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Nutrients & Supplements

Soil Amendments
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64
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 153
$40.16 $53.89 -25%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In Stock: 35
$40.15 $48.24 -17%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 849
$40.11 $48.02 -16%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In Stock: 24
$40.05 $49.49 -19%
Grotek Blossom Blaster, 130 g
In Stock: 2227
$40.05 $70.66 -43%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In Stock: 971
$39.99
Age Old Grow, 1 gal
In Stock: 45
$39.98 $48.99 -18%
Age Old Bloom, 1 gal
In Stock: 54
$39.98 $48.99 -18%
Age Old Kelp, 1 gal
In Stock: 27
$39.98 $48.99 -18%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In Stock: 245
$39.94 $49.99 -20%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In Stock: 73
$39.78 $46.24 -14%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 357
$39.56 $52.99 -25%
BioAg Ful-Power | 1 gal
In Stock: 116
$39.54 $52.99 -25%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In Stock: 80
$39.47 $46.24 -15%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In Stock: 26
$39.45 $253.84 -84%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In Stock: 40
$39.41 $48.78 -19%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In Stock: 104
$39.41 $48.78 -19%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$39.18 $51.79 -24%
Roots Organics Rain, 1 qt
In Stock: 161
$39.02 $52.15 -25%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In Stock: 20
$38.91 $48.49 -20%
Botanicare Silica Blast 0-0-0.5 - 1gal
In Stock: 103
$38.80 $57.52 -33%
Soul LBS, 3 lb
In Stock: 143
$38.69 $52.46 -26%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In Stock: 17
$38.50 $54.99 -30%
Grotek Monster Bloom, 500 g
In Stock: 2908
$38.23 $45.99 -17%
Grotek Monster Grow Pro, 500 g
In Stock: 621
$38.23 $45.99 -17%
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In Stock: 108
$37.64 $85.79 -56%
FoxFarm Grow Big Liquid Concentrate, 2.5 gal
Out of stock
$37.55 $241.57 -84%
FoxFarm Tiger Bloom Liquid Concentrate, 2.5 gal
In Stock: 1
$37.40 $241.61 -85%
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In Stock: 44
$37.22 $49.99 -26%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In Stock: 291
$37.22 $49.99 -26%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
In Stock: 36
$37.18 $39.00 -5%
Remo Grow, 4 L
In Stock: 3
$37.02 $49.99 -26%
Plant Success Orca | 16oz
In Stock: 51
$36.98 $44.11 -16%
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$36.88 $51.99 -29%
Grotek Insta-Green 3-0-0 | 4L - (Case of 4)
In Stock: 35
$36.84 $44.99 -18%
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In Stock: 97
$36.75 $54.45 -33%
Plant Success Great White Premium Mycorrhizae | 4oz
In Stock: 280
$36.72 $45.16 -19%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$36.54 $48.99 -25%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In Stock: 956
$36.52
Nectar for The Gods Olympus Up | 1gal - (Case of 4)
In Stock: 16
$36.43 $42.99 -15%
Roots Organics Uprising Bloom, 9 lbs
In Stock: 254
$36.35 $48.59 -25%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In Stock: 8
$36.24 $144.99 -75%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In Stock: 98
$36.24 $48.99 -26%
Technaflora B.C. Boost, 4 L
In Stock: 172
$36.20 $52.99 -32%
CYCO 5L Kleanse (2/CS) - (Case of 2)
In Stock: 2
$36.03 $50.04 -28%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 32oz - Concentrate
In Stock: 192
$35.99 $40.99 -12%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In Stock: 7
$35.93 $52.99 -32%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In Stock: 39
$35.90 $99.65 -64%
Big Foot Mycorrhizae Gold | 4oz
In Stock: 157
$35.72
Mad Farmer Oxygenator, 6 gal
In Stock: 213
$35.70 $209.99 -83%
Remo Micro, 4 L
Out of stock
$35.70 $52.99 -33%
Remo Magnifical, 4 L
In Stock: 1
$35.70 $52.99 -33%
HEAVY 16 Foliar, 32 oz
In Stock: 300
$35.69 $52.49 -32%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In Stock: 28
$35.59 $67.05 -47%
Grotek Pro-Silicate, 4 L
In Stock: 752
$35.51 $46.99 -24%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In Stock: 52
$35.41 $104.29 -66%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$35.24 $36.57 -4%
Cutting Edge Solutions Louder Powder Bloom B (0-25-24), 5 lb Bag
In Stock: 40
$35.22 $49.99 -30%
BioAG Cytoplus | 300g - (Case of 12)
In Stock: 12
$35.18 $43.07 -18%
BioAG VAM Endo-Mix | 300g - (Case of 12)
Out of stock
$35.18 $43.07 -18%
HDI Clonex Mist Root Promoter | 750ml - (Case of 6)
In Stock: 173
$35.18 $40.90 -14%
Grotek Bud Fuel Pro 1-3-4 | 4L - (Case of 4)
In Stock: 40
$35.07 $103.29 -66%
Biobizz Acti-Vera 1L
In Stock: 78
$35.07 $51.58 -32%
PRO-MIX BRK BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
Out of stock
$34.86 $37.04 -6%
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