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Nutrients & Supplements

Soil Amendments
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128
Mr. B's Green Trees Azospirillum Super Concentrate, 1 lb
In stock
$48.02 $69.60 -31%
House & Garden Algen Extract, 500 ml
In stock
$47.97 $63.19 -24%
Save 13%
Budswel, 1 gal
In stock
$47.84 $54.99 -13%
House & Garden Drip Clean, 1 L
In stock
$47.82 $63.00 -24%
Biobizz Top-Max, 1 L
In stock
$47.80 $62.99 -24%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons
In stock
$47.75 $62.99 -24%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal
In stock
$47.75 $63.99 -25%
CYCO Platinum Series Silica 0-0-3 - 5L
In stock
$47.71 $69.89 -32%
Save 17%
Big Time Enzyme, 1 gal
In stock
$47.47 $56.99 -17%
Roots Organics Ancient Amber, 1 gal
In stock
$47.35 $62.36 -24%
Save 14%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb
In stock
$47.19 $54.99 -14%
Xtreme Azos Beneficial Bacteria, 12 oz (340 g)
In stock
$47.18 $62.99 -25%
HEAVY 16 Fire, 16 oz
In stock
$47.09 $68.24 -31%
HEAVY 16 Fire, 16 oz (OR Only)
In stock
$47.09 $68.24 -31%
HEAVY 16 Roots, 16 oz
In stock
$47.09 $68.24 -31%
General Hydroponics Diamond Nectar 0-1-1 - 1gal
In stock
$47.02 $68.90 -32%
Save 18%
Gaia Green Power Bloom, 10 kg
In stock
$46.89 $57.19 -18%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In stock
$46.58 $60.99 -24%
Save 17%
Gaia Green Worm Castings, 30L
In stock
$46.33 $55.99 -17%
Technaflora Thrive Alive B1 Red, 1 L
In stock
$46.30 $59.99 -23%
Save 14%
Roots Organics HP2 | 1gal
In stock
$46.04 $53.58 -14%
FoxFarm Cha Ching, 1 lb
In stock
$45.94 $59.35 -23%
Save 17%
Snow Storm Ultra, 1 qt
In stock
$45.85 $54.99 -17%
Grotek Solo-Tek Grow 6-3-7 | 4L
In stock
$45.68 $83.69 -45%
Grotek Solo-Tek Bloom 3-8-8 | 4L
In stock
$45.68 $83.69 -45%
Save 12%
Grotek Gro-Silic, 500 ml
In stock
$45.63 $51.99 -12%
CYCO 5L Uptake (2/CS)
In stock
$45.55 $66.11 -31%
CYCO 5L Potash Plus (2/CS)
In stock
$45.55 $67.05 -32%
Remo Grow, 10 L
In stock
$45.54 $99.00 -54%
BioAG Ful-Humix | 2.2lb - OMRI Listed
Out of stock
$45.51 $60.20 -24%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In stock
$45.24 $66.22 -32%
Mother Earth LiquiCraft Bloom 2-4-4 - 1gal
In stock
$45.24 $66.22 -32%
Save 18%
Budswel, 1 gal (CA Only)
In stock
$45.11 $54.99 -18%
FoxFarm Beastie Bloomz, 1 lb
In stock
$44.85 $59.35 -24%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed
In stock
$44.82 $55.99 -20%
Down to Earth Granular Root Growth Enhancer | 5lb - OMRI Listed
In stock
$44.79 $136.99 -67%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In stock
$44.74 $64.99 -31%
Grotek Insta-Green 3-0-0 | 10L
In stock
$44.64 $81.79 -45%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In stock
$44.52 $69.99 -36%
Biomin Copper | 2.5gal - OMRI Listed
In stock
$44.44 $98.30 -55%
Save 16%
Xtreme Gardening Tea Brews | 10ct
In stock
$44.34 $52.91 -16%
Gaia Mania, 1 gal
In stock
$44.27 $58.49 -24%
House & Garden Commercial CalMag, 5 lbs Pouch
In stock
$44.16 $55.00 -20%
Save 13%
SUPERthrive, 1 pt
In stock
$44.14 $50.49 -13%
Save 2%
Suståne 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In stock
$44.06 $44.75 -2%
Save 12%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$43.90 $49.99 -12%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In stock
$43.83 $55.99 -22%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed
In stock
$43.80 $56.99 -23%
Save 12%
FOOP CANNA Bloom 1 Organic Nutrients 0-0-1 | 1gal - CDFA and OMRI Listed
Out of stock
$43.78 $49.99 -12%
Save 12%
FOOP CANNA Bloom 2 Organic Nutrients 2-3-0 | 1gal - CDFA and OMRI Listed
Out of stock
$43.78 $49.99 -12%
Save 17%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In stock
$43.75 $52.99 -17%
Save 17%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In stock
$43.72 $52.99 -17%
FoxFarm Cultivation Nation™ Micro, 1 gal
In stock
$43.39 $54.85 -21%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution
Out of stock
$43.37 $66.30 -35%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In stock
$43.37 $69.99 -38%
Save 18%
Soul LBS, 3 lb
In stock
$43.19 $52.46 -18%
Botanicare Cal-Mag Plus 2-0-0 - 1gal
In stock
$43.04 $62.90 -32%
Save 12%
Age Old Grow, 1 gal
In stock
$43.01 $48.99 -12%
Save 12%
Age Old Bloom, 1 gal
In stock
$43.01 $48.99 -12%
Save 12%
Age Old Kelp, 1 gal
In stock
$43.01 $48.99 -12%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In stock
$42.92 $62.93 -32%
Save 16%
Xtreme Gardening Azos Root Booster | 12oz
In stock
$42.86 $51.15 -16%
Gaia Green All Purpose, 10 kg
In stock
$42.75 $56.10 -24%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In stock
$42.74 $58.99 -28%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal
In stock
$42.13 $53.99 -22%
Nectar for The Gods Persephone's Palate | 1gal
In stock
$42.13 $53.99 -22%
Save 14%
Roots Organics Ancient Amber | 1gal
In stock
$42.12 $48.99 -14%
Big Foot Mycorrhizae Gold | 8oz
In stock
$41.83 $65.79 -36%
Save 15%
Grotek Precision Grow, 10 L
In stock
$41.56 $48.99 -15%
Save 15%
Grotek Precision Bloom, 10 L
In stock
$41.56 $48.99 -15%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 32oz - Active Ingredient : Azospirillum brasilense - Great for Fruits, Veggies, Flowers, Shrubs, Turf and ...
