Horticulture Source » Gardening & Hydroponics 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.
Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (529)
* Lighting Systems ++ (1132)
! Nutrients & Supplements (4328)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (542)
* Leaf Shines & Washes (98)
* Pest & Disease Control (568)
* Cloning & Propagation (445)
* Grow Systems ++ (590)
* Meters, Timers & Instruments ++ (672)
* Pots / Containers (1015)
* Pumps, Irrigation & Watering Supplies ++ (1630)
* Grow Media (569)
* Plant Seeds (21)
* Environmental Control ++ (1948)
* Greenhouses (89)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (141)
* Garden Accessories ++ (957)
* Hand Tools ++ (525)
* Gardening Books & DVDs (59)
* Growing Apparel & Bags (45)
Manufacturers more
What's New? more
- Grower's Edge Fiberglass Stake 7/16 in Diameter 6 ft (Bag of 10)
740506
- Grower's Edge Fiberglass Stake 7/16 in Diameter 6 ft (Bag of 10)
$28.64
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 19 guests online.
Frequent searches
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 1 to 20 (of 4328 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [Next >>] 
 Sort by Popularity+   Manufacturer   Product(s)   Model   Price   Buy Now 
 "M" 16 oz. (Case of 16)   Ecogrow   "M" 16 oz. (Case of 16) 
"M" 16 oz. (Case of 16) (eco-2023)Ecogrow Plant Nutrients Standard Ecogrow (10-8-14): Ideal for houseplants and gardens in soil or hydroponics. Perfect for tomatoes, cucumbers, houseplants and all temperature zone plants. Ecogrow "S" (15-7-12): For subtropical plants and flowers. With 5% more nitrogen, this product promotes lush foliage growth. Ecogrow "M" (20-6-12): The ?monste... — Ships from Seattle, Washington USA....more info.
 eco-2023   $83.69 
 "M" 8 oz. (Case of 24)   Ecogrow   "M" 8 oz. (Case of 24) 
"M" 8 oz. (Case of 24) (eco-2022)Ecogrow Plant Nutrients Standard Ecogrow (10-8-14): Ideal for houseplants and gardens in soil or hydroponics. Perfect for tomatoes, cucumbers, houseplants and all temperature zone plants. Ecogrow "S" (15-7-12): For subtropical plants and flowers. With 5% more nitrogen, this product promotes lush foliage growth. Ecogrow "M" (20-6-12): The ?monster... — Ships from Seattle, Washington USA....more info.
 eco-2022   $83.60 
 "S" 16 oz. (Case of 16)   Ecogrow   "S" 16 oz. (Case of 16) 
"S" 16 oz. (Case of 16) (eco-2015)Ecogrow Plant Nutrients Standard Ecogrow (10-8-14): Ideal for houseplants and gardens in soil or hydroponics. Perfect for tomatoes, cucumbers, houseplants and all temperature zone plants. Ecogrow "S" (15-7-12): For subtropical plants and flowers. With 5% more nitrogen, this product promotes lush foliage growth. Ecogrow "M" (20-6-12): The ?monste... — Ships from Seattle, Washington USA....more info.
 eco-2015   $83.69 
 "S" 8 oz. (Case of 24)   Ecogrow   "S" 8 oz. (Case of 24) 
"S" 8 oz. (Case of 24) (eco-2014)Ecogrow Plant Nutrients Standard Ecogrow (10-8-14): Ideal for houseplants and gardens in soil or hydroponics. Perfect for tomatoes, cucumbers, houseplants and all temperature zone plants. Ecogrow "S" (15-7-12): For subtropical plants and flowers. With 5% more nitrogen, this product promotes lush foliage growth. Ecogrow "M" (20-6-12): The ?monster... — Ships from Seattle, Washington USA....more info.
