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.
Categories
* Lamps / Tubes / Bulbs ++ (520)
* Lighting Systems ++ (1112)
! Nutrients & Supplements (4232)
* Composters & Compost Tea Brewing (38)
* Organic Gardening (551)
* Leaf Shines & Washes (121)
* Pest & Disease Control (495)
* Cloning & Propagation (409)
* Grow Systems ++ (618)
* Meters, Timers & Instruments ++ (702)
* Pots / Containers (921)
* Pumps, Irrigation & Watering Supplies ++ (1478)
* Grow Media (559)
* Plant Seeds (10)
* Environmental Control ++ (1953)
* Greenhouses (90)
* Grow Rooms / Tents (148)
* Reflective / B&W Films (130)
* Garden Accessories ++ (833)
* Hand Tools ++ (518)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
Ideal-Air Flange Kit 12 in (10/Cs)
736363
Ideal-Air Flange Kit 12 in (10/Cs)
$14.82
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 18 guests and 
4 logged in customers 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 401 to 420 (of 4232 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 
 Grow More Mendocino Avalanche, 2.5 gal   GrowMore   Grow More Mendocino Avalanche, 2.5 gal 
Flower hardener specially developed and field tested in the Emerald Triangle of Humboldt, Mendocino and Trinity Counties in Northern California. Helps stimulate flower development in the final bloom stage, for an increase in the size and mass of flowers. Fortified with Norwegian kelp extract, which supplies organic carbon, amino acids and carbohydrates for use on most flowering pla... — Ships separately from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR17502   $98.95 
 Grow More Mendocino Honey, 1 qt   GrowMore   Grow More Mendocino Honey, 1 qt 
Natural organic honey plus Montmorillinite, a source of over 70 trace elements. A naturally sweet carbohydrate plus organic carbon to stimulate growth. When used in a hydroponic system, it supplies a valuable source of organic carbon & carbohydrates. Increases brix levels resulting in a sweeter taste and aroma. Recommended for plants grown in soil, soilless mixes or hydroponic syst... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR17538   $9.87 
 Grow More Mendocino Honey, 1gal   GrowMore   Grow More Mendocino Honey, 1gal 
Natural organic honey plus Montmorillinite, a source of over 70 trace elements. A naturally sweet carbohydrate plus organic carbon to stimulate growth. When used in a hydroponic system, it supplies a valuable source of organic carbon & carbohydrates. Increases brix levels resulting in a sweeter taste and aroma. Recommended for plants grown in soil, soilless mixes or hydroponic syst... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR17537   $22.01 
 Grow More Mendocino Honey, 2.5 gal   GrowMore   Grow More Mendocino Honey, 2.5 gal 
Natural organic honey plus Montmorillinite, a source of over 70 trace elements. A naturally sweet carbohydrate plus organic carbon to stimulate growth. When used in a hydroponic system, it supplies a valuable source of organic carbon & carbohydrates. Increases brix levels resulting in a sweeter taste and aroma. Recommended for plants grown in soil, soilless mixes or hydroponic syst... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR17540   $50.52 
 Grow More Sea Grow All Purpose, 1.5 lbs   GrowMore   Grow More Sea Grow All Purpose, 1.5 lbs 
A hybrid blend of botanical seaweed extract, blood meal, organic carbon, amino acids, carbohydrates, primary N-P-K plant foods, yucca extract and micronutrients. Bio-stimulant effect from seaweed promotes vigorous growth, better quality fruits and abundant blooms with better keeping and storage qualities. Recommended for indoor or outdoor growing situations, container plants or fie... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR26090   $7.05 
 Grow More Sea Grow Flower and Bloom, 5 lb   GrowMore   Grow More Sea Grow Flower and Bloom, 5 lb 
A hybrid blend of botanical seaweed extract, blood meal, organic carbon, amino acids, carbohydrates, primary N-P-K plant foods, yucca extract and micronutrients. Bio-stimulant effect from seaweed promotes vigorous growth, better quality fruits and abundant blooms with better keeping and storage qualities. Recommended for indoor or outdoor growing situations, container plants or fie... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GR26092   $14.87 
 Grow Natural 16 oz.   Humboldt Nutrients   Grow Natural 16 oz. 
Humboldt Nutrients Grow Natural 16 oz. (HNOG404)Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed during the vegetation and flowering period. Used in conjunction with Bloom Natural and DeuceDeuce, Grow Natural wi... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNOG404   $11.12 
 Growilla Bud, 12 lbs   Botanicare   Growilla Bud, 12 lbs 
Organic made easy. Introducing Growilla Veg & Bud, the simple to use natural and organic plant food developed for farmers by farmers. This premium plant food is hand mixed in small batches with a potent combination of seabird and bat guanos, earthworm castings, fish meal, and other natural inputs to provide a wide range of organic food sources for plants and beneficial micro... — Ships separately from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-BCNGBUD12   $40.82 
 Happy Frog All Purpose Fertilizer, 18 lbs.   FoxFarm   Happy Frog All Purpose Fertilizer, 18 lbs. 
FoxFarm Happy Frog All Purpose Fertilizer, 18 lbs. (FX14073)Support healthy growth all season long with FoxFarm's Happy Frog® All-Purpose blend. It's pH-balanced with premium organic ingredients like feather meal, fish meal, bat guano, and humic acid, a naturally occurring organic material that is formed when organic matter decomposes. Humic acid helps with seed germination and... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-FX14073   $26.12 
 Happy Frog H/Phos Bat Guano, 4 lbs.   FoxFarm   Happy Frog H/Phos Bat Guano, 4 lbs. 
FoxFarm Happy Frog H/Phos Bat Guano, 4 lbs. (FX14056)Our high phosphorus bat guano is perfect for gardeners who want the extra strength of this single, powerful ingredient. Because of the long aging process that this product goes through, our bat guano is packed with phosphorus to deliver spectacular flowers, sweeter fruit, and multiple bud development. Bat guano has been known sin... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-FX14056   $11.83 
