purchase of 12)
Xtreme Gardening Azos Root Booster | 8lb
In Stock: 9
$349.87 $393.00 -11%
Dyna-Gro Foliage-Pro, 1 qt
In Stock: 934
$20.77 $26.49 -22%
FoxFarm Marine Cuisine Slow-Release Fertilizer 10-7-7 | 4lb - Bag - (Case of 8)
In Stock: 173
$167.04 / $20.88 per unit
(minimum purchase of 8)
HDI Clonex Rooting Gel | 15ml - Single-Use Packet - (Case of 18)
In Stock: 3060
$102.42 / $5.69 per unit
(minimum purchase of 18)
Age Old Grow, 2.5 gal
In Stock: 7
$85.15 $96.99 -12%
Age Old Grow, 32 oz
In Stock: 13
$13.86 $16.99 -18%
Gaia Green Basalt Rock Dust, 2 kg U.S. (NA02) Pouch
In Stock: 276
$13.32 $13.99 -5%
Plant Success Great White Premium Mycorrhizae | 32oz
In Stock: 65
$236.66 $276.29 -14%
Age Old Bloom, 6 gal
In Stock: 84
$183.59 $224.99 -18%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In Stock: 10
$18.74 $21.99 -15%
HDI Clonex Mist Root Promoter | 100mL - (Case of 20)
In Stock: 154
$203.20 / $10.16 per unit
(minimum purchase of 20)
SUPERthrive Grow Liquid Plant Food 7-9-5 | 32oz - (Case of 12)
In Stock: 236
$248.76 / $20.73 per unit
(minimum purchase of 12)
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 8oz - (Case of 12)
In Stock: 6274
$95.52 / $7.96 per unit
(minimum purchase of 12)
SUPERthrive, 1 pt
In Stock: 139
$41.02 $50.49 -19%
Key Grow Solutions Red Royal 2-0-7 | 32oz - (Case of 14)
Out of stock
$265.44 / $18.96 per unit
(minimum purchase of 14)
SUPERthrive Root-Gel Rooting Gel | 2oz - (Case of 12)
In Stock: 358
$140.16 / $11.68 per unit
(minimum purchase of 12)
FoxFarm Liquid Nutrient Trio Soil Formula Fertilizer | 3pk - 32oz each - (Case of 4)
In Stock: 80
$309.64 / $77.41 per unit
(minimum purchase of 4)
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In Stock: 237
$42.62 $59.99 -29%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In Stock: 53
$126.21 / $42.07 per unit
(minimum purchase of 3)
Plant Success Orca | 1gal
Out of stock
$216.02 $252.21 -14%
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In Stock: 108
$225.84 / $18.82 per unit
(minimum purchase of 12)
Age Old Grow, 2.5 gal (OR)
In Stock: 2
$19.79 $96.99 -80%
Remo's Supercharged Kit, 1L
In Stock: 157
$122.40 $179.99 -32%
True Organic Tomato & Vegetable Food 4-5-6 | 4lb - Resealable Bag - Use Monthly - Covers up to 70sq ft - OMRI Listed - (Case of 6)
In Stock: 78
$59.88 / $9.98 per unit
(minimum purchase of 6)
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 32oz
In Stock: 24
$232.80 / $19.40 per unit
(minimum purchase of 12)
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 1003
$41.60 $52.99 -21%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In Stock: 5
$88.00 / $17.60 per unit
(minimum purchase of 5)
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In Stock: 104
$165.92 / $41.48 per unit
(minimum purchase of 4)
Roots Organics Nitro Bat Guano | 3lb - (Case of 3)
Out of stock
$42.42 / $14.14 per unit
(minimum purchase of 3)
DaKine 420 Atomic Root Powder | 250g - (Case of 4)
Out of stock
$118.32 / $29.58 per unit
(minimum purchase of 4)
HDI Ionic Grow Plant Nutrient 3-1-5 | 32oz
In Stock: 84
$227.16 / $18.93 per unit
(minimum purchase of 12)
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 60
$80.28 / $13.38 per unit
(minimum purchase of 6)
Plant Success Organics Granular, 1 lb
In Stock: 5
$15.88 $20.99 -24%
Plant Success Great White Premium Mycorrhizae | 8oz
In Stock: 179
$69.52 $81.24 -14%
Emerald Harvest Kick Starter Kit 2-Part Base
In Stock: 1
$190.40 $220.00 -13%
Royal Gold Crown Jewels Grow 3-2-2 | 40lb
In Stock: 21
$156.69 $184.32 -15%
Age Old Grow, 6 gal
In Stock: 15
$183.59 $224.99 -18%
Down to Earth Neem Seed Meal 6-1-2 | 40lb - OMRI Listed
In Stock: 17
$69.44 $151.49 -54%
Key Grow Solutions Green Dragon 0-0-18 | 1gal - (Case of 4)
Out of stock
$313.24 / $78.31 per unit
(minimum purchase of 4)
HDI Ionic Bloom Plant Nutrient 3-2-6 | 32oz
In Stock: 117
$227.16 / $18.93 per unit
(minimum purchase of 12)
Xtreme Gardening Mykos | 50lb
In Stock: 99
$430.51 $490.64 -12%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In Stock: 130