 eco-2014   $83.60 
 AI ROOTS ORGANICS NITROGEN BAT GUANO 9-3-1 - 9 LB (3/CASE)   Aurora Innovations   AI ROOTS ORGANICS NITROGEN BAT GUANO 9-3-1 - 9 LB (3/CASE) 
Roots Organics Nitro Bat Guano 9 - 3 - 1 ROOTS NITROGEN BAT GUANO 9LB Roots Organics Nitro Bat Guano is an excellent source of nitrogen, phosphorus, and calcium. Carefully processed and sifted to make it easy to work with, Roots Organics Nitro Bat Guano encourages vigorous growth and is fast acting for quick results. All of the Roots Organics guanos have been carefully sourced f... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 720945   $22.77 
 AI ROOTS ORGANICS PHOSPHATE BAT GUANO 0-7-0 - 9 LB (3/CASE)   Aurora Innovations   AI ROOTS ORGANICS PHOSPHATE BAT GUANO 0-7-0 - 9 LB (3/CASE) 
Roots Organics Phos Bat Guano 0 - 7 - 0 ROOTS PHOS BAT QUANO 9LB 0-7-0 Roots Organics Phos Bat Guano is an excellent source of phosphorus and calcium. Carefully processed and sifted to make it easy to work with, Roots Organics Phos Bat Guano encourages vigorous flowering and fruiting. All of the Roots Organics guanos have been carefully sourced for quality and harvested with bat ... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 720985   $18.98 
 AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 20 LB (2/CASE)   Aurora Innovations   AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 20 LB (2/CASE) 
Roots Organics Super Nitro Bat Guano 15.5 - 1 - 1 ROOTS SUPER NITROGEN BAT QUANO 20LB 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 n... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 720970   $86.25 
 AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 40 LB (1/CASE)   Aurora Innovations   AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 40 LB (1/CASE) 
Roots Organics Super Nitro Bat Guano 15.5 - 1 - 1 ROOTS SUPER NITROGEN BAT QUANO 40LB 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 n... This item is sold individually. — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 720975   $161.00 
 All Purpose GrowThruBloom  1/2lb   Blackjack   All Purpose GrowThruBloom 1/2lb 
Blackjack Soil Company offers this unique all purpose fertilizer to enhance both vegetative and bloom plant growth. The slow release of non-burning nutrients to the plant is the hallmark of this five star plant food. It safely fortifies soil to enhance the production of naturally occurring hormones manufactured by the plant without the use of added plant growth regulators. Its uniq... — Ships from Portland, Oregon USA....more info.
 FE650   $5.67 
 All Purpose GrowThruBloom 2lb   Blackjack   All Purpose GrowThruBloom 2lb 
Blackjack Soil Company offers this unique all purpose fertilizer to enhance both vegetative and bloom plant growth. The slow release of non-burning nutrients to the plant is the hallmark of this five star plant food. It safely fortifies soil to enhance the production of naturally occurring hormones manufactured by the plant without the use of added plant growth regulators. Its uniq... — Ships from Portland, Oregon USA....more info.
 FE651   $16.28 
 All Purpose GrowThruBloom 5lb   Blackjack   All Purpose GrowThruBloom 5lb 
Blackjack Soil Company offers this unique all purpose fertilizer to enhance both vegetative and bloom plant growth. The slow release of non-burning nutrients to the plant is the hallmark of this five star plant food. It safely fortifies soil to enhance the production of naturally occurring hormones manufactured by the plant without the use of added plant growth regulators. Its uniq... — Ships from Portland, Oregon USA....more info.
 FE652   $36.66 
 ANCIENT ORGANICS® BAT GUANO GROW™ 10-2-1 - 3 LB (9/CASE)   Earth Juice   ANCIENT ORGANICS® BAT GUANO GROW™ 10-2-1 - 3 LB (9/CASE) 
ANCIENT ORGANICS® BAT GUANO GROW™ 10-2-1 - 3 LB (9/CASE) (720267) Earth Juice® Bat Guano Grow™ Powder A natural-organic source of nitrogen fertilizers. To promote and sustain vegetative growth. Can be mixed into the soil prior to planting or used as a side dressing. Reapply every two weeks or when needed. Ideal for gardens, container plants, lawns and trees. Derived from centuri... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 720267   $11.12 
 Armor Si 16 oz (12/Case)   General Hydroponics   Armor Si 16 oz (12/Case) 
Armor Si is now available! Silica for Plant Growth Enhancement Armor Si ™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Armor Si improves plant structure and foliar development, increase... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 732800   $5.66 
 Armor Si 2.5 Gallon (2/Case)   General Hydroponics   Armor Si 2.5 Gallon (2/Case) 
Armor Si is now available! Silica for Plant Growth Enhancement Armor Si ™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Armor Si improves plant structure and foliar development, increase... This item is sold individually. — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 732806   $59.46 
 Armor Si 6 Gallon   General Hydroponics   Armor Si 6 Gallon 
Armor Si is now available! Silica for Plant Growth Enhancement Armor Si ™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Armor Si improves plant structure and foliar development, increase... — LTL Shipping Required. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 732808   $124.20 
 BC Bloom. 1 Liter   Technaflora   BC Bloom. 1 Liter 
B.C. Bloom - 1 ltr B.C. Bloom is a liquid fertilizer blend, which when used in conjunction with B.C. Boost, will provide essential elements to stimulate flower development and enhance reproductive growth. B.C. Bloom contains a full complement of micronutrients, which are bolstered by the added calcium and iron in B.C. Boost. Minimal pH drift is assured, eliminating the need for con... — Ships from Portland, Oregon USA....more info.