 Happy Frog Tomato & Vegetable Fertilizer, 18 lbs.   FoxFarm   Happy Frog Tomato & Vegetable Fertilizer, 18 lbs. 
FoxFarm Happy Frog Tomato & Vegetable Fertilizer, 18 lbs. (FX14051)Before you can bring a great meal to your table, you need to bring a great meal to your garden. Tomatoes, soft fruits, and veggies require a special nutritional mix to ensure high yields. FoxFarm's Tomato & Vegetable formula is pH-balanced with premium organic ingredients like bat guano, kelp meal, alfalfa meal, fis... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-FX14051   $28.74 
 Honey Hydro Carbs 5 gal.   Humboldt Nutrients   Honey Hydro Carbs 5 gal. 
Humboldt Nutrients Honey Hydro Carbs 5 gal. (HNHH420)Humboldt Honey Hydro Carbs is an excellent source of carbohydrates for all plants. It promotes and facilitates the growth of beneficial bacteria and fungi in your soil or soil-less media, and dramatically enhances the quality of any plant's fruit. Hydro Carbs are the fuel of the microscopic world, supplying the energy needed to d... — LTL Shipping Required — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHH420   $96.49 
 Honey Organic ES 1 gal.   Humboldt Nutrients   Honey Organic ES 1 gal. 
Humboldt Nutrients Honey Organic ES 1 gal. (HNHHO410)Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish, this carb source is as unique, as it is strong. The ES means Extra Strength. It increases brix levels by providing sugars to beneficial bacteria, fungi, and your plants. Just as the human body ho... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHHO410   $47.78 
 Hum-bolt humic 1 gal.   Humboldt Nutrients   Hum-bolt humic 1 gal. 
Humboldt Nutrients Hum-bolt humic 1 gal. (HNH410)Liquid Humic Concentrate HUM-BOLT HUM-BOLT is a 8% Humic Acid derived from premium Leonardite, extracted from a mine known to produce the highest quality shale. Humic acid promotes high ion exchange capabilities, stimulates plant enzymes, increases beneficial organisms and acts as an organic cata... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNH410   $39.42 
 Hum-bolt humic 16 oz.   Humboldt Nutrients   Hum-bolt humic 16 oz. 
Humboldt Nutrients Hum-bolt humic 16 oz. (HNH404)Liquid Humic Concentrate HUM-BOLT HUM-BOLT is a 8% Humic Acid derived from premium Leonardite, extracted from a mine known to produce the highest quality shale. Humic acid promotes high ion exchange capabilities, stimulates plant enzymes, increases bene... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNH404   $7.41 
 Humboldt Roots 125 ml.   Humboldt Nutrients   Humboldt Roots 125 ml. 
Humboldt Nutrients Humboldt Roots 125 ml. (HNHR400)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant's metabolism rates, and plant ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHR400   $27.22 
 Humboldt Roots 250 ml.   Humboldt Nutrients   Humboldt Roots 250 ml. 
Humboldt Nutrients Humboldt Roots 250 ml. (HNHR410)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant's metabolism rates, and plant ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHR410   $45.36 
 Humboldt Roots 50 ml.   Humboldt Nutrients   Humboldt Roots 50 ml. 
Humboldt Nutrients Humboldt Roots 50 ml. (HNHR401)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant's metabolism rates, and plant m... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHR401   $14.26 
 Hydro Deuce 5 Gallon (Special Order)   Humboldt Nutrients   Hydro Deuce 5 Gallon (Special Order) 
Humboldt Nutrients Hydro Deuce 5 Gal (HNHD420)Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The high quality potassium used in our Deuce Deuce is now formulated in a lower viscosity (thickness) allowing this award winning formula to function without issue in your pumps and reservoirs.Potassium is the great equalizer in plants, ensuri... — LTL Shipping Required — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHD420   $202.77 
 Hydro-Spice Grow, 5 lbs.   Earth Juice   Hydro-Spice Grow, 5 lbs. 
Hydro Organics / Earth Juice Hydro-Spice Grow, 5 lbs. (HOH37404)Earth Juice® Hydro-SpiceTM Grow Two proprietary dry-blends from the experts at Hydro-Organics, designed for hydroponics. The formulas contain an array of specifically selected natural plant food ingredients, mycorrhzae and humic acid, that only need to be applied once during both the vegetative and flowering phas... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOH37404   $17.07 
Displaying 401 to 420 (of 4232 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
Simple CO2 Tubing Hanger
The perfect product for arranging my co2 tubing. Took me les ..
5 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

ECOPLUS™ 1/2IN TUB OUTLET FITTING  (10/BAG)
ECOPLUS™ 1/2IN TUB OUTLET FITTING (10/BAG)
$14.20
$13.00
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)
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)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
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)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/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)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
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)
Flora Bloom Quart
Flora Bloom Quart
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
Bestsellers
01.Primal Harvest Powder 0-12-1, 50lbs.
02.Nutrient Trio-Soil Formula, 3 qts
03.Primal Harvest 2lb (16/cs)
04.Rainbow Mix Bloom 40lb
05.White Widow 1lb
06.Dyna-Gro Pro-TeKt 1 gal
07.Go Box Starter Kit
08.Magnum, 2.5 gal
09.Orca 16 Oz.
10.SUPERthrive, 1 qt
11.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
12.Tiger Bloom Liquid Concentrate 1 pt
13.B'Cuzz Root, 32 oz
14.Earth Juice Godsilica, 1 qt
15.B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
Rotating 480

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

Google Trusted Store 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
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 — 2015 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order