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Nutrients & Supplements

Soil Amendments
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In Stock: 276
$214.32 / $17.86 per unit
(minimum purchase of 12)
Down to Earth Fish Bone Meal 4-12-0 | 1lb - OMRI Listed - (Case of 12)
In Stock: 144
$45.36 / $3.78 per unit
(minimum purchase of 12)
Coast of Maine Stonington Blend Organic Natural Grower's Mix | 1.5cu ft - OMRI Listed - (Case of 6)
In Stock: 760
$215.94 / $35.99 per unit
(minimum purchase of 6)
Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)
In Stock: 72
$67.62 / $11.27 per unit
(minimum purchase of 6)
Gaia Green Power Bloom, 500 g Pouch
In Stock: 2162
$10.34 $10.98 -6%
Big Foot Mycorrhizae Gold | 8oz
In Stock: 150
$394.80 / $65.80 per unit
(minimum purchase of 6)
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In Stock: 10
$133.65 / $44.55 per unit
(minimum purchase of 3)
Big Foot Mycorrhizae Concentrate | 32oz
In Stock: 33
$196.00 / $98.00 per unit
(minimum purchase of 2)
Xtreme Gardening Azos Root Booster | 6oz - (Case of 12)
In Stock: 154
$347.16 / $28.93 per unit
(minimum purchase of 12)
Down To Earth Fruit Tree 6-2-4 | 15lb - 3pk of 5lb
In Stock: 265
$31.85 $41.28 -23%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons - (Case of 4)
In Stock: 20
$196.24 / $49.06 per unit
(minimum purchase of 4)
Xtreme Gardening Mykos Natural Root Enhancer | 24pc - 100g - Pouch
In Stock: 67
$164.01 $177.40 -8%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 15 lbs
In Stock: 8
$302.89 $444.99 -32%
Roots Organics Terp Tea Microbe Charge | 3lb - (Case of 3)
In Stock: 5
$101.43 / $33.81 per unit
(minimum purchase of 3)
Armory Beneficial Bacteria Blend | 2oz - OMRI Listed
Out of stock
$30.49
SUPERthrive Bloom Plant Nutrients 3-12-6 | 8oz - (Case of 12)
In Stock: 9036
$97.32 / $8.11 per unit
(minimum purchase of 12)
True Organic Bone Meal 7-7-0 | 3lb - Resealable Bag - Spring & Fall Application - Covers up to 61sq ft. - OMRI Listed - (Case of 6)
In Stock: 1673
$39.36 / $6.56 per unit
(minimum purchase of 6)
Gaia Green Power Bloom, 10 kg
In Stock: 1081
$46.21 $57.19 -19%
Roots Organics HPK | 1gal - (Case of 4)
In Stock: 6
$221.04 / $55.26 per unit
(minimum purchase of 4)
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 16oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 1080
$148.32 / $12.36 per unit
(minimum purchase of 12)
Xtreme Gardening Azos Red Liquid | 200mL - (Case of 8)
In Stock: 40
$1,757.76 / $219.72 per unit
(minimum purchase of 8)
Grotek Gro-Silic, 250 ml
Out of stock
$2.56 $32.99 -92%
HDI Clonex Clone Solution | 20ml - (Case of 18)
In Stock: 1240
$28.44 / $1.58 per unit
(minimum purchase of 18)
Sustane 4-6-4 Flower & Vegetable Plant Food | 5lb - OMRI Listed - (Case of 8)
Out of stock
$80.80 / $10.10 per unit
(minimum purchase of 8)
Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)
In Stock: 228
$226.08 / $18.84 per unit
(minimum purchase of 12)
Xtreme Gardening Mykos | 20lb - (Case of 2)
In Stock: 32
$376.30 / $188.15 per unit
(minimum purchase of 2)
PRO-MIX BRK BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
Out of stock
$37.43 $48.98 -24%
Down to Earth Liquid Calcium 5% | 2.5gal - OMRI Listed - (Case of 2)
In Stock: 12
$125.60 / $62.80 per unit
(minimum purchase of 2)