 HY374   $19.55 
 BCuzz Blossom Builder 3.38oz / 100ml (40/Cs)      BCuzz Blossom Builder 3.38oz / 100ml (40/Cs) 
B'Cuzz Blossom Builder B'cuzz Blossom Builder liquid will increase the size and mass of flowers. Specifically created for the final weeks of the blooming phase. It works as a finisher that will lead your flowers to strong, healthy look and a beautiful attractive final weight and aroma of your flowers. Is suitable for different typed of cultivation su... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 733430   $10.42 
 BCuzz Blossom Builder Quart / 946ml (12/Cs)      BCuzz Blossom Builder Quart / 946ml (12/Cs) 
B'Cuzz Blossom Builder B'cuzz Blossom Builder liquid will increase the size and mass of flowers. Specifically created for the final weeks of the blooming phase. It works as a finisher that will lead your flowers to strong, healthy look and a beautiful attractive final weight and aroma of your flowers. Is suitable for different typed of cultivation su... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 733440   $91.18 
 BCuzz Coco Nutrition A 1 Liter (12/Cs)      BCuzz Coco Nutrition A 1 Liter (12/Cs) 
B'Cuzz Coco Nutrition A & B (each sold separately) Coconut substrates are still very popular as a cultivation medium. Coconut has the buffering properties of soil and the accuracy of rock wool. This combination makes for healthy growing and blooming plants. Coco Nutrition A & B helps crops make better use of the coconut and also ensures a biological balance in the coconut substrat... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 733472   $10.19 
 BCuzz Coco Nutrition A 10 Liter      BCuzz Coco Nutrition A 10 Liter 
B'Cuzz Coco Nutrition A & B (each sold separately) Coconut substrates are still very popular as a cultivation medium. Coconut has the buffering properties of soil and the accuracy of rock wool. This combination makes for healthy growing and blooming plants. Coco Nutrition A & B helps crops make better use of the coconut and also ensures a biological balance in the coconut substrat... — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 733476   $65.84 
Displaying 1 to 20 (of 4328 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [Next >>] 
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
ECOPLUS™ COMMERICAL AIR 1 - 18 WATT SINGLE OUTLET
I bought this air pump to push air through 4 double micro po ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
Natural Armor Animal Repellent - Ready to Use Spray, Pint Mint Scent
Natural Armor Animal Repellent - Ready to Use Spray, Pint Mint Scent
$12.99
$11.69
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)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
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)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
Botanicare Cal-Mag Plus Quart (12/Cs)
Botanicare Cal-Mag Plus Quart (12/Cs)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
Bestsellers
01.Nutrient Trio-Soil Formula, 3 qts
02.Primal Harvest Powder 0-12-1, 50lbs.
03.Primal Harvest 2lb (16/cs)
04.Rainbow Mix Bloom 40lb
05.White Widow 1lb
06.Go Box Starter Kit
07.Grow More Water Soluble 0-50-30 25lb
08.RAW BLOOM, 10 lbs
09.Dirty Dozen Starter Kit
10.Earth Juice Godsilica, 1 qt
11.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
12.RAW MICROBES Grow Stage, 8 oz
13.Rock Phosphate 7.25 lb bag
14.Dyna-Gro Pro-TeKt 1 gal
15.FloraBloom 1 gal
Languages
English Deutsch Espańol
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
Ads
Global Tech LED Mammoth

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!  Proud Hydro for Hunger Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2016 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order