Horticulture Source   Lowest prices guaranteed: We beat and match prices!

Shop 14,300+ Horticultural, Organic & Hydroponics items!

  Contact Us Download vCard    Follow us on Twitter Our Facebook Profile Our MySpace Profile
 
  Search: Quick Find  
Help [?] Phrase Advanced Search
 
Bookmark and Share
 
Secure   My Account   Cart Contents   Checkout  
  Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Nutrients & Supplements   Mobile   Secure |  My Account | Cart Contents | Checkout )
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Categories
* Lamps / Tubes / Bulbs ++ (546)
* Lighting Systems ++ (1152)
! Nutrients & Supplements (3845)
* Composters & Compost Tea Brewing (34)
* Organic Gardening (465)
* Leaf Shines & Washes (104)
* Pest & Disease Control (502)
* Cloning & Propagation (360)
* Grow Systems ++ (648)
* Meters, Timers & Instruments ++ (692)
* Pots / Containers (882)
* Pumps, Irrigation & Watering Supplies ++ (1405)
* Grow Media (544)
* Plant Seeds (10)
* Environmental Control ++ (1938)
* Greenhouses (82)
* Grow Rooms / Tents (128)
* Reflective / B&W Films (120)
* Garden Accessories ++ (697)
* Hand Tools ++ (513)
* Gardening Books & DVDs (57)
* Growing Apparel (3)
* Aquaculture / Aquarium / Reef Tank / Marine ++ (2)
Manufacturers more
What's New? more
Sun Hut S Hook 16 mm/.63 in 5/Bag
706598
Sun Hut S Hook 16 mm/.63 in 5/Bag
$2.19
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 28 guests and 
1 logged in customer online.
Frequent search words
Ads

What do we have here?
Nutrients & Supplements: Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients

Show: 
What do we have here?
Displaying 461 to 480 (of 3845 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Supernatural Gro Aqua 12-5-13. 2.27 Kg   Supernatural Brand   Supernatural Gro Aqua 12-5-13. 2.27 Kg 
SUPERNATURAL BRAND GRO AQUA 12-5-13. 2.27 kilos. For hydroponicly grown plants. Canadian products that utilizes the plant extract Allantoin and a pH buffering effect from chelated micronutients.... — Ships from Portland, Oregon USA Free Shipping when ordering $50 or more of qualifying items....more.
 HY566   $126.99 
 Supernatural Super Leach. 400g   Supernatural Brand   Supernatural Super Leach. 400g 
Supernatural Super Leach. 400g Use this product to rid the soil or rockwool of unwanted fertilizer deposits. Often times leaves that show nutrient deficiencies are because of toxic growing medium conditions.... — Ships from Portland, Oregon USA...more.
 HY593   $25.99 
 Sweet Grape Gallon   Botanicare   Sweet Grape Gallon 
Sweet - Grape The newest addition to the Botanicare Sweet family. Give your plants a Sweet Grape treat. MSRP: $64.95 ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 732386   $46.97 
 VermaPlex Black Sea Kelp 2.5 Gallon (2/Cs)      VermaPlex Black Sea Kelp 2.5 Gallon (2/Cs) 
VermaPlex Black Sea Kelp Black Sea Kelp provides nutrition in the form of a balanced blend of sea plant derived nutrients including: amino acids, humic acid, colloidal minerals and sea kelp extracts. Amino acids feed plants directly but more importantly, they feed beneficial microbes. Contains natural rooting hormones that improve root length, root mass a... This item is sold individually. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 724225   $69.11 
 VITA GROW LIQUID 'SUPER MICRO' QUART   Vita Grow   VITA GROW LIQUID 'SUPER MICRO' QUART 
VITA GROW LIQUID 'SUPER MICRO' QUART three part professional formula is the best. Vita Grow plant food is a proven nutrient with a great field record. Both the dry and liquid plant food are derived from the same formula, the only difference is that water has been added to one and not the other. This means that you can switch from one to another without any growth difference in t... — Ships from Portland, Oregon USA...more.
 HY427   $13.95 
 Vital Earth's Powdered Glacial Rock 44lb   Vital Earth's   Vital Earth's Powdered Glacial Rock 44lb 
Vital Earth's Powdered Glacial RockVital Earth's Powdered Glacial Rock 44lb (723500)Vital Earth's® Powdered Glacial Rock includes a wide variety of rocks containing a spectrum of trace materials that are collected and pulverized by the expansion/contraction of the glaciers. This product replaces key soil elements, reversing soil depletion. An excellent source of readily availab... — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 723500   $21.52 
 Voodoo Juice. 500 ml.   Advanced Nutrients   Voodoo Juice. 500 ml. 
100% Organic. Advanced Nutrients Voodoo Juice contains 5 strains of beneficial bacteria (every liter contains 50 billion microbes) that colonize the plant's root system facilitating the conversion of nutrients. Nutrients are converted to forms that become bio-available to the plants while also stimulating explosive root growth. Plants are better able to acquire vital nutrients and ... — Ships from Portland, Oregon USA...more.
 FE731   $77.65 
 Water Conditioner. 1 Quart   Vita Grow   Water Conditioner. 1 Quart 
Vita Grow Water Conditioner1 Quart.Add 1/3 to 1/2 tsp. to 1 gallon water and then add fertilizer. Helpful hints at the info button. Great stuff. Really makes plants grow! A must for any water source!!All water should be treated with this product. It makes the plants grow so much better. The secret is in its ability to chelate the minerals in your water and plant food and reduce har... — Ships from Portland, Oregon USA...more.
 SA445   $64.87 
 ZHO ROOT INOCULANT 1/4LB   Botanicare   ZHO ROOT INOCULANT 1/4LB 
ZHO - Root Inoculant Zho is a unique and proprietary blend of fungi that builds a natural microbial system in and around plant roots. Beneficial fungi like mycorrhizae and trichoderma colonize on and around plants roots forming a symbiotic relationship with the plants and help increase the root mass by up to 1000 times thereby allowing more efficient nutrient and water uptake by t... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 732316   $20.13 
 AH DARK ENERGY™ 2-0-0 - GALLON (4/CASE)   American Hydroponics   AH DARK ENERGY™ 2-0-0 - GALLON (4/CASE) 
Dark Energy DARK ENERGY GALLON (4/CASE) A nutrient additive - unique blend of l-amino acids, vitamins & bio-nutrients.HYDROPONIC USE / SOIL USE / FOLIAR SPRAYSignificantly shorten the time to harvest.Increase yields.Improve overall plant vigor.Reduce stress.Highly concentrated - can be used for any fertilizing program.Compatible with systemic programs.Helps plants absorb ... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 732420   $116.73 
 AH SUPER CHARGER™ .35OZ  - 12 CAPSULES EACH PACK (12 PACKS/CASE)   American Hydroponics   AH SUPER CHARGER™ .35OZ - 12 CAPSULES EACH PACK (12 PACKS/CASE) 
Super Charger By American Hydroponics SUPER CHARGER (12/CASE) Super Charger is the result of many years of evaluation and research regarding how vitamins, antioxidants, minerals and peptides synergistically respond to one another affecting the biomechanics of plant performance. Even when plants are provided sufficient N-P-K, this does not guarantee ultimate plant performance... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 732950   $15.24 
 AI ROOTS ORGANICS SOUL SYNTHETICS BIG SWELL 2-5-3 - GALLON (4/CASE)   Aurora Innovations   AI ROOTS ORGANICS SOUL SYNTHETICS BIG SWELL 2-5-3 - GALLON (4/CASE) 
Roots Soul Synthetics Big Swell 2 - 5 - 3 SOUL SYNTHETICS BIG SWELL GALLON 2-5-3 Soul Synthetics Big Swell bloom booster has been designed specifically to increase flower size, vigor, density, and quality. Our extensive hands-on research has resulted in a distinctive formula of botanical extracts, amino acids, and versatile carbohydrates combined with a specific ratio of readily... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715335   $100.65 
 AI ROOTS ORGANICS SOUL SYNTHETICS GROW 'N' 8-0-0 - QUART (12/CASE)   Aurora Innovations   AI ROOTS ORGANICS SOUL SYNTHETICS GROW 'N' 8-0-0 - QUART (12/CASE) 
AI ROOTS ORGANICS SOUL SYNTHETICS GROW 'N' 8-0-0 - QUART (12/CASE) (715310)Roots Soul Synthetics Grow-N 8 - 0 - 0 Soul Synthetics Grow-N nitrogen supplement was specifically crafted for the gardener that demands faster growth from super available high performance fertilizers. A deliberate blend of organic and synthetic nitrogen and calcium sources intentionally designed for maxi... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715310   $14.76 
 AI ROOTS ORGANICS SOUL SYNTHETICS INFINITY .5-2.5-1.5 - QUART (12/CASE)   Aurora Innovations   AI ROOTS ORGANICS SOUL SYNTHETICS INFINITY .5-2.5-1.5 - QUART (12/CASE) 
Roots Soul Synthetics Infinity .5 - 2.5 - 1.5 SOUL SYNTHETICS INFINITY QT .5-2.5-1.5 Soul Synthetics Infinity catalyst is a complex blend of powerful organic compounds combined with choice plant nutrition. Infinity is specially formulated to increase vigor and prevent micronutrient deficiencies common in fast growing and heavy feeding plants. With its proprietary blend of distinc... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715350   $18.79 
 AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 3 LB (6/CASE)   Aurora Innovations   AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 3 LB (6/CASE) 
Roots Organics Super Nitro Bat Guano 15.5 - 1 - 1 ROOTS SUPER NITROGEN BAT QUANO 3LB Roots Organics Super Nitro Bat Guano is incredibly high in Nitrogen and is extracted only from select caves when the quality is at its highest. Potent and powerful high nitrogen guano consciously extracted to not disturb the bat colonies but provide an unparalleled completely natural source of ni... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 720960   $20.13 
 AXIOM Harpin Proteins Growth Stimulator 3pc - .5g packets      AXIOM Harpin Proteins Growth Stimulator 3pc - .5g packets 
AXIOM Harpin Proteins are a Plant Health Promoter and Plant Growth Stimulator that activates a plant’s growth and defense genes resulting in improved plant growth, increased yield and quality, and greater shelf-life. Harpin Proteins are produced in nature by certain bacterial plant pathogens and plants develop receptors on their seeds, roots, and foliage to detect the presence of H... — Ships from Livermore, California USA...more.
 dl-RXAXM3X5G   $6.70 
 B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE)   Atami   B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE) 
B'Cuzz Foliar BCUZZ FOLIAR GALLON (4/CS) The very first OMRI certified foliar spray proven to enhance the performance of B'Cuzz® stimulators in all stages of plant development. The new B'Cuzz® Foliar contains all certified organic activators in one bottle (micronutrients, amino acids, cytokinins, vitamins, esters, carbons) and are instantly available whe... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 732068   $69.11  $37.70 
 Bat Guano Grow .75 lb   Earth Juice   Bat Guano Grow .75 lb 
Available Monday 04 August, 2014
Hydro Organics / Earth Juice Bat Guano Grow .75 lb (HOF01203)A tried and true fertilizer that has demonstrated to be a superior performing vegetative fertilizer. Very light and flowing and mixes easily with most growing media.   Manufacturer's Product Information ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HOF01203   $4.39 
 BioAg VAM 300 gm (12/Cs)   BioAg   BioAg VAM 300 gm (12/Cs) 
BioAg VAM VAM dramatically improves the surface area of your plant's root mass. This leads to increased nutrient and water adsorbing capabilities. VAM includes 7 specially selected species of endo mycorrhizae with a heavy dose of the very aggressive Glomus intraradices. Includes a myriad of ingredients to guarantee the vigor and proliferation of the fungi. Reduce transplant stress... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 719732   $14.27 
 BIOTHRIVE GROW GALLON (4/CASE)   General Hydroponics   BIOTHRIVE GROW GALLON (4/CASE) 
General Hydroponics Bio Thrive Grow 4-3-3 BioThrive Grow is pure, natural nutrition for plants grown in soil or soilless mediums. Its vegan formula facilitates lush vegetative growth and vigorous root development. It provides necessary organic elements needed for plant growth and strength in the vegetative stage. MSRP: $49.98... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 726802   $42.04 
Displaying 461 to 480 (of 3845 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Estimate Shipping Costs by adding a product to the cart.
Shop By Price
Reviews more
DRIP CAP 6" (125/CS)
A must for alge & i like the 4 feeders on the bottom but?? T ..
2 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