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$465.72 / $38.81 per unit
(minimum purchase of 12)
Xtreme Gardening Calcar Foliar Booster | 6oz - (Case of 12)
In Stock: 24
$382.56 / $31.88 per unit
(minimum purchase of 12)
Down to Earth AZOMITE Slow Release Powder | 5lb - OMRI Listed - (Case of 6)
In Stock: 1050
$57.06 / $9.51 per unit
(minimum purchase of 6)
True Organic All-Purpose Plant Food 5-4-5 | 4.5lb - Shaker Jug - Covers up to 100sq ft - OMRI Listed - (Case of 6)
In Stock: 126
$49.44 / $8.24 per unit
(minimum purchase of 6)
Royal Gold Crown Jewels Grow 3-2-2 | 5lb - (Case of 8)
In Stock: 313
$164.00 / $20.50 per unit
(minimum purchase of 8)
Cutting Edge Solutions Mag-Amped, 270 gal Tote
Out of stock
$8,954.55 $11,323.99 -21%
Great White Premium Mycorrhizae, 4 oz
In Stock: 821
$37.82 $44.99 -16%
Emerald Harvest Root Wizard | 55gal (FL, MN, NC, OK)
Out of stock
$5,692.76 $5,971.43 -5%
Budswel, 1 gal (CA Only)
In Stock: 655
$44.46 $54.99 -19%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In Stock: 36
$165.28 / $41.32 per unit
(minimum purchase of 4)
Xtreme Gardening Mykos |60 - 100g Bags
In Stock: 103
$198.28 $225.98 -12%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 20 lbs
In Stock: 7
$183.26 $255.99 -28%
PureCrop 0.5 gal
In Stock: 4
$58.59 $72.50 -19%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In Stock: 236
$35.52 $49.99 -29%
Plant Success Great White Premium Mycorrhizae | 1oz
In Stock: 606
$13.42 $15.66 -14%
Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)
In Stock: 96
$83.94 / $13.99 per unit
(minimum purchase of 6)
Down To Earth Vegetable Garden 4-4-4 | 50lb - OMRI Listed
In Stock: 29
$45.82 $84.29 -46%
Down to Earth Fish Bone Meal 4-12-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1117
$72.96 / $12.16 per unit
(minimum purchase of 6)
Xtreme Gardening Azos Root Booster | 12oz - (Case of 6)
In Stock: 33
$287.16 / $47.86 per unit
(minimum purchase of 6)
Plant Success Orca | 32oz
In Stock: 87
$63.73 $74.39 -14%
Emerald Harvest Root Wizard | 55gal
Out of stock
$5,692.76 $5,971.43 -5%
Royal Gold Crown Jewels Grow 3-2-2 | 1000lb Tote - (Case of 2)
Out of stock
$6,714.02 / $3,357.01 per unit
(minimum purchase of 2)
Down to Earth Bat Guano 7-3-1 | 2lb - OMRI Listed - (Case of 6)
In Stock: 12
$72.96 / $12.16 per unit
(minimum purchase of 6)
DaKine 420 Atomic Root Powder | 100g - (Case of 20)
In Stock: 40
$129.00 / $6.45 per unit
(minimum purchase of 20)
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 2.2 lbs
In Stock: 259
$26.93 $39.99 -33%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed - (Case of 6)
In Stock: 36
$291.90 / $48.65 per unit
(minimum purchase of 6)
DaKine 420 Sticky Icky Enzymes | 10lb
Out of stock
$493.00 $698.99 -29%
True Organic Berry Food 5-4-4 | 4lb - Resealable Bag - Use Monthly - Covers up to 58sq ft - OMRI Listed - (Case of 6)
In Stock: 120
$59.88 / $9.98 per unit
(minimum purchase of 6)
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 10)
Out of stock
$92.50 / $9.25 per unit
(minimum purchase of 10)
Biomin Calcium | 2.5gal - OMRI Listed
In Stock: 2
$108.42 $111.71 -3%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In Stock: 202
$65.22
Down to Earth Fish Powder 12-1-1 | 1lb - (Case of 6)
Out of stock
$70.74 / $11.79 per unit
(minimum purchase of 6)
Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)
In Stock: 36
$229.20 / $19.10 per unit
(minimum purchase of 12)
Down to Earth Rock Phosphate 0-3-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 132
$70.50 / $11.75 per unit
(minimum purchase of 6)
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
Out of stock
$409.16 / $102.29 per unit
(minimum purchase of 4)
DaKine 420 Shock & Awe Bloom Booster | 2,000g - (Case of 4)
In Stock: 6
$154.76 / $38.69 per unit
(minimum purchase of 4)
True Organic Azalea, Camellia & Rhododendron Food 5-4-3 | 4lb - Resealable Bag - Spring & Fall Application - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In Stock: 78
$59.88 / $9.98 per unit
(minimum purchase of 6)
Sustane 8-2-4 All Natural Fertilizer | 50lb - OMRI Listed
In Stock: 248
$89.43
Emerald Harvest Cal-Mag, 270 gal
Out of stock
$7,062.00 $7,642.86 -8%
Royal Gold Imperial Boost 0-15-11 | 20lb - (Case of 2)
In Stock: 44
$166.12 / $83.06 per unit
(minimum purchase of 2)
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 5gal - Concentrate
Out of stock
$380.44 $414.99 -8%
Down to Earth Cottonseed Meal 6-2-1 | 5lb - All Purpose - (Case of 6)
In Stock: 474
$72.96 / $12.16 per unit
(minimum purchase of 6)
MYKE Vegetable & Herb Growth Enhancer | 0.9qt - OMRI Listed - (Pallet of 36)
In Stock: 144
$536.04 / $14.89 per unit
(minimum purchase of 36)
Royal Gold Crown Jewels Grow 3-2-2 | 20lb - (Case of 2)
In Stock: 68
$163.04 / $81.52 per unit
(minimum purchase of 2)
Vegamatrix Amp-It, 1qt
In Stock: 28
$1.39 $35.99 -96%
Growth Science Organics Root Magic, 1 qt
In Stock: 60
$3.66 $44.99 -92%
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1974
$80.28 / $13.38 per unit
(minimum purchase of 6)
Age Old Bloom, 32 oz
In Stock: 16
$13.86 $16.99 -18%
Big Foot Mycorrhizae Granular | 10lb
In Stock: 24
$195.70
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 2oz
In Stock: 61
$9.99
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 | 4lb - OMRI Listed - (Case of 12)
In Stock: 492
$145.56 / $12.13 per unit
(minimum purchase of 12)
Age Old Bloom, 55 gal
In Stock: 3
$1,504.69 $1,843.99 -18%
FoxFarm Cultivation Nation Flower, 1 lb
Out of stock
$9.04 $18.78 -52%
Plant Success Organics Granular 3-1-2 | 5lb - Granules
In Stock: 33
$92.54 $104.67 -12%
Roots Organics Terp Tea Microbe Charge | 9lb - (Case of 3)
In Stock: 4
$289.32 / $96.44 per unit
(minimum purchase of 3)
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 32oz
In Stock: 359
$86.16 / $7.18 per unit
(minimum purchase of 12)
Big Foot Mycorrhizae Granular | 2lb
In Stock: 138
$278.10 / $46.35 per unit
(minimum purchase of 6)
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In Stock: 155
$17.74 $19.99 -11%
DaKine 420 Shock & Awe Bloom Booster | 10,000g
Out of stock
$422.47 $598.99 -29%
South Cascade Organics SLF-100 | 2.5gal - OMRI Listed - (Case of 2)
In Stock: 12
$537.96 / $268.98 per unit
(minimum purchase of 2)
Gaia Green All Purpose, 500 g Pouch
In Stock: 853
$7.93 $9.89 -20%
Big Foot Mycorrhizae Granular | 50g (Cass of 30)
In Stock: 17
$209.70
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In Stock: 575
$38.56 $49.99 -23%
Down To Earth Palm Tree Mix 6-2-8 | 5lb - (Case of 6)
In Stock: 374
$107.94 / $17.99 per unit
(minimum purchase of 6)
Technaflora B.C. Grow, 4 L