In stock
$41.54 $54.59 -24%
Grotek Pro-Silicate 0-0-4 | 4L
In stock
$41.12 $53.99 -24%
Roots Organics Terp Tea Bloom, 9 lb
In stock
$40.99 $53.99 -24%
Roots Organics Terp Tea Grow, 9 lb
In stock
$40.99 $53.99 -24%
Mad Farmer Cal+Mag, 1 gal
In stock
$40.79 $53.71 -24%
Save 11%
Technaflora Recipe For Success Starter Kit
In stock
$40.77 $45.99 -11%
Grotek Blossom Blaster, 130 g
In stock
$40.64 $70.66 -42%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal
In stock
$40.64 $53.55 -24%
Save 19%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$40.53 $49.99 -19%
Grotek Blossom Blaster 1-4-0 | 130g
In stock
$40.52 $74.29 -45%
Technaflora B.C. Boost, 4 L
In stock
$40.41 $52.99 -24%
Save 12%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In stock
$40.32 $45.99 -12%
Nectar for the Gods Persephone's Palate, 1 gal
In stock
$40.24 $58.49 -31%
Save 12%
Royal Gold Crown Jewels Bloom 1-4-2, 10 lb
In stock
$40.22 $45.79 -12%
Save 12%
Royal Gold Crown Jewels Grow 3-2-2, 10 lb
Out of stock
$40.22 $45.79 -12%
Save 18%
HDI MotherPlant Nutrients Part A | 1gal
In stock
$40.17 $49.07 -18%
Save 18%
HDI MotherPlant Nutrients Part B | 1gal
In stock
$40.17 $49.07 -18%
BioAg Ful-Power®, 1 gal
In stock
$40.12 $52.99 -24%
BioAg Ful-Power®, 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$40.12 $52.99 -24%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In stock
$39.99
DaKine 420 Atomic Root Powder | 500g
In stock
$39.94 $74.99 -47%
Remo Micro, 4 L
In stock
$39.85 $52.99 -25%
Remo Magnifical, 4 L
In stock
$39.85 $52.99 -25%
Remo VeloKelp, 1 L
In stock
$39.85 $49.99 -20%
HDI Europonic FossilFuel Liquid Humic Acids | 1gal
Out of stock
$39.79 $54.99 -28%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In stock
$39.76 $54.99 -28%
Save 19%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed
In stock
$39.69 $48.99 -19%
Save 16%
Grotek Pro-Silicate, 4 L
In stock
$39.63 $46.99 -16%
Roots Organics Rain, 1 qt
In stock
$39.59 $52.15 -24%
Athena's Aminas, 1 gal
In stock
$39.34 $51.99 -24%
Hygeia's Hydration, 1 gal
Out of stock
$39.34 $51.99 -24%
Medusa's Magic, 1 gal
In stock
$39.34 $51.99 -24%
Mega Morpheus, 1 gal
In stock
$39.34 $51.99 -24%
Pegasus Potion, 1 gal
In stock
$39.34 $51.99 -24%
The Kraken, 1 gal
In stock
$39.34 $51.99 -24%
Save 18%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In stock
$39.32 $48.02 -18%
BioAG VAM Endo-Mix | 300g
In stock
$39.27 $51.78 -24%
Down to Earth Starter Mix 3-3-3 | 50lb - OMRI Listed
In stock
$38.96 $102.29 -62%
Save 19%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed
In stock
$38.94 $47.99 -19%
Save 16%
Grotek Monster Bloom, 500 g
In stock
$38.79 $45.99 -16%
Save 16%
Grotek Monster Grow Pro, 500 g
In stock
$38.79 $45.99 -16%
GH General Organics BioBud Quart (Case of 12)
In stock
$38.65 $52.35 -26%
Save 14%
Roots Organics Terp Tea Grow | 9lb
In stock
$38.64 $44.99 -14%
FoxFarm Cultivation Nation® pH DOWN, 1 pint, case of 12
In stock
$38.64 $144.40 -73%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz
In stock
$38.34 $58.09 -34%
Growth Science Nutrients Rock Solid, 1 gal
In stock
$38.23 $74.99 -49%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In stock
$38.18 $51.99 -27%
Save 17%
Primordial Solutions Rootamentary, 16 oz
In stock
$38.05 $45.99 -17%
Save 12%
Roots Organics Terp Tea Bloom | 9lb
In stock
$38.04 $42.99 -12%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
Out of stock
$37.88 $48.99 -23%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal
In stock
$37.88 $48.99 -23%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal
In stock
$37.88 $48.99 -23%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal
In stock
$37.88 $48.99 -23%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 1gal
In stock
$37.88 $48.99 -23%
Save 18%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal
In stock
$37.85 $46.24 -18%
Save 18%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal
In stock
$37.85 $46.24 -18%
Save 18%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal
In stock
$37.85 $46.24 -18%
Save 18%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal
In stock
$37.85 $46.24 -18%
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