EYE HORTILUX™ SUPER HPS™ ENHANCED SPECTRUM LU430S/HTL/EN 430 WATT E-18 (12/CASE) - (528/SKID)
EYE HORTILUX™ SUPER HPS™ ENHANCED SPECTRUM LU430S/HTL/EN 430 WATT E-18 (12/CASE) - (528/SKID)
$64.05
$56.22
Most Viewed in Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
PURPLE MAXX 8 OZ
PURPLE MAXX 8 OZ
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
Flora Bloom Quart
Flora Bloom Quart
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE)
B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE)
Bestsellers
01.SUPERTHRIVE™ 4 OZ (12/CASE)
02.FLORA BLOOM GALLON
03.SUPERTHRIVE™ 2 OZ (24/CASE)
04.GHBB® FLORA MICRO™ GALLON (4/CASE)
05.GHBB® FLORA GRO™ GALLON (4/CASE)
06.BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
07.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
08.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
09.SUPERTHRIVE™ GALLON (4/CASE)
10.DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
11.Flora Bloom Quart
12.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
13.FOX FARM TIGER BLOOM® QUART (12/CASE)
14.GOLD SILICA 1 L/34OZ
15.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Merchant Services
HorticultureSource.com is an Upfront Merchant on TheFind. Click for info. Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2014 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order