$239.90 / $23.99 per unit
(minimum purchase of 10)
Down to Earth Bio-Live 5-4-2 | 50lb - OMRI Listed
In Stock: 411
$106.60 $142.99 -25%
Key Grow Solutions White Royal 4-10-5 | 32oz - (Case of 14)
Out of stock
$265.44 / $18.96 per unit
(minimum purchase of 14)
Plant Success Organics Soluble 0.5-0.1-7 | 5lb
In Stock: 18
$262.12 $296.51 -12%
Roots Organics Surge | 32oz
In Stock: 29
$20.55 $20.99 -2%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 16oz - Concentrate
In Stock: 330
$18.85 $20.99 -10%
FoxFarm Beastie Bloomz, 2 lbs
Out of stock
$15.31 $103.25 -85%
Neptune's Harvest Fish Fertilizer 2-4-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 672
$145.56 / $12.13 per unit
(minimum purchase of 12)
FoxFarm Grow Big Fertilizer 6-4-4 | 2.5gal - Concentrate - (Case of 2)
In Stock: 13
$430.48 / $215.24 per unit
(minimum purchase of 2)
Xtreme Gardening Azos Root Booster | 20lb
In Stock: 20
$776.19 $871.90 -11%
Technaflora B.C. Bloom, 1 L
In Stock: 18
$17.37 $23.99 -28%
Grotek Monster Grow Pro 18-36-1 | 20g
Out of stock
$6.76 $7.89 -14%
Big Foot Mycorrhizae Concentrate | 8oz
In Stock: 73
$166.80 / $27.80 per unit
(minimum purchase of 6)
DaKine 420 Shock & Awe Bloom Booster | 200g - (Case of 20)
In Stock: 40
$129.00 / $6.45 per unit
(minimum purchase of 20)
Royal Gold Crown Jewels Bloom 1-4-2 | 20lb - (Case of 2)
In Stock: 30
$118.16 / $59.08 per unit
(minimum purchase of 2)
Sustane 4-6-4 Flower & Vegetable Plant Food | 20lb - OMRI Listed
In Stock: 10
$22.07 $26.99 -18%
Biomin Boron | 2.5gal - OMRI Listed
In Stock: 1
$98.30 $101.28 -3%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
In Stock: 144
$225.60 / $18.80 per unit
(minimum purchase of 12)
FoxFarm Happy Frog Fruit & Flower 4-9-3 | 4lb - OMRI Listed
In Stock: 672
$145.56 / $12.13 per unit
(minimum purchase of 12)
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal - (Case of 4)
In Stock: 28
$167.76 / $41.94 per unit
(minimum purchase of 4)
SUPERthrive Pure Neem Oil Organic Leaf Polish | 55gal
Out of stock
$6,217.25 $8,871.38 -30%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 32oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 516
$283.56 / $23.63 per unit
(minimum purchase of 12)
Roots Organics Nitro Bat Guano, 3 lbs
In Stock: 926
$15.08 $18.34 -18%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In Stock: 39
$71.80 / $35.90 per unit
(minimum purchase of 2)
HDI MotherPlant Nutrients Part A | 2.5gal - (Case of 2)
In Stock: 24
$169.12 / $84.56 per unit
(minimum purchase of 2)
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 45
$262.68 / $21.89 per unit
(minimum purchase of 12)
Grotek Pro-Silicate, 1 L
In Stock: 54
$8.91 $15.71 -43%
Technaflora B.C. Bloom, 10 L
In Stock: 15
$69.53 $113.99 -39%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In Stock: 57
$163.76 / $40.94 per unit
(minimum purchase of 4)
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 32oz - (Case of 12)
In Stock: 71
$253.32 / $21.11 per unit
(minimum purchase of 12)
Roots Organics Buddha Bloom | 1gal - (Case of 4)
Out of stock
$231.36 / $57.84 per unit
(minimum purchase of 4)
Down To Earth Mini Cactus Mix 2-4-8 | 1lb - (Case of 12)
In Stock: 72
$59.88 / $4.99 per unit
(minimum purchase of 12)
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 96
$265.92 / $22.16 per unit
(minimum purchase of 12)
Big Foot Ecto-Mycorrhizae | 5lb
In Stock: 6
$149.99
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In Stock: 203
$43.64 $58.29 -25%
True Organic Rose & Flower Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 306
$59.88 / $9.98 per unit
(minimum purchase of 6)
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 16oz - Raises the pH in Nutrient Solution
In Stock: 144
$140.64 / $11.72 per unit
(minimum purchase of 12)
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In Stock: 449
$17.22 $21.99 -22%
Cutting Edge Solutions Sour-Dee, 270 gal Tote
In Stock: 1
$7,765.23 $10,599.99 -27%
Emerald Harvest Root Wizard, 55 gal (FL, MN, NC, OK)