In Stock: 25
$36.20 $47.99 -25%
Age Old Fish & Seaweed, 6 gal
In Stock: 2
$183.59 $224.99 -18%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In Stock: 60
$199.68 / $16.64 per unit
(minimum purchase of 12)
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In Stock: 72
$165.92 / $41.48 per unit
(minimum purchase of 4)
Aptus Bloomboost, 20 L
In Stock: 11
$3,115.20 $3,186.00 -2%
Down to Earth Seabird Guano 0-11-0 | 40lb - OMRI Listed
In Stock: 280
$92.58 $131.99 -30%
Emerald Harvest Bloom, 1 qt
In Stock: 78
$9.52 $14.00 -32%
Rock Fusion Grow Base Nutrient, 1 L
Out of stock
$5.86 $39.99 -85%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In Stock: 199
$37.54 $48.99 -23%
Down to Earth All-Purpose Mix 4-6-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 3799
$72.96 / $12.16 per unit
(minimum purchase of 6)
True Organic Herb & Leafy Greens Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 120
$59.88 / $9.98 per unit
(minimum purchase of 6)
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In Stock: 535
$15.21 $15.99 -5%
Royal Gold Crown Jewels Bloom 1-4-2 | 40lb
In Stock: 7
$113.55 $184.32 -38%
Xtreme Gardening Tea Brews | 14ct - (Case of 2)
Out of stock
$438.56 / $219.28 per unit
(minimum purchase of 2)
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In Stock: 335
$16.40 $19.99 -18%
Royal Gold Imperial Boost 0-15-11 | 5lb - (Case of 8)
In Stock: 245
$165.84 / $20.73 per unit
(minimum purchase of 8)
Age Old Kelp, 1 gal
In Stock: 4
$43.01 $48.99 -12%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
Out of stock
$3.70 $72.59 -95%
Key Grow Solutions Blue Butterfly 6-4-5 | 32oz - (Case of 14)
Out of stock
$235.76 / $16.84 per unit
(minimum purchase of 14)
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 8oz - The Silicon Solution - (Case of 12)
Out of stock
$97.92 / $8.16 per unit
(minimum purchase of 12)
Age Old Kelp, 6 gal
Out of stock
$183.59 $224.99 -18%
Grotek Monster Grow Pro, 20 g
Out of stock
$1.06 $7.48 -86%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal - (Case of 4)
Out of stock
$233.04 / $58.26 per unit
(minimum purchase of 4)
Grotek Heavy Bud Pro 1-0-3 | 1L - (Case of 6)
Out of stock
$170.88 / $28.48 per unit
(minimum purchase of 6)
SUPERthrive ZYME 100% Enzyme Cleaner | 8oz - (Case of 12)
In Stock: 804
$89.28 / $7.44 per unit
(minimum purchase of 12)
Big Foot Mycorrhizae Granular | 50lb
In Stock: 14
$652.50
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In Stock: 97
$36.60 $84.99 -57%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In Stock: 36
$199.68 / $16.64 per unit
(minimum purchase of 12)
Plant Success Great White Premium Mycorrhizae | 4oz
In Stock: 174
$38.65 $45.16 -14%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 10oz
In Stock: 109
$27.50
Emerald Harvest Root Wizard | 55gal (OR)
Out of stock
$5,692.76 $5,971.43 -5%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 30 gal
In Stock: 3
$103.52 $1,181.25 -91%
Age Old Bloom, 1 gal
In Stock: 30
$37.72 $48.99 -23%
Technaflora B.C. Boost, 4 L
In Stock: 144
$36.20 $52.99 -32%
South Cascade Organics SLF-100 | 32oz - OMRI Listed - (Case of 12)
In Stock: 240
$358.08 / $29.84 per unit
(minimum purchase of 12)
Budswel, 1 gal
In Stock: 378
$47.84 $54.99 -13%
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