Out of stock
$5,517.60 $5,971.43 -8%
House & Garden Bud-XL, 200 L
In Stock: 6
$5,140.80 $7,560.00 -32%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In Stock: 208
$39.09 $39.35 -1%
DaKine 420 Atomic Root Powder | 5,000g
Out of stock
$464.79 $658.99 -29%
Cutting Edge Solutions Sugaree, 270 gal Tote
Out of stock
$7,764.80 $10,599.99 -27%
House & Garden Aqua Flakes B, 1000 L
In Stock: 4
$3,748.50 $5,512.50 -32%
HDI Clonex Rooting Gel | 16oz - (Case of 6)
In Stock: 258
$440.10 / $73.35 per unit
(minimum purchase of 6)
HDI MotherPlant Nutrients Part B | 32oz
In Stock: 90
$193.44 / $16.12 per unit
(minimum purchase of 12)
Technaflora B.C. Grow, 1 L
In Stock: 74
$17.37 $23.99 -28%
Soul Sensei Micro, 1 gal
In Stock: 144
$6.28 $46.19 -86%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In Stock: 763
$38.56 $49.99 -23%
Big Foot Mycorrhizae Gold | 32oz
In Stock: 81
$206.80
Key Grow Solutions Silver Rabbit 7-20-4 | 32oz - (Case of 14)
Out of stock
$353.78 / $25.27 per unit
(minimum purchase of 14)
Emerald Harvest Root Wizard, 55 gal
Out of stock
$5,517.60 $5,971.43 -8%
Sustane 8-2-4 Lawn & Landscape Plant Food | 20lb - OMRI Listed
In Stock: 74
$31.59 $35.49 -11%
Roots Organics Terp Tea Bloom, 3 lb
In Stock: 1817
$13.95 $20.51 -32%
MICROBE Life Hydroponics Photosynthesis Plus | 32oz - (Case of 12)
In Stock: 72
$312.84 / $26.07 per unit
(minimum purchase of 12)
Roots Organics Bio Force, 1 lb
In Stock: 26
$50.23 $57.22 -12%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 8oz - (Case of 12)
In Stock: 344
$186.48 / $15.54 per unit
(minimum purchase of 12)
Down to Earth Granular Root Zone | 8oz - OMRI Listed - (Case of 12)
In Stock: 156
$357.72 / $29.81 per unit
(minimum purchase of 12)
Down to Earth Langbeinite 0-0-22 | 1lb - OMRI Listed - (Case of 6)
In Stock: 102
$40.08 / $6.68 per unit
(minimum purchase of 6)
Biomin Copper | 2.5gal - OMRI Listed
Out of stock
$113.03 $116.46 -3%
Technaflora B.C. Bloom, 4 L
In Stock: 46
$32.91 $47.99 -31%
Emerald Harvest Root Wizard, 55 gal (OR)
Out of stock
$5,517.60 $5,971.43 -8%
Emerald Harvest Root Wizard, 15 gal (OR)
Out of stock
$1,518.00 $1,642.86 -8%
Aptus MINERAL-CALMAG, 1 L
In Stock: 123
$20.11 $29.00 -31%
True Organic Tomato & Vegetable Food 4-5-6 | 8lb - Resealable Bag - Use Monthly - Covers up to 140sq ft - OMRI Listed - (Case of 4)
In Stock: 89
$51.12 / $12.78 per unit
(minimum purchase of 4)
Biobizz Bio-Bloom | 1 L
In Stock: 186
$19.30 $25.80 -25%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In Stock: 796
$36.07 $50.33 -28%
Down to Earth Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$79.08 / $13.18 per unit
(minimum purchase of 6)
Plant Success Great White Premium Mycorrhizae | 5lb
In Stock: 57
$478.92 $559.52 -14%
Age Old Bloom, 2.5 gal
In Stock: 12
$75.65 $96.99 -22%
Primordial Solutions Rootamentary, 16 oz
Out of stock
$3.41 $45.99 -93%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz
In Stock: 80
$227.16 / $18.93 per unit
(minimum purchase of 12)
Gaia Green Power Bloom, 2 kg Pouch
In Stock: 2051
$26.97 $28.59 -6%
SUPERthrive K-L-N Rooting Concentrate | 32oz - (Case of 12)
In Stock: 35
$360.84 / $30.07 per unit
(minimum purchase of 12)
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In Stock: 20
$170.96 / $42.74 per unit
(minimum purchase of 4)
FOOP Garden Organic Plant Fertilizer | 32oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$275.04 / $22.92 per unit
(minimum purchase of 12)
Down to Earth Citrus Mix 6-3-3 | 50lb - OMRI Listed
In Stock: 95
$75.11 $97.99 -23%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 1gal - (Case of 4)
In Stock: 68
$250.84 / $62.71 per unit
(minimum purchase of 4)
Technaflora Awesome Blossoms, 1 L
In Stock: 44
$32.25 $47.99 -33%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)
In Stock: 2460
$240.60 / $20.05 per unit
(minimum purchase of 12)
Down to Earth Agmino Powder 14-0-0 | 1lb - (Case of 6)
In Stock: 48
$55.32 / $9.22 per unit
(minimum purchase of 6